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M95640-DF：64-Kbit SPI bus EEPROM with high-speed clock

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 supply voltage from 1.7 V to 5.5 V, over an ambient temperature range of -40 °C / +85 °C.

The M95640-D offers an additional page, named the Identification Page (32 bytes). The Identification Page can be used to store sensitive application parameters which can be (later) permanently locked in Read-only mode.

Key Features

• Compatible with the Serial Peripheral Interface (SPI) bus
• Memory array
  • 64 Kb (8 Kbytes) of EEPROM
  • Page size: 32 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: 20 MHz
• 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
• 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 (ECOPACK2®)
  • TSSOP8 (ECOPACK2®)
  • UFDFPN8 (ECOPACK2®)
  • WLCSP (ECOPACK2®)

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