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CAT28C16AJ-20 参数 Datasheet PDF下载

CAT28C16AJ-20图片预览
型号: CAT28C16AJ-20
PDF下载: 下载PDF文件 查看货源
内容描述: 16K位CMOS并行E2PROM [16K-Bit CMOS PARALLEL E2PROM]
分类和应用: 存储内存集成电路光电二极管可编程只读存储器电动程控只读存储器电可擦编程只读存储器
文件页数/大小: 8 页 / 58 K
品牌: CATALYST [ CATALYST SEMICONDUCTOR ]
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CAT28C16A
16K-Bit CMOS PARALLEL E
2
PROM
FEATURES
s
Fast Read Access Times: 200 ns
s
Low Power CMOS Dissipation:
s
End of Write Detection:
DATA
Polling
s
Hardware Write Protection
s
CMOS and TTL Compatible I/O
s
10,000 Program/Erase Cycles
s
10 Year Data Retention
s
Commercial, Industrial and Automotive
–Active: 25 mA Max.
–Standby: 100
µ
A Max.
s
Simple Write Operation:
–On-Chip Address and Data Latches
–Self-Timed Write Cycle with Auto-Clear
s
Fast Write Cycle Time: 10ms Max
Temperature Ranges
DESCRIPTION
The CAT28C16A is a fast, low power, 5V-only CMOS
Parallel E
2
PROM organized as 2K x 8-bits. It requires a
simple interface for in-system programming. On-chip
address and data latches, self-timed write cycle with
auto-clear and V
CC
power up/down write protection
eliminate additional timing and protection hardware.
DATA
Polling signals the start and end of the self-timed
write cycle. Additionally, the CAT28C16A features hard-
ware write protection.
The CAT28C16A is manufactured using Catalyst’s ad-
vanced CMOS floating gate technology. It is designed to
endure 10,000 program/erase cycles and has a data
retention of 10 years. The device is available in JEDEC
approved 24-pin DIP and SOIC or 32-pin PLCC pack-
ages.
BLOCK DIAGRAM
A4–A10
ADDR. BUFFER
& LATCHES
INADVERTENT
WRITE
PROTECTION
ROW
DECODER
2,048 x 8
E
2
PROM
ARRAY
VCC
HIGH VOLTAGE
GENERATOR
CE
OE
WE
CONTROL
LOGIC
I/O BUFFERS
TIMER
DATA POLLING
I/O0–I/O7
A0–A3
ADDR. BUFFER
& LATCHES
COLUMN
DECODER
5089 FHD F02
© 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 25033-00 2/98