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  • 北京元坤伟业科技有限公司

         该会员已使用本站17年以上

  • ATF16V8B-15PC
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  • -
  • QQ:857273081QQ:857273081 复制
    QQ:1594462451QQ:1594462451 复制
  • 010-62104931、62106431、62104891、62104791 QQ:857273081QQ:1594462451
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  • ATF16V8B-15PC图
  • 北京首天国际有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PC 现货库存
  • 数量5580 
  • 厂家 
  • 封装 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:528164397QQ:528164397 复制
    QQ:1318502189QQ:1318502189 复制
  • 010-62565447 QQ:528164397QQ:1318502189
  • ATF16V8B-15PC图
  • 深圳市芯脉实业有限公司

     该会员已使用本站11年以上
  • ATF16V8B-15PC 现货库存
  • 数量6980 
  • 厂家ATMEL 
  • 封装DIP 
  • 批号22+ 
  • 新到现货、一手货源、当天发货、bom配单
  • QQ:2881512844QQ:2881512844 复制
  • 075584507705 QQ:2881512844
  • ATF16V8B-15PC图
  • 深圳市欧立现代科技有限公司

     该会员已使用本站12年以上
  • ATF16V8B-15PC 现货库存
  • 数量5000 
  • 厂家ATMEL 
  • 封装DIP20 
  • 批号24+ 
  • 全新原装现货,低价出售,欢迎询购!
  • QQ:1950791264QQ:1950791264 复制
    QQ:2216987084QQ:2216987084 复制
  • 0755-83222787 QQ:1950791264QQ:2216987084
  • ATF16V8B-15PC图
  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • ATF16V8B-15PC 现货库存
  • 数量7000 
  • 厂家ATMEL 
  • 封装 
  • 批号24+ 
  • 原装有原厂证明,深圳有存货,北美、新加坡可发货
  • QQ:800888908QQ:800888908 复制
  • 755-83950019 QQ:800888908
  • ATF16V8B-15PC图
  • 深圳市芯脉实业有限公司

     该会员已使用本站11年以上
  • ATF16V8B-15PC 现货库存
  • 数量23480 
  • 厂家ATMEL 
  • 封装DIP20 
  • 批号22+ 
  • 新到现货、一手货源、当天发货、bom配单
  • QQ:1435424310QQ:1435424310 复制
  • 0755-84507451 QQ:1435424310
  • ATF16V8B-15PC图
  • 深圳市创永盛伟业电子有限公司

     该会员已使用本站11年以上
  • ATF16V8B-15PC 现货库存
  • 数量8800 
  • 厂家AT 特价欢迎订购 
  • 封装DIP 
  • 批号09+ 
  • 绝对原装现货价格优惠@@@@@@@
  • QQ:2881301286QQ:2881301286 复制
    QQ:2881301285QQ:2881301285 复制
  • 0755-83643681 QQ:2881301286QQ:2881301285
  • ATF16V8B-15PC图
  • 深圳市楷兴电子科技有限公司

     该会员已使用本站7年以上
  • ATF16V8B-15PC 现货库存
  • 数量89700 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP20 
  • 批号21+ 
  • 全新进口原装现货,代理渠道假一赔十
  • QQ:2881475151QQ:2881475151 复制
  • 0755-83016042 QQ:2881475151
  • ATF16V8B-15PC图
  • 深圳市卓越微芯电子有限公司

     该会员已使用本站12年以上
  • ATF16V8B-15PC 现货库存
  • 数量8500 
  • 厂家ATMEL 
  • 封装DIP20 
  • 批号20+ 
  • 百分百原装正品 真实公司现货库存 本公司只做原装 可开13%增值税发票,支持样品,欢迎来电咨询!
  • QQ:1437347957QQ:1437347957 复制
    QQ:1205045963QQ:1205045963 复制
  • 0755-82343089 QQ:1437347957QQ:1205045963
  • ATF16V8B-15PC图
  • 深圳市欧立现代科技有限公司

     该会员已使用本站12年以上
  • ATF16V8B-15PC 热卖库存
  • 数量19300 
  • 厂家ATMEL 
  • 封装DIP 
  • 批号24+ 
  • ★★专业IC现货,诚信经营,市场最优价★★
  • QQ:1950791264QQ:1950791264 复制
    QQ:2216987084QQ:2216987084 复制
  • 0755-83222787 QQ:1950791264QQ:2216987084
  • ATF16V8B-15PC图
  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PC
  • 数量12500 
  • 厂家ATMEL 
  • 封装DIP20 
  • 批号2023+ 
  • 绝对原装全新正品现货/优势渠道商、原盘原包原盒
  • QQ:364510898QQ:364510898 复制
    QQ:515102657QQ:515102657 复制
  • 0755-83777708“进口原装正品专供” QQ:364510898QQ:515102657
  • ATF16V8B-15PC图
  • 深圳市华斯顿电子科技有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PC
  • 数量12800 
  • 厂家ATMEL 
  • 封装 
  • 批号2023+ 
  • 绝对原装正品现货/优势渠道商、原盘原包原盒
  • QQ:1002316308QQ:1002316308 复制
    QQ:515102657QQ:515102657 复制
  • 深圳分公司0755-83777708“进口原装正品专供” QQ:1002316308QQ:515102657
  • ATF16V8B-15PC图
  • 深圳市华科泰电子商行

