STMicroelectronics, 512 kB EEPROM, 40 ns 8-Pin SO-8 Serial-SPI

The M95512 devices are Electrically Erasable PROgrammable Memories (EEPROMs) organized as 65536 x 8 bits, accessed through the SPI bus.
The M95512-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95512-R can operate with a supply voltage from 1.8 V to 5.5 V and the M95512-DF can operate with a supply voltage from 1.7 V to 5.5 V, over an ambient temperature range of -40 °C / +85 °C.

• Compatible with the serial peripheral interface (SPI) bus
• Memory array
• 512 Kbit (64 Kbytes) of EEPROM
• Page size: 128 bytes
• Write
• Byte Write within 5 ms
• Page Write within 5 ms
• Additional write lockable page (Identification page)
• Write protect: quarter, half or whole memory array
• High-speed clock: 16 MHz
• Single supply voltage:
• 2.5 V to 5.5 V for M95512-W
• 1.8 V to 5.5 V for M95512-R
• 1.7 V to 5.5 V for M95512-DF
• Operating temperature range: from -40 °C up to +85 °C
• Enhanced ESD protection
• More than 4 million Write cycles
• More than 200-year data retention
• Packages:
• SO8
• TSSOP8
• UFDFPN8
• WLCSP