bus EEPROMs. M95512-A125 Datasheet

M95512-A125 EEPROMs. Datasheet pdf. Equivalent

Part M95512-A125
Description Automotive 512-Kbit serial SPI bus EEPROMs
Feature M95512-A125 M95512-A145 Automotive 512-Kbit serial SPI bus EEPROMs with high-speed clock Datasheet -.
Manufacture STMicroelectronics
Datasheet
Download M95512-A125 Datasheet

M95512-A125 M95512-A145 Automotive 512-Kbit serial SPI bus E M95512-A125 Datasheet
Recommendation Recommendation Datasheet M95512-A125 Datasheet





M95512-A125
M95512-A125
M95512-A145
Automotive 512-Kbit serial SPI bus EEPROMs
with high-speed clock
Datasheet - production data
SO8 (MN)
150 mil width
TSSOP8 (DW)
169 mil width
WFDFPN8 (MF)
2 x 3 mm
Features
Compatible with the Serial Peripheral Interface
(SPI) bus
Memory array
– 512 Kbit (64 Kbyte) of EEPROM
– Page size: 128 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
– 16 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®)
January 2016
This is information on a product in full production.
DocID022682 Rev 8
1/44
www.st.com



M95512-A125
Contents
Contents
M95512-A125 M95512-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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
2/44 DocID022682 Rev 8





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