     该会员已使用本站13年以上
  • ATF16V8B-15PC
  • 数量9868 
  • 厂家ATMEL 
  • 封装DIP 
  • 批号06+ 
  • 绝对原装现货特价
  • QQ:405945546QQ:405945546 复制
    QQ:1439873477QQ:1439873477 复制
  • 0755-82567800 QQ:405945546QQ:1439873477
  • ATF16V8B-15PC图
  • 深圳市顺兴源微电子商行

     该会员已使用本站7年以上
  • ATF16V8B-15PC
  • 数量98960000 
  • 厂家ATMEL 
  • 封装DIP20 
  • 批号16+ 
  • 原装现货,低价出售
  • QQ:3475025894QQ:3475025894 复制
    QQ:3504055308QQ:3504055308 复制
  • 0755-82723655 QQ:3475025894QQ:3504055308
  • ATF16V8B-15PCS图
  • 北京首天国际有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PCS
  • 数量1689 
  • 厂家ATMEL 
  • 封装DIP-20 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:528164397QQ:528164397 复制
    QQ:1318502189QQ:1318502189 复制
  • 010-62565447 QQ:528164397QQ:1318502189
  • ATF16V8B-15PC图
  • 集好芯城

     该会员已使用本站13年以上
  • ATF16V8B-15PC
  • 数量12633 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP 
  • 批号最新批次 
  • 原装原厂 现货现卖
  • QQ:3008092965QQ:3008092965 复制
    QQ:3008092965QQ:3008092965 复制
  • 0755-83239307 QQ:3008092965QQ:3008092965
  • ATF16V8B-15PC/PI图
  • 北京中其伟业科技有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PC/PI
  • 数量9680 
  • 厂家ATMEL 
  • 封装 
  • 批号16+ 
  • 特价,原装正品,绝对公司现货库存,原装特价!
  • QQ:2880824479QQ:2880824479 复制
  • 010-62104891 QQ:2880824479
  • ATF16V8B-15PC图
  • 深圳市美思瑞电子科技有限公司

     该会员已使用本站12年以上
  • ATF16V8B-15PC
  • 数量12245 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP20 
  • 批号22+ 
  • 现货,原厂原装假一罚十!
  • QQ:2885659458QQ:2885659458 复制
    QQ:2885657384QQ:2885657384 复制
  • 0755-83952260 QQ:2885659458QQ:2885657384
  • ATF16V8B-15PC图
  • 深圳市捷立辉科技有限公司

     该会员已使用本站10年以上
  • ATF16V8B-15PC
  • 数量69896 
  • 厂家AT出售 
  • 封装DIP 
  • 批号21+ 
  • 绝对原装现货,公司真实库存
  • QQ:1803576909QQ:1803576909 复制
  • -0755-82792948 QQ:1803576909
  • ATF16V8B-15PC图
  • 深圳市得捷芯城科技有限公司

     该会员已使用本站11年以上
  • ATF16V8B-15PC
  • 数量79 
  • 厂家AT 
  • 封装NA/ 
  • 批号23+ 
  • 优势代理渠道,原装正品,可全系列订货开增值税票
  • QQ:3007977934QQ:3007977934 复制
    QQ:3007947087QQ:3007947087 复制
  • 0755-82546830 QQ:3007977934QQ:3007947087
  • ATF16V8B-15PC图
  • 上海熠富电子科技有限公司

     该会员已使用本站15年以上
  • ATF16V8B-15PC
  • 数量3000 
  • 厂家ATM 
  • 封装N/A 
  • 批号2024 
  • 上海原装现货库存,欢迎查询!
  • QQ:2719079875QQ:2719079875 复制
    QQ:2300949663QQ:2300949663 复制
  • 15821228847 QQ:2719079875QQ:2300949663
  • ATF16V8B-15PC图
  • 深圳市毅创腾电子科技有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PC
  • 数量717 
  • 厂家ATMEL 
  • 封装DIP20 
  • 批号22+ 
  • ★只做原装★正品现货★原盒原标★
  • QQ:2355507162QQ:2355507162 复制
    QQ:2355507165QQ:2355507165 复制
  • 86-755-83616256 QQ:2355507162QQ:2355507165
  • ATF16V8B-15PC图
  • 深圳市硅诺电子科技有限公司

