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M95020-A145 Dataheets PDF



Part Number M95020-A145
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Automotive 2-Kbit serial SPI bus EEPROMs
Datasheet M95020-A145 DatasheetM95020-A145 Datasheet (PDF)

SO8 (MN) 150 mil width TSSOP8 (DW) 169 mil width WFDFPN8 (MF) 2 x 3 mm M95020-A125 M95020-A145 Automotive 2-Kbit serial SPI bus EEPROMs with high-speed clock Datasheet - production data Features • Compatible with the Serial Peripheral Interface (SPI) bus • Memory array – 2 Kbit (256 Kbyte) of EEPROM – Page size: 16 byte – 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 (VCC from 1.

  M95020-A145   M95020-A145



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SO8 (MN) 150 mil width TSSOP8 (DW) 169 mil width WFDFPN8 (MF) 2 x 3 mm M95020-A125 M95020-A145 Automotive 2-Kbit serial SPI bus EEPROMs with high-speed clock Datasheet - production data Features • Compatible with the Serial Peripheral Interface (SPI) bus • Memory array – 2 Kbit (256 Kbyte) of EEPROM – Page size: 16 byte – 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 (VCC from 1.7 V to 5.5 V) – Up to 145 °C (VCC from 2.5 V to 5.5 V) • High speed clock frequency – 20 MHz for VCC ≥ 4.5 V – 10 MHz for VCC ≥ 2.5 V – 5 MHz for VCC ≥ 1.7 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 – 400 k Write cycles at 145 °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 (ECOPACK2®) February 2016 This is information on a product in full production. DocID025284 Rev 5 1/41 www.st.com Contents Contents M95020-A125 M95020-A145 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 VSS ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.8 VCC supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..


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