M24128-A125

M24128-A125 Automotive 128-Kbit serial I²C bus EEPROM with 1 MHz clock TSSOP8 (DW) 169 mil width SO8 (MN) 150 mil width WFDFPN8 (MF) 2 x 3 mm Datasheet - production data Features Compatible with all I2C bus modes – 1 MHz – 400 kHz – 100 kHz Memory array – 128 Kbit (16 Kbytes) of EEPROM – Page size: 64 bytes – Additional Write lockable page (Identification page) Extended temperature and voltage ranges – -40 °C to 125 °C; 1.8 V to 5.5 V Schmitt trigger inputs for noise filtering. Short Write cycle time – Byte Write within 4 ms – Page Write within 4 ms Write cycle endurance – 4 million Write cycles at 25 °C – 1.2 million Write cycles at 85 °C – 600 k Write cycles at 125 °C Data retention – 50 years at 125 °C – 100 years at 25 °C ESD Protection (Human Body Model) – 4000 V Packages – RoHS compliant and halogen-free (ECOPACK®2) December 2014 This is information on a product in full production. DocID023817 Rev 4 1/40 www.st.com Contents Contents M24128-A125 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2 Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 Chip Enable (E2, E1, E0) . . . . . . . . . . . . . . . . ....