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24C01B_02B| Datasheet

By datasheet - June 10th, 2008

24C01B_02B| Datasheet

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Obsolete Device
Please use 24LC01B or 24LC02B.

24C01B/02B
1K/2K 5.0V I2CTM Serial EEPROM
FEATURES
Single supply with 5.0V operation Low power CMOS technology - 1 mA active current typical - 10 uA standby current typical at 5.0V - 5 uA standby current typical at 5.0V Organized as a single block of 128 bytes (128 x 8) or 256 bytes (256 x 8) 2-wire serial interface bus, I2C compatible 100 kHz compatibility Self-timed write cycle (including auto-erase) Page-write buffer for up to 8 bytes 2 ms typical write cycle time for page-write Hardware write protect for entire memory Can be operated as a serial ROM ESD protection > 3,000V 1,000,000 ERASE/WRITE cycles guaranteed Data retention > 200 years 8 pin DIP or SOIC package Available for extended temperature ranges - Automotive (E): -40 C to +125 C

PACKAGE TYPES
PDIP NC NC NC Vss 1 24C01B/02B 2 3 4 8 7 6 5 Vcc WP SCL SDA

SOIC NC NC NC Vss 1 24C01B/02B 2 3 4 8 7 6 5 Vcc WP SCL SDA

DESCRIPTION
The Microchip Technology Inc. 24C01B and 24C02B are 1K bit and 2K bit Electrically Erasable PROMs. The devices are organized as a single block of 128 x 8 bit or 256 x 8 bit memory with a 2-wire serial interface. The 24C01B and 24C02B also have page-write capability for up to 8 bytes of data. The 24C01B and 24C02B are available in the standard 8-pin DIP and an 8-pin surface mount SOIC package. These devices are for extended temperature applications only. It is recommended that all other applications use Microchip's 24LC01B/02B.

BLOCK DIAGRAM
WP
HV GENERATOR

I/O CONTROL LOGIC

MEMORY CONTROL LOGIC

XDEC

EEPROM ARRAY PAGE LATCHES

SDA SCL
YDEC

VCC VSS

SENSE AMP R/W CONTROL

I2C is a trademark of Philips Corporation.

2004 Microchip Technology Inc.

Preliminary

DS21233B-page 1


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