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CAT25C17AL-20T

Description
16K-Bit CMOS PARALLEL E2PROM
File Size500KB,10 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
Download Datasheet View All

CAT25C17AL-20T Overview

16K-Bit CMOS PARALLEL E2PROM

CAT28C17A
16K-Bit CMOS PARALLEL EEPROM
FEATURES
Fast Read Access Times: 200 ns
Low Power CMOS Dissipation:
End of Write Detection:
H
GEN
FR
ALO
EE
LE
A
D
F
R
E
E
TM
–Active: 25 mA Max.
–Standby: 100
µ
A Max.
Simple Write Operation:
–DATA Polling
DATA
–RDY/BSY Pin
BSY
Hardware Write Protection
CMOS and TTL Compatible I/O
10,000 Program/Erase Cycles
10 Year Data Retention
Commercial,Industrial and Automotive
–On-Chip Address and Data Latches
–Self-Timed Write Cycle with Auto-Clear
Fast Write Cycle Time: 10ms Max
Temperature Ranges
DESCRIPTION
The CAT28C17A is a fast, low power, 5V-only CMOS
parallel EEPROM 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 and a RDY/BSY pin signal the start and
end of the self-timed write cycle. Additionally, the
CAT28C17A features hardware write protection.
The CAT28C17A 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 28-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
EEPROM
ARRAY
VCC
HIGH VOLTAGE
GENERATOR
CE
OE
WE
CONTROL
LOGIC
I/O BUFFERS
TIMER
DATA POLLING
& RDY/BUSY
I/O0–I/O7
A0–A3
ADDR. BUFFER
& LATCHES
COLUMN
DECODER
RDY/BUSY
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
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