CAT28F102T14-70T datasheet(1/14 Pages) CATALYST

Part #	CAT28F102T14-70T

Description	1 Megabit CMOS Flash Memory

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Manufacturer	CATALYST [Catalyst Semiconductor]

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FEATURES

s Fast Read Access Time: 45/55/70/90 ns

s Low Power CMOS Dissipation:

–Active: 30 mA max (CMOS/TTL levels)

–Standby: 1 mA max (TTL levels)

–Standby: 100

µA max (CMOS levels)

s High Speed Programming:

–10

µs per byte

–1 Sec Typ Chip Program

s 0.5 Seconds Typical Chip-Erase

s 12.0V

± 5% Programming and Erase Voltage

s Commercial,Industrial and Automotive

Temperature Ranges

s 64K x 16 Word Organization

s Stop Timer for Program/Erase

s On-Chip Address and Data Latches

s JEDEC Standard Pinouts:

–40-pin DIP

–44-pin PLCC

–40-pin TSOP

s 100,000 Program/Erase Cycles

s 10 Year Data Retention

s Electronic Signature

CAT28F102

1 Megabit CMOS Flash Memory

DESCRIPTION

The CAT28F102 is a high speed 64K x 16-bit electrically

erasable and reprogrammable Flash memory ideally

suited for applications requiring in-system or after-sale

code updates. Electrical erasure of the full memory

contents is achieved typically within 0.5 second.

It is pin and Read timing compatible with standard

EPROM and E2PROM devices. Programming and Erase

are performed through an operation and verify algo-

rithm. The instructions are input via the I/O bus, using a

two write cycle scheme. Address and Data are latched

to free the I/O bus and address bus during the write

operation.

The CAT28F102 is manufactured using Catalyst’s ad-

vanced CMOS floating gate technology. It is designed to

endure 100,000 program/erase cycles and has a data

retention of 10 years. The device is available in JEDEC

approved 40-pin DIP, 44-pin PLCC, or 40-pin TSOP

packages.

BLOCK DIAGRAM

28F101-1

Licensed Intel

second source

Characteristics subject to change without notice

I/O0–I/O15

I/O BUFFERS

CE, OE LOGIC

SENSE

AMP

DATA

LATCH

ERASE VOLTAGE

SWITCH

PROGRAM VOLTAGE

SWITCH

COMMAND

REGISTER

CE

OE

WE

VOLTAGE VERIFY

SWITCH

Y-DECODER

X-DECODER

Y-GATING

1,048,576-BIT

MEMORY

ARRAY

A0–A15

Doc. No. 25038-0A 2/98 F-1

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CAT28F102T14-70T Datasheet(PDF) 1 Page - Catalyst Semiconductor

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