M95M02-DWMN3TPK STMicroelectronics

M95M02-A125 Automotive 2 Mbit serial SPI bus EEPROM Datasheet - production data Features Compatible with the Serial Peripheral Interface (SPI) bus Memory array 2 Mbit (256 Kbyte) of EEPROM SO8 (MN) Page size: 256 byte 150 mil width Write protection by block: 1/4, 1/2 or whole memory Additional Write lockable Page (Identification page) Extended temperature and voltage ranges Up to 125 C (V from 2.5 V to 5.5 V) CC Clock frequency 10 MHz for V 4.5 V 105C CC 5 MHz for V 2.5 V 125C CC Schmitt trigger inputs for noise filtering Short Write cycle time Byte Write within 5 ms Page Write within 5 ms Write cycle endurance 4 million Write cycles at 25 C 1.2 million Write cycles at 85 C 100 k Write cycles at 125 C Data retention 100 years at 25 C ESD Protection (Human Body Model) 3000 V Packages RoHS-compliant and halogen-free (ECOPACK2 ) July 2015 DocID026881 Rev 5 1/39 This is information on a product in full production. www.st.comContents M95M02-A125 Contents 1 Description . 6 2 Signal description . 8 2.1 Serial Data output (Q) 8 2.2 Serial Data input (D) 8 2.3 Serial Clock (C) . 8 2.4 Chip Select (S) 8 2.5 Hold (HOLD) 8 2.6 Write Protect (W) 8 2.7 V ground . 8 SS 2.8 V supply voltage . 9 CC 3 Operating features . 10 3.1 Active power and Standby power modes . 10 3.2 SPI modes 10 3.3 Hold mode .11 3.4 Protocol control and data protection 11 3.4.1 Protocol control . 11 3.4.2 Status Register and data protection 12 3.5 Identification page 13 4 Instructions . 15 4.1 Write Enable (WREN) . 16 4.2 Write Disable (WRDI) 16 4.3 Read Status Register (RDSR) . 17 4.4 Write Status Register (WRSR) . 18 4.5 Read from Memory Array (READ) 19 4.6 Write to Memory Array (WRITE) . 20 4.7 Read Identification Page (RDID) . 22 4.8 Write Identification Page (WRID) . 23 4.9 Read Lock Status (RDLS) 23 4.10 Lock Identification Page (LID) . 24 2/39 DocID026881 Rev 5