Datasheet > 存储 > EEPROM> CAT24WC128

CAT24WC128

更新时间： 2024-11-04 23:04:27

品牌	Logo	应用领域
CATALYST		可编程只读存储器
页数	文件大小	规格书
8页	46K
描述
128K-Bit I2C Serial CMOS E2PROM

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CAT24WC128 数据手册

Preliminary

CAT24WC128

128K-Bit I²C Serial CMOS E²PROM

FEATURES

■ 1MHz I²C Bus Compatible*

■ Write Protect Feature

– Entire Array Protected When WP at V_IH

■ 1.8 to 6 Volt Operation

■ 100,000 Program/Erase Cycles

■ 100 Year Data Retention

■ Low Power CMOS Technology

■ 64-Byte Page Write Buffer

■ 8-Pin DIP, 8-Pin SOIC or 14-pin TSSOP

■ Self-Timed Write Cycle with Auto-Clear

■ Commercial, Industrial and Automotive

Temperature Ranges

DESCRIPTION

The CAT24WC128 is a 128K-bit Serial CMOS E²PROM

internally organized as 16384 words of 8 bits each.

Catalyst’s advanced CMOS technology substantially

reduces device power requirements. The

CAT24WC128 featuresa64-bytepagewritebuffer.The

device operates via the I²C bus serial interface and is

available in 8-pin DIP, 8-pin SOIC or 14-pin TSSOP

packages.

BLOCK DIAGRAM

PIN CONFIGURATION

DIP Package (P)

EXTERNAL LOAD

TSSOP Package (U14)

SENSE AMPS

SHIFT REGISTERS

OUT

SCL

SDA

ACK

SCL

WORD ADDRESS

BUFFERS

COLUMN

DECODERS

SOIC Package (J,K)

512

START/STOP

SDA

LOGIC

SCL

SDA

E²PROM

256X512

XDEC

256

24WC128 F01

CONTROL

LOGIC

PIN FUNCTIONS

Pin Name

Function

DATA IN STORAGE

SDA

SCL

Serial Data/Address

Serial Clock

HIGH VOLTAGE/

TIMING CONTROL

Write Protect

V_CC

V_SS

+1.8V to +6V Power Supply

Ground

SCL

STATE COUNTERS

24WC128 F02

* Catalyst Semiconductor is licensed by Philips Corporation to carry the I C Bus Protocol.

Doc. No. 25060-00 6/99 S-1

Characteristics subject to change without notice

12 3 4 5 6 7 8

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