64-Kbit serial SPI bus EEPROM
M95640-W M95640-R M95640-DF
Datasheet
64-Kbit serial SPI bus EEPROM with high-speed clock
TSSOP8 (DW) 169 mil width
SO...
Description
M95640-W M95640-R M95640-DF
Datasheet
64-Kbit serial SPI bus EEPROM with high-speed clock
TSSOP8 (DW) 169 mil width
SO8 (MN) 150 mil width
WLCSP (CT)
UFDFPN8 (MC) DFN8 2 x 3 mm
Product status link M95640-W M95640-R M95640-DF
Product label
Features
SPI interface Compatible with the serial peripheral interface (SPI) bus
Memory 64 Kb (8 Kbytes) of EEPROM Page size: 32 bytes Additional write lockable page (identification page)
Supply management Wide single supply voltage:
– 2.5 V to 5.5 V for M95640-W – 1.8 V to 5.5 V for M95640-R – 1.7 V to 5.5 V for M95640-DF
Temperature Operating temperature range: from -40 °C up to +85 °C
Fast write cycle time Byte and page write within 5 ms
High speed clock frequency Clock up to 20 MHz
Performance Enhanced ESD protection More than 4 million write cycles More than 200-year data retention
Advanced features Write protect: quarter, half or whole memory array
Package SO8 (ECOPACK2) TSSOP8 (ECOPACK2) UFDFPN8 (ECOPACK2) WLCSP (ECOPACK2)
DS6633 - Rev 20 - June 2023 For further information contact your local STMicroelectronics sales office.
www.st.com
M95640-W M95640-R M95640-DF
Description
1
Description
The M95640 devices are electrically erasable programmable memories (EEPROMs) organized as 8192 x 8 bits, accessed through the SPI bus.
The M95640-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95640-R can operate with a supply voltage from 1.8 V to 5.5 V and the M95640-DF can operate with a s...
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