M95256_08 Datasheet, PDF (1/43 Pages) STMicroelectronics – 256 Kbit serial SPI bus EEPROM with high-speed clock

M95256
M95256-W M95256-R
256 Kbit serial SPI bus EEPROM
with high-speed clock
Features
■ Compatible with SPI bus serial interface
(positive clock SPI modes)
■ Single supply voltage:
– 4.5 to 5.5 V for M95256
– 2.5 to 5.5 V for M95256-W
– 1.8 to 5.5 V for M95256-R
■ High speed
– 5 MHz clock rate, 5 ms write time
■ Status Register
■ Hardware protection of the Status Register
■ Byte and Page Write (up to 64 bytes)
■ Self-timed programming cycle
■ Adjustable size read-only EEPROM area
■ Enhanced ESD protection
■ More than 1 000 000 write cycles
■ More than 40-year data retention
■ Packages
– ECOPACK^® (RoHS compliant)
SO8 (MN)
150 mil width
SO8 (MW)
200 mil width
TSSOP8 (DW)
169 mil width
March 2008
Rev 8
1/43
www.st.com
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