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CAT28C17AKA-20T Datasheet(PDF) 1 Page - Catalyst Semiconductor

No. de pieza CAT28C17AKA-20T
Descripción Electrónicos  16K-Bit CMOS PARALLEL E2PROM
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Fabricante Electrónico  CATALYST [Catalyst Semiconductor]
Página de inicio  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT28C17AKA-20T Datasheet(HTML) 1 Page - Catalyst Semiconductor

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CAT28C17A
16K-Bit CMOS PARALLEL E2PROM
FEATURES
s Fast Read Access Times: 200 ns
s Low Power CMOS Dissipation:
–Active: 25 mA Max.
–Standby: 100
µA 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
s End of Write Detection:
DATA
DATA
DATA
DATA
DATA Polling
–RDY/
BSY
BSY
BSY
BSY
BSY Pin
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
Temperature Ranges
DESCRIPTION
The CAT28C17A is a fast, low power, 5V-only CMOS
parallel E2PROM 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 VCC 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
ADDR. BUFFER
& LATCHES
ADDR. BUFFER
& LATCHES
INADVERTENT
WRITE
PROTECTION
CONTROL
LOGIC
TIMER
ROW
DECODER
COLUMN
DECODER
HIGH VOLTAGE
GENERATOR
A4–A10
CE
OE
WE
A0–A3
I/O0–I/O7
I/O BUFFERS
2,048 x 8
E2PROM
ARRAY
VCC
DATA POLLING
& RDY/BUSY
RDY/BUSY
5091 FHD F02
© 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 25034-00 2/98


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