4256BWP datasheet(1/41 Pages) STMICROELECTRONICS

Part #	4256BWP

Description	256-Kbit serial I²C bus EEPROM

PDF	41 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 41 page

This is information on a product in full production.

September 2012

Doc ID 6757 Rev 28

1/41

1

M24256-BW M24256-BR M24256-BF

M24256-DR M24256-DF

256-Kbit serial I²C bus EEPROM

Datasheet

−production data

Features

■ Compatible with all I2C bus modes:

–1 MHz

– 400 kHz

– 100 kHz

■ Memory array:

– 256 Kbit (32 Kbytes) of EEPROM

– Page size: 64 bytes

– Additional Write lockable page

(M24256-D order codes)

■ Single supply voltage and high speed:

– 1 MHz clock from 1.7 V to 5.5 V

■ Write:

– Byte Write within 5 ms

– Page Write within 5 ms

■ Operating temperature range: from -40 °C up

to +85 °C

■ Random and sequential Read modes

■ Write protect of the whole memory array

■ Enhanced ESD/Latch-Up protection

■ More than 4 million Write cycles

■ More than 200-year data retention

■ Packages:

– RoHS compliant and halogen-free

(ECOPACK®)

SO8 (MN)

150 mil width

TSSOP8 (DW)

169 mil width

UFDFPN8

(MC)

WLCSP (CS)

www.st.com

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