     该会员已使用本站8年以上
  • ATF16V8B-15PC
  • 数量33592 
  • 厂家ATMEL 
  • 封装DIP20 
  • 批号17+ 
  • 原厂指定分销商,有意请来电或QQ洽谈
  • QQ:1091796029QQ:1091796029 复制
    QQ:916896414QQ:916896414 复制
  • 0755-82772151 QQ:1091796029QQ:916896414
  • ATF16V8B-15PC图
  • 深圳市晶美隆科技有限公司

     该会员已使用本站15年以上
  • ATF16V8B-15PC
  • 数量28000 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP20 
  • 批号24+ 
  • 假一罚十,原装进口正品现货供应,价格优势。
  • QQ:198857245QQ:198857245 复制
  • 0755-82865294 QQ:198857245
  • ATF16V8B-15PC图
  • 深圳市一呈科技有限公司

     该会员已使用本站9年以上
  • ATF16V8B-15PC
  • 数量3850 
  • 厂家Atmel(爱特梅尔) 
  • 封装原装原封REEL 
  • 批号23+ 
  • ▉原装现货▉可含税可订货
  • QQ:3003797048QQ:3003797048 复制
    QQ:3003797050QQ:3003797050 复制
  • 0755-82779553 QQ:3003797048QQ:3003797050
  • ATF16V8B-15PC图
  • 首天国际(深圳)科技有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PC
  • 数量92845 
  • 厂家ATMEL 
  • 封装OEM渠道,价格超越代理! 
  • 批号2024+ 
  • 百分百原装正品,现货库存
  • QQ:528164397QQ:528164397 复制
    QQ:1318502189QQ:1318502189 复制
  • 0755-82807802 QQ:528164397QQ:1318502189
  • ATF16V8B-15PC图
  • 北京杰创宏达电子有限公司

     该会员已使用本站12年以上
  • ATF16V8B-15PC
  • 数量2220 
  • 厂家ATMEL 
  • 封装原厂原装 
  • 批号2024+ 
  • 授权代理商
  • QQ:2355548602QQ:2355548602 复制
    QQ:2355548609QQ:2355548609 复制
  • 010-61190909 QQ:2355548602QQ:2355548609
  • ATF16V8B-15PC图
  • 北京顺科电子科技有限公司

     该会员已使用本站8年以上
  • ATF16V8B-15PC
  • 数量5500 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP 
  • 批号21+ 
  • 进口品牌//国产品牌代理商18911556207
  • QQ:729566152QQ:729566152 复制
    QQ:1138731127QQ:1138731127 复制
  • 18911556207 QQ:729566152QQ:1138731127
  • ATF16V8B-15PC图
  • 深圳市恒益昌科技有限公司

     该会员已使用本站6年以上
  • ATF16V8B-15PC
  • 数量3000 
  • 厂家N/A 
  • 封装NEW 
  • 批号23+ 
  • 全新原装正品现货
  • QQ:3336148967QQ:3336148967 复制
    QQ:974337758QQ:974337758 复制
  • 0755-82723761 QQ:3336148967QQ:974337758
  • ATF16V8B-15PC图
  • 深圳市恒达亿科技有限公司

     该会员已使用本站12年以上
  • ATF16V8B-15PC
  • 数量3200 
  • 厂家ATMEL 
  • 封装DIP 
  • 批号23+ 
  • 全新原装公司现货销售!
  • QQ:867789136QQ:867789136 复制
    QQ:1245773710QQ:1245773710 复制
  • 0755-82772189 QQ:867789136QQ:1245773710
  • ATF16V8B-15PC图
  • 深圳市芯脉实业有限公司

     该会员已使用本站11年以上
  • ATF16V8B-15PC
  • 数量6980 
  • 厂家ATMEL 
  • 封装DIP 
  • 批号22+ 
  • 新到现货、一手货源、当天发货、bom配单
  • QQ:2881512844QQ:2881512844 复制
  • 075584507705 QQ:2881512844
  • ATF16V8B-15PC图
  • 深圳市科庆电子有限公司

     该会员已使用本站16年以上
  • ATF16V8B-15PC
  • 数量2000 
  • 厂家AT 
  • 封装DIP 
  • 批号23+ 
  • 只做进口原装/到货/可含13%税
  • QQ:2850188252QQ:2850188252 复制
    QQ:2850188256QQ:2850188256 复制
  • 0755 QQ:2850188252QQ:2850188256
  • ATF16V8B-15PC【优势库存】图
  • 齐创科技(上海北京青岛)有限公司

     该会员已使用本站14年以上
  • ATF16V8B-15PC【优势库存】
  • 数量3500 
  • 厂家ATMEL代理 
  • 封装DIP-20 
  • 批号24+热销 
  • 热卖全新原装现货特价长期供应欢迎来电!
  • QQ:2394092314QQ:2394092314 复制
    QQ:792179102QQ:792179102 复制
  • 021-62153656 QQ:2394092314QQ:792179102
  • ATF16V8B-15PC图
  • HECC GROUP CO.,LIMITED

