M95640-A125 M95640-A145 is ST's automotive 64Kbit serial SPI bus EEPROM, compatible with SPI bus, with 64Kbits(8Kbytes) of EEPROM, 32 bytes page size, 1/4, 1/2 or entire memory write protection, additional write lockable page(identification page), high temperature and voltage range, high clock frequency, Schmitt trigger input, short write cycle time, write cycle endurance, data retention time, ESD protection and RoHS-compliant and halogen-free(ECOPACK2®) packaging
The M95640-A125 and M95640-A145 are 64-Kbit serial EEPROM Automotive grade devices operating up to 145°C. They are compliant with the very high level of reliability defined by the Automotive standard AEC-Q100 grade 0. The devices are accessed by a simple serial SPI compatible interface running up to 20 MHz.
| Memory array size | 64 Kbits (8 Kbytes) |
|---|---|
| Page size | 32 bytes |
| Maximum clock frequency | 20 MHz |
| Operating temperature range | Up to 145 °C |
| Supply voltage range | 1.8 V to 5.5 V |
| Write cycle endurance | 4 million Write cycles at 25 °C |
| Data retention | 40 years at 55 °C |
| ESD Protection | 4000 V |
The devices operate up to 145 °C.
The maximum clock frequency is 20 MHz when VCC is greater than or equal to 4.5 V.
Yes, data integrity is significantly improved with an embedded Error Correction Code logic.