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IS42S32400B-6BL 参数 Datasheet PDF下载

IS42S32400B-6BL图片预览
型号: IS42S32400B-6BL
PDF下载: 下载PDF文件 查看货源
内容描述: 4Meg ×32 128兆位同步DRAM [4Meg x 32 128-MBIT SYNCHRONOUS DRAM]
分类和应用: 存储内存集成电路动态存储器时钟
文件页数/大小: 60 页 / 625 K
品牌: ISSI [ INTEGRATED SILICON SOLUTION, INC ]
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IS42S32400B
4Meg x 32
128-MBIT SYNCHRONOUS DRAM
ISSI
®
PRELIMINARY INFORMATION
JUNE 2006
FEATURES
• Clock frequency: 166, 143, 125, 100 MHz
• Fully synchronous; all signals referenced to a
positive clock edge
• Internal bank for hiding row access/precharge
• Power supply
IS42S32400B
• LVTTL interface
• Programmable burst length
– (1, 2, 4, 8, full page)
• Programmable burst sequence:
Sequential/Interleave
• Auto Refresh (CBR)
• Self Refresh with programmable refresh periods
• 4096 refresh cycles every 64 ms
• Random column address every clock cycle
• Programmable
CAS
latency (2, 3 clocks)
• Burst read/write and burst read/single write
operations capability
• Burst termination by burst stop and precharge
command
• Available in Industrial Temperature
• Available in 86-pin TSOP-II and 90-ball FBGA
• Available in Lead-free
V
DDQ
V
DD
3.3V 3.3V
OVERVIEW
ISSI
's 128Mb Synchronous DRAM achieves high-speed
data transfer using pipeline architecture. All inputs and
outputs signals refer to the rising edge of the clock
input.The 128Mb SDRAM is organized in 1Meg x 32 bit x 4
Banks.
KEY TIMING PARAMETERS
Parameter
Clk Cycle Time
CAS
Latency = 3
CAS
Latency = 2
Clk Frequency
CAS
Latency = 3
CAS
Latency = 2
Access Time from Clock
CAS
Latency = 3
CAS
Latency = 2
-6
6
8
166
125
5.4
6.5
-7
7
10
143
100
5.4
6.5
Unit
ns
ns
Mhz
Mhz
ns
ns
Copyright © 2006 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any
time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are
advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products.
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
PRELIMINARY INFORMATION, Rev. 00G
06/15/06
1