     该会员已使用本站17年以上
  • ATF16V8B-15PC
  • 数量600 
  • 厂家ATMEL 
  • 封装代理 
  • 批号24+ 
  • 原装假一赔十!可提供正规渠道证明!
  • QQ:3003818780QQ:3003818780 复制
    QQ:3003819484QQ:3003819484 复制
  • 0755-83950895 QQ:3003818780QQ:3003819484
  • ATF16V8B-15PC图
  • 深圳市晶美隆科技有限公司

     该会员已使用本站14年以上
  • ATF16V8B-15PC
  • 数量13850 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP 
  • 批号23+ 
  • 全新原装正品现货热卖
  • QQ:2885348317QQ:2885348317 复制
    QQ:2885348339QQ:2885348339 复制
  • 0755-83209630 QQ:2885348317QQ:2885348339
  • ATF16V8B-15PC图
  • 深圳市宏捷佳电子科技有限公司

     该会员已使用本站12年以上
  • ATF16V8B-15PC
  • 数量85211 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP 
  • 批号2023+ 
  • 原装/报价当天为准
  • QQ:2885134398QQ:2885134398 复制
    QQ:2885134554QQ:2885134554 复制
  • 0755-22669259 QQ:2885134398QQ:2885134554
  • ATF16V8B-15PC图
  • 深圳市三得电子有限公司

     该会员已使用本站15年以上
  • ATF16V8B-15PC
  • 数量35910 
  • 厂家ATME 
  • 封装DIP-20 
  • 批号2024 
  • 深圳原装现货库存,欢迎咨询合作
  • QQ:414322027QQ:414322027 复制
    QQ:565106636QQ:565106636 复制
  • 13509684848 QQ:414322027QQ:565106636
  • ATF16V8B-15PC图
  • 深圳市湘达电子有限公司

     该会员已使用本站10年以上
  • ATF16V8B-15PC
  • 数量2800 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP 
  • 批号20+ 
  • 绝对全新原装现货,欢迎来电查询
  • QQ:215672808QQ:215672808 复制
  • 0755-83229772 QQ:215672808
  • ATF16V8B-15PC图
  • 深圳市芯必得电子科技有限公司

     该会员已使用本站10年以上
  • ATF16V8B-15PC
  • 数量8500 
  • 厂家ATMEL/爱特梅尔 
  • 封装DIP 
  • 批号22+ 
  • 只做原装全系列供应可提供技术支持
  • QQ:2853778621QQ:2853778621 复制
  • 0755-82203002 QQ:2853778621
  • ATF16V8B-15PC图
  • 深圳市富科达科技有限公司

     该会员已使用本站13年以上
  • ATF16V8B-15PC
  • 数量28998 
  • 厂家ATMEL 
  • 封装DIP-20 
  • 批号2020+ 
  • 优势库存绝对原装现货特价热卖
  • QQ:1220223788QQ:1220223788 复制
    QQ:1327510916QQ:1327510916 复制
  • 86-0755-28767101 QQ:1220223788QQ:1327510916

产品型号ATF16V8B-15PC的概述

ATF16V8B-15PC 概述 ATF16V8B-15PC 是一种可编程逻辑器件,属于 Atmel(现为Microchip Technology)的 ATF16V8 系列。该系列包括多种可编程逻辑器件,具有灵活性高、性能优越和低功耗等特点。ATF16V8B-15PC 主要用于实现多种数字逻辑功能,如状态机、组合逻辑等,广泛应用于数字电路设计中。 该芯片的设计旨在替代传统的硬件逻辑电路,允许用户根据应用需求进行编程。通过定义不同的逻辑功能,ATF16V8B-15PC 可以在极小的封装体积内实现复杂的逻辑运算,具有较高的集成度和适应性。因此,ATF16V8B-15PC 常被用于新兴的电子设备中,如嵌入式系统、通信设备和消费电子产品。 详细参数 ATF16V8B-15PC 的一些关键参数如下: - 逻辑单元数量:16 - 输入引脚数量:至少 8 个(可基于设计再扩展) - 输出引脚数量:多...

