• Serial Peripheral Interface (SPI) data transfer
protocol 

• Memory array: 

  1M bits (128 Kbytes) of EEPROM

  Page size: 256 bytes 

  Additional Write lockable page

• Single supply voltage and high speed: 

  BL25CM1A 2MHz （2.8V - 5.5V）

  BL25CM1A 5MHz （2.8V - 5.5V 

• Random and sequential Read modes

• Write: 

  Byte Write within 6 ms 

  Page Write within 6 ms 

  Partial Page Writes Allowed

• Write Protect: quarter, half or whole memory array

• Operating temperature range: from -40℃ to 85℃

• High-reliability 

  Endurance: 1 Million Write Cycles

  Data Retention: 100 Years 

• Enhanced ESD/Latch-up protection

  HBM 8000V 

  8-lead SOP and WLCSP8 packages