DS1270AB Datasheet, Maxim Integrated

* 5 years minimum data retention in the absence of external power
* Data is automatically protected during power loss
* Unlimited write cycles
* Low-power.

A0
  – A20 - Address Inputs DQ0 - DQ7 - Data In/Data Out CE - Chip Enable WE - Write Enable OE - Output Enable VCC GND - Power (+5V) - Ground NC - No Connect DESCRIPTION The DS1270 16M Nonvolatile SRAMs are 16,777,216-bit, fu.