产品型号ATF16V8B-15PC的Datasheet PDF文件预览

ATF16V8B  
Features  
Industry Standard Architecture  
Emulates Many 20-Pin PALs®  
Low Cost Easy-to-Use Software Tools  
High Speed Electrically Erasable Programmable Logic Devices  
7.5 ns Maximum Pin-to-Pin Delay  
Several Power Saving Options  
Device  
I
, Stand-By  
50 mA  
I
, Active  
CC  
CC  
ATF16V8B  
ATF16V8BQ  
ATF16V8BQL  
55 mA  
40 mA  
20 mA  
High  
Performance  
Flash PLD  
35 mA  
5 mA  
CMOS and TTL Compatible Inputs and Outputs  
Input and I/O Pull-Up Resistors  
Advanced Flash Technology  
Reprogrammable  
100% Tested  
High Reliability CMOS Process  
20 Year Data Retention  
100 Erase/Write Cycles  
2,000V ESD Protection  
200 mA Latchup Immunity  
Commercial, and Industrial Temperature Ranges  
Dual-in-Line and Surface Mount Packages in Standard Pinouts  
ATF16V8B  
Block Diagram  
Description  
The ATF16V8B is a high performance CMOS (Electrically Erasable) Programmable  
Logic Device (PLD) which utilizes Atmel’s proven electrically erasable Flash memory  
technology. Speeds down to 7.5 ns are offered. All speed ranges are specified over  
the full 5V ± 10% range for industrial temperature ranges, and 5V ± 5% for commercial  
temperature ranges.  
(continued)  
DIP/SOIC  
PLCC  
Pin Configurations  
Pin Name Function  
CLK  
I
Clock  
Logic Inputs  
Bidirectional Buffers  
Output Enable  
+5V Supply  
I/O  
OE  
VCC  
Top view  
0364C  
1-7  
The ATF16V8Bs incorporate a superset of the generic ar-  
chitectures, which allows direct replacement of the 16R8  
family and most 20-pin combinatorial PLDs. Eight outputs  
are each allocated eight product terms. Three different  
modes of operation, configured automatically with soft-  
ware, allow highly complex logic functions to be realized.  
Description (Continued)  
Several low power options allow selection of the best so-  
lution for various types of power-limited applications. Each  
of these options significantly reduces total system power  
and enhances system reliability.  
Absolute Maximum Ratings*  
*NOTICE: Stresses beyond those listed under “Absolute Maxi-  
mum Ratings” may cause permanent damage to the device.  
This is a stress rating only and functional operation of the  
device at these or any other conditions beyond those indi-  
cated in the operational sections of this specification is not  
implied. Exposure to absolute maximum rating conditions  
for extended periods may affect device reliability.  
Temperature Under Bias................. -55°C to +125°C  
Storage Temperature...................... -65°C to +150°C  
Voltage on Any Pin with  
(1)  
Respect to Ground.........................-2.0V to +7.0V  
Voltage on Input Pins  
with Respect to Ground  
During Programming.................... -2.0V to +14.0V  
Note:  
(1)  
1. Minimum voltage is -0.6V dc, which may undershoot to -2.0V  
for pulses of less than 20 ns. Maximum output pin voltage is  
VCC + 0.75V dc, which may overshoot to 7.0V for pulses of  
less than 20 ns.  
Programming Voltage with  
Respect to Ground.......................-2.0V to +14.0V  
(1)  
DC and AC Operating Conditions  
Commercial  
0°C - 70°C  
5V ± 5%  
Industrial  
-40°C - 85°C  
5V ± 10%  
Operating Temperature (Case)  
V
Power Supply  
CC  
1-8  
ATF16V8B  
ATF16V8B  
DC Characteristics  
Symbol Parameter  
Condition  
0 V  
V (MAX)  
IL  
Min Typ  
Max  
Units  
Input or I/O Low  
IN  
I
IL  
-35  
-100  
µA  
Leakage Current  
Input or I/O High  
Leakage Current  
I
3.5 V V  
CC  
10  
µA  
IH  
IN  
Com.  
Ind.  
55  
55  
50  
50  
35  
5
85  
95  
75  
80  
55  
10  
15  
mA  
mA  
B-7, -10  
Com.  
Ind.  
mA  
V
V
= MAX,  
= MAX,  
CC  
Power Supply Current,  
Standby  
B-15, -25  
BQ-10  
I
CC  
IN  
mA  
Outputs Open  
Com.  
Com.  
Ind.  
mA  
mA  
BQL-15, -25  
5
mA  
(2)  
(2)  
Com.  
Ind.  
1
mA/MHz  
mA/MHz  
mA  
Clocked Power Supply V = MAX,  
CC  
I
I
BQL-15, -25  
B-7, -10  
CC2  
Current  
Outputs Open  
1
Com.  
Ind.  
60  
60  
55  
55  
40  
20  
20  
90  
100  
85  
mA  
V
= MAX,  
CC  
Clocked Power Supply  
Current  
Outputs Open,  
f = 15 MHz  
Com.  
Ind.  
mA  
B-15, -25  
BQ-10  
CC3  
95  
mA  
Com.  
Com.  
Ind.  
55  
mA  
35  
mA  
BQL-15, -25  
40  
mA  
Output Short Circuit  
Current  
(1)  
OS  
I
V
= 0.5V  
-130  
0.8  
mA  
OUT  
V
V
Input Low Voltage  
