M95M01-125

M95M01-125 Automotive 1-Mbit serial SPI bus EEPROM Features ■ Compatible with the Serial Peripheral Interface (SPI) bus ■ Memory array – 1 Mb (128 Kbytes) of EEPROM – Page size: 256 bytes ■ Write – Byte Write within 5 ms – Page Write within 5 ms ■ Write Protect: quarter, half or whole memory array ■ High-speed clock: 5 MHz ■ Single supply voltage: – 2.5 V to 5.5 V ■ Operating temperature range: from -40°C up to +125°C ■ Enhanced ESD protection ■ More than 1 million Write cycles ■ More than 40-year data retention ■ Packages – RoHS compliant and halogen-free (ECOPACK®) Datasheet − production data SO8 (MN) 150 mil width June 2012 This is information on a product in full production. Doc ID 023153 Rev 1 1/37 www.st.com 1 Contents Contents M95M01-125 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.1 Serial Data Output (Q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.2 Serial Data Input (D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3 Serial Clock (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.4 Chip Select (S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...