M95256-DR Datasheet, PDF (1/48 Pages) STMicroelectronics – 256 Kbit serial SPI bus EEPROM with high-speed clock

M95256-DR
M95256 M95256-W M95256-R
256 Kbit serial SPI bus EEPROM
with high-speed clock
Features
■ Compatible with the Serial Peripheral Interface
(SPI) bus
■ Memory array
– 256 Kb (32 Kbytes) of EEPROM
– Page size: 64 bytes
■ Additional Write lockable Page (Identification
page)
■ Write
– Byte Write within 5 ms
– Page Write within 5 ms
■ Write Protect: quarter, half or whole memory
array
■ High-speed clock frequency (20 MHz)
■ Single supply voltage: 1.8 V to 5.5 V
■ More than 1 Million Write cycles
■ More than 40-year data retention
■ Enhanced ESD Protection
■ Packages
– ECOPACK2^® (RoHS compliant and
Halogen-free)
SO8 (MN)
150 mil width
SO8 (MW)
200 mil width
TSSOP8 (DW)
169 mil width
WLCSP (CS)
September 2010
Doc ID 12276 Rev 11
1/48
www.st.com
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