Input High Voltage  
-0.5  
2.0  
V
V
IL  
V
+ 0.75  
IH  
CC  
V
V
= V or V ,  
I
= -24 mA  
IN  
IH  
IL  
OL  
V
V
Output High Voltage  
Output High Voltage  
0.5  
V
V
OL  
= MIN  
Com., Ind.  
CC  
V
V
= V or V ,  
IN  
IH  
IL  
I
= -4.0 mA  
2.4  
OH  
OH  
= MIN  
CC  
Notes: 1. Not more than one output at a time should be shorted. Duration of short circuit test should not exceed 30 sec.  
2. Low frequency only. See Supply Current versus Input Frequency curves.  
1-9  
AC Waveforms (1)  
Note: 1. Timing measurement reference is 1.5V. Input AC driving levels are 0.0V and 3.0V, unless otherwise specified.  
AC Characteristics (1)  
-7 (2)  
Min Max  
-10  
Max  
-15  
Max  
-25  
Symbol Parameter  
Min  
Min  
Min  
Max  
Units  
8 outputs  
switching  
3
7.5  
7
3
10  
3
15  
3
25  
ns  
Input or Feedback to  
Non-Registered Output  
t
PD  
1 output  
switching  
ns  
t
t
t
t
t
t
Clock to Feedback  
Clock to Output  
Input or Feedback Setup Time  
Hold Time  
3
5
6
7
8
10  
12  
ns  
ns  
ns  
ns  
ns  
ns  
CF  
CO  
S
2
5
0
8
4
2
7.5  
0
2
12  
0
10  
2
15  
0
H
Clock Period  
12  
6
16  
8
24  
12  
P
Clock Width  
W
External Feedback 1/(t +t  
)
100  
125  
125  
68  
74  
83  
45  
50  
62  
37 MHz  
40 MHz  
41 MHz  
S
CO  
F
MAX  
Internal Feedback 1/(t + t  
)
S
CF  
No Feedback 1/(t )  
P
Input to Output Enable —  
Product Term  
t
t
3
2
9
9
3
2
10  
10  
3
2
15  
15  
3
2
20  
20  
ns  
ns  
EA  
Input to Output Disable —  
Product Term  
ER  
t
t
OE pin to Output Enable  
OE pin to Output Disable  
2
6
6
2
10  
10  
2
15  
15  
2
20  
20  
ns  
ns  
PZX  
1.5  
1.5  
1.5  
1.5  
PXZ  
Notes: 1. See ordering information for valid part numbers and speed grades.  
2. Recommend ATF16V8C-7.  
1-10  
ATF16V8B  
ATF16V8B  
Input Test Waveforms and  
Measurement Levels:  
Output Test Loads:  
Commercial  
t , t < 5 ns (10% to 90%)  
R
F
Pin Capacitance (f = 1 MHz, T = 25°C) (1)  
Typ  
Max  
8
Units  
pF  
Conditions  
C
C
5
6
V
V
= 0V  
IN  
IN  
8
pF  
= 0V  
OUT  
OUT  
Note: 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.  
Power Up Reset  
The registers in the ATF16V8Bs are designed to reset dur-  
ing power up. At a point delayed slightly from V cross-  
CC  
ing V  
, all registers will be reset to the low state. As a  
RST  
result, the registered output state will always be high on  
power-up.  
This feature is critical for state machine initialization. How-  
ever, due to the asynchronous nature of reset and the un-  
certainty of how V actually rises in the system, the fol-  
CC  
lowing conditions are required:  
1) The V rise must be monotonic,  
CC  
Parameter Description  
Typ  
Max  
Units  
2) After reset occurs, all input and feedback setup times  
must be met before driving the clock pin high, and  
Power-Up  
Reset Time  
t
600  
1,000  
4.5  
ns  
PR  
3) The clock must remain stable during t  
.
PR  
Power-Up  
Reset  
V
RST  
3.8  
V
Voltage  
Preload of Registered Outputs  
The ATF16V8B’s registers are provided with circuitry to  
allow loading of each register with either a high or a low.  
This feature will simplify testing since any state can be  
forced into the registers to control test sequencing. A  
JEDEC file with preload is generated when a source file  
with vectors is compiled. Once downloaded, the JEDEC  
file preload sequence will be done automatically by most  
of the approved programmers after the programming.  
Security Fuse Usage  
A single fuse is provided to prevent unauthorized copying  
of the ATF16V8B fuse patterns. Once programmed, fuse  
verify and preload are inhibited. However, the 64-bit User  
Signature remains accessible.  
The security fuse should be programmed last, as its effect  
is immediate.  
1-11  
Electronic Signature Word  
Input and I/O Pull-Ups  
There are 64 bits of programmable memory that are al-  
ways available to the user, even if the device is secured.  
These bits can be used for user-specific data.  
All ATF16V8B family members have internal input and I/O  
pull-up resistors. Therefore, whenever inputs or I/Os are  
not being driven externally, they will float to V . This en-  
CC  
sures that all logic array inputs are at known states.  
These are relatively weak active pull-ups that can easily  
be overdriven by TTL-compatible drivers (see input and  
I/O diagrams below).  
