24C04A| Datasheet

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Obsolete Device
Please use 24LC04B.

24C04A
4K 5.0V I2CTM Serial EEPROM
FEATURES
Low power CMOS technology Hardware write protect Two wire serial interface bus, I2CTM compatible 5.0V only operation Self-timed write cycle (including auto-erase) Page-write buffer 1 ms write cycle time for single byte 1,000,000 Erase/Write cycles guaranteed Data retention >200 years 8-pin DIP/SOIC packages Available for extended temperature ranges - Commercial (C): 0 C to +70 C - Industrial (I): -40 C to +85 C - Automotive (E): -40 C to +125 C

PACKAGE TYPES
DIP A0 A1 A2 VSS 8-lead SOIC 1 2 3 4 24C04A 8 7 6 5 VCC WP SCL SDA

A0 A1 A2 VSS

1 24C04A 2 3 4

8 7 6 5

VCC WP SCL SDA

DESCRIPTION
The Microchip Technology Inc. 24C04A is a 4K bit Electrically Erasable PROM. The device is organized as with a standard two wire serial interface. Advanced CMOS technology allows a significant reduction in power over NMOS serial devices. A special feature provides hardware write protection for the upper half of the block. The 24C04A has a page write capability of up to eight bytes, and up to four 24C04A devices may be connected to the same two wire bus. This device offers fast (1ms) byte write and extended (-40 C to 125 C) temperature operation. It is recommended that all other applications use Microchip's 24LC04B.

14-lead SOIC

NC A0 A1 NC A2 Vss NC

1 2 24C04A 3 4 5 6 7

14 13 12 11 10 9 8

NC Vcc WP NC SCL SDA NC

BLOCK DIAGRAM
Vcc Vss Data Buffer (FIFO) Data Reg. SDA A d d r e s s

VPP

R/W Amp

Slave Addr.

P o i n A0 to t A7 e r Increment

Memory Array

SCL

Control Logic

A8

A0 A1 A2 WP I2C is a trademark of Philips Corporation.

2004 Microchip Technology Inc.

DS11183F-page 1

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24C04A DATASHEET