Datasheet > 存储 > EEPROM> CAT24WC66XE-REVC

CAT24WC66XE-REVC

更新时间： 2025-08-18 05:56:59

品牌	Logo	应用领域
CATALYST		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光电二极管
页数	文件大小	规格书
10页	237K
描述
EEPROM, 8KX8, Serial, CMOS, PDSO8, LEAD FREE AND HALOGEN FREE, EIAJ, SOIC-8

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CAT24WC66XE-REVC 数据手册

CAT24WC66

64K-Bit I²C Serial CMOS EEPROM

FEATURES

■ 400 kHz I²C bus compatible*

■ Commercial, industrial and automotive

temperature ranges

■ 1.8 to 6 volt read and write operation

■ Cascadable for up to eight devices

■ 32-byte page write buffer

■ Write protection

–Top 1/4 array protected when WP at V_IH

■ 1,000,000 program/erase cycles

■ 100 year data retention

■ Self-timed write cycle with auto-clear

■ Schmitt trigger inputs for noise protection

■ 8-pin DIP or 8-pin SOIC packages

DESCRIPTION

The CAT24WC66 is a 64K-bit Serial CMOS EEPROM

internally organized as 8192 words of 8 bits each.

Catalyst’s advanced CMOS technology substantially

reduces device power requirements. The

CAT24WC66 features a 32-byte page write buffer. The

device operates via the I²C bus serial interface and is

available in 8-pin DIP or 8-pin SOIC packages.

PIN CONFIGURATION

BLOCK DIAGRAM

DIP Package (P, L)

EXTERNAL LOAD

SENSE AMPS

SHIFT REGISTERS

OUT

ACK

SCL

SDA

WORD ADDRESS

BUFFERS

COLUMN

DECODERS

256

START/STOP

SOIC Package (J, K, W, X)

SDA

LOGIC

EEPROM

256 X 256

XDEC 256

SCL

SDA

CONTROL

LOGIC

PIN FUNCTIONS

Pin Name

Function

DATA IN STORAGE

A0, A1, A2

SDA

Device Address Inputs

Serial Data/Address

Serial Clock

HIGH VOLTAGE/

TIMING CONTROL

SCL

STATE COUNTERS

Write Protect

V_CC

+1.8V to +6V Power Supply

Ground

SLAVE

ADDRESS

COMPARATORS

V_SS

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

Doc. No. 1037, Rev. H

Characteristics subject to change without notice

12 3 4 5 6 7...10

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