Programming/Erasing  
Programming/erasing is performed using standard PLD  
programmers. See CMOS PLD Programming Hardware &  
Software Support for information on software/program-  
ming.  
Input Diagram  
I/O Diagram  
Functional Logic Diagram Description  
The Logic Option and Functional Diagrams describe the  
ATF16V8B architecture. Eight configurable macrocells  
can be configured as a registered output, combinatorial  
I/O, combinatorial output, or dedicated input.  
architectural subsets can be found in each of the configu-  
ration modes described in the following pages. The user  
can download the listed subset device JEDEC program-  
ming file to the PLD programmer, and the ATF16V8B can  
be configured to act like the chosen device. Check with  
your programmer manufacturer for this capability.  
The ATF16V8B can be configured in one of three different  
modes. Each mode makes the ATF16V8B look like a dif-  
ferent device. Most PLD compilers can choose the right  
mode automatically. The user can also force the selection  
by supplying the compiler with a mode selection. The de-  
termining factors would be the usage of register versus  
combinatorial outputs and dedicated outputs versus out-  
puts with output enable control.  
Unused product terms are automatically disabled by the  
compiler to decrease power consumption. A Security  
Fuse, when programmed, protects the content of the  
ATF16V8B. Eight bytes (64 fuses) of User Signature are  
accessible to the user for purposes such as storing project  
name, part number, revision, or date. The User Signature  
is accessible regardless of the state of the Security Fuse.  
The ATF16V8B universal architecture can be pro-  
grammed to emulate many 20-pin PAL devices. These  
Compiler Mode Selection  
Registered  
P16V8R  
Complex  
Simple  
Auto Select  
P16V8  
P16V8C  
P16V8AS  
G16V8AS  
GAL16V8_C8  
“Simple”  
ABEL, Atmel-ABEL  
CUPL  
G16V8MS  
GAL16V8_R  
“Registered”  
P16V8R  
G16V8MA  
GAL16V8_C7  
“Complex”  
P16V8C  
G16V8A  
GAL16V8  
GAL16V8A  
P16V8A  
(1)  
(1)  
(1)  
LOG/iC  
OrCAD-PLD  
PLDesigner  
Tango-PLD  
P16V8C  
G16V8R  
G16V8C  
G16V8AS  
G16V8  
Note: 1. Only applicable for version 3.4 or lower.  
1-12  
ATF16V8B  
ATF16V8B  
Macrocell Configuration  
Software compilers support the three different OMC  
modes as different device types. Most compilers have the  
ability to automatically select the device type, generally  
based on the register usage and output enable (OE) us-  
age. Register usage on the device forces the software to  
choose the registered mode. All combinatorial outputs  
with OE controlled by the product term will force the soft-  
ware to choose the complex mode. The software will  
choose the simple mode only when all outputs are dedi-  
cated combinatorial without OE control. The different de-  
vice types can be used to override the automatic device  
selection by the software. For further details, refer to the  
compiler software manuals.  
In registered mode pin 1 and pin 11 are permanently con-  
figured as clock and output enable, respectively. These  
pins cannot be configured as dedicated inputs in the reg-  
istered mode.  
In complex mode pin 1 and pin 11 become dedicated in-  
puts and use the feedback paths of pin 19 and pin 12 re-  
spectively. Because of this feedback path usage, pin 19  
and pin 12 do not have the feedback option in this mode.  
In simple mode all feedback paths of the output pins are  
routed via the adjacent pins. In doing so, the two inner  
most pins (pins 15 and 16) will not have the feedback op-  
tion as these pins are always configured as dedicated  
combinatorial output.  
When using compiler software to configure the device, the  
user must pay special attention to the following restrictions  
in each mode.  
ATF16V8B Registered Mode  
PAL Device Emulation / PAL Replacement  
sum term. When the macrocell is configured as an input,  
the output enable is permanently disabled.  
The registered mode is used if one or more registers are  
required. Each macrocell can be configured as either a  
registered or combinatorial output or I/O, or as an input.  
For a registered output or I/O, the output is enabled by the  
OE pin, and the register is clocked by the CLK pin. Eight  
product terms are allocated to the sum term. For a combi-  
