M95256 Datasheet, PDF (1/39 Pages) STMicroelectronics – 256 Kbit Serial SPI bus EEPROM with high speed clock

M95256
M95128
256Kbit and 128Kbit Serial SPI Bus EEPROM
With High Speed Clock
FEATURES SUMMARY
■ Compatible with SPI Bus Serial Interface
(Positive Clock SPI Modes)
■ Single Supply Voltage:
– 4.5 to 5.5V for M95xxx
– 2.5 to 5.5V for M95xxx-W
– 1.8 to 5.5V for M95xxx-R
■ High Speed
– 10MHz Clock Rate, 5ms 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 100000 Erase/Write Cycles
■ More than 40-Year Data Retention
Figure 1. Packages
8
1
PDIP8 (BN)
0.25 mm frame
8
1
SO8 (MN)
150 mil width
Table 1. Product List
Reference
Part Number
M95256
M95256
M95256-W
M95256-R
M95128
M95128
M95128-W
M95128-R
8
1
SO8 (MW)
200 mil width
TSSOP8 (DW)
169 mil width
October 2004
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