natorial output or I/O, the output enable is controlled by a  
product term, and seven product terms are allocated to the  
Any register usage will make the compiler select this  
mode. The following registered devices can be emulated  
using this mode:  
16R8 16RP8  
16R6 16RP6  
16R4 16RP4  
Combinatorial Configuration for  
Registered Mode (1, 2)  
Registered Configuration  
for Registered Mode(1, 2)  
Notes:  
Notes:  
1. Pin 1 and Pin 11 are permanently configured as CLK and  
OE.  
2. The development software configures all the architecture  
control bits and checks for proper pin usage automatically.  
1. Pin 1 controls common CLK for the registered outputs.  
Pin 11 controls common OE for the registered outputs.  
Pin 1 and Pin 11 are permanently configured as CLK and OE.  
2. The development software configures all the architecture  
control bits and checks for proper pin usage automatically.  
1-13  
Registered Mode Logic Diagram  
1-14  
ATF16V8B  
ATF16V8B  
ATF16V8B Complex Mode  
PAL Device Emulation/PAL Replacement  
Combinatorial applications with an OE requirement will  
make the compiler select this mode. The following devices  
can be emulated using this mode:  
In the Complex Mode, combinatorial output and I/O func-  
tions are possible. Pins 1 and 11 are regular inputs to the  
array. Pins 13 through 18 have pin feedback paths back to  
the AND-array, which makes full I/O capability possible.  
Pins 12 and 19 (outermost macrocells) are outputs only.  
They do not have input capability. In this mode, each  
macrocell has seven product terms going to the sum term  
and one product term enabling the output.  
16L8  
16H8  
16P8  
Complex Mode Option  
ATF16V8B Simple Mode  
PAL Device Emulation / PAL Replacement  
The compiler selects this mode when all outputs are com-  
binatorial without OE control. The following simple PALs  
can be emulated using this mode:  
In the Simple Mode, 8 product terms are allocated to the  
sum term. Pins 15 and 16 (center macrocells) are perma-  
nently configured as combinatorial outputs. Other macro-  
cells can be either inputs or combinatorial outputs with pin  
feedback to the AND-array. Pins 1 and 11 are regular in-  
puts.  
10L8  
12L6  
14L4  
16L2  
10H8  
12H6  
14H4  
16H2  
10P8  
12P6  
14P4  
16P2  
Simple Mode Option  
1-15  
Complex Mode Logic Diagram  
1-16  
ATF16V8B  
ATF16V8B  
Simple Mode Logic Diagram  
1-17  
1-18  
ATF16V8B  
ATF16V8B  
Note: 1. All normalized values referenced to maximum specification in AC Characteristics in the data sheet.  
1-19  
1-20  
ATF16V8B  
ATF16V8B  
Ordering Information  
t
t
t
CO  
(ns)  
PD  
S
Ordering Code  
Package  
Operation Range  
(ns)  
(ns)  
(1)  
(1)  
(1)  
7.5  
5
5
ATF16V8B-7JC  
ATF16V8B-7PC  
ATF16V8B-7SC  
20J  
20P3  
20S  
Commercial  
(0°C to 70°C)  
10  
15  
25  
7.5  
12  
15  
7
ATF16V8B-10JC  
ATF16V8B-10PC  
ATF16V8B-10SC  
20J  
20P3  
20S  
Commercial  
(0°C to 70°C)  
ATF16V8B-10JI  
ATF16V8B-10PI  
ATF16V8B-10SI  
20J  
20P3  
20S  
Industrial  
(-40°C to 85°C)  
10  
12  
ATF16V8B-15JC  
ATF16V8B-15PC  
ATF16V8B-15SC  
20J  
20P3  
20S  
Commercial  
(0°C to 70°C)  
ATF16V8B-15JI  
ATF16V8B-15PI  
ATF16V8B-15SI  
20J  
20P3  
20S  
Industrial  
(-40°C to 85°C)  
ATF16V8B-25JC  
ATF16V8B-25PC  
ATF16V8B-25SC  
20J  
20P3  
20S  
Commercial  
(0°C to 70°C)  
ATF16V8B-25JI  
ATF16V8B-25PI  
ATF16V8B-25SI  
20J  
20P3  
20S  
Industrial  
(-40°C to 85°C)  
Note: 1. Recommend ATF16V8C-7.  
1-21  
Ordering Information  
t
t
t
CO  
(ns)  
PD  
S
Ordering Code  
Package  
Operation Range  
(ns)  
(ns)  
10  
7.5  
7
ATF16V8BQ-10JC  
ATF16V8BQ-10PC  
ATF16V8BQ-10SC  
20J  
20P3  
20S  
Commercial  
(0°C to 70°C)  
15  
25  
12  
15  
10  
12  
ATF16V8BQL-15JC  
ATF16V8BQL-15PC  
ATF16V8BQL-15SC  
20J  
20P3  
20S  
Commercial  
(0°C to 70°C)  
ATF16V8BQL-25JC  
ATF16V8BQL-25PC  
ATF16V8BQL-25SC  
20J  
20P3  
20S  
Commercial  
(0°C to 70°C)  
ATF16V8BQL-25JI  
ATF16V8BQL-25PI  
ATF16V8BQL-25SI  
20J  
20P3  
20S  
Industrial  
(-40°C to 85°C)  
Package Type  
20J  
20 Lead, Plastic J-Leaded Chip Carrier (PLCC)  
20P3  
20S  
20 Lead, 0.300" Wide, Plastic Dual Inline Package (PDIP)  
20 Lead, 0.300" Wide, Plastic Gull Wing Small Outline (SOIC)  
1-22  
ATF16V8B  
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