DS1249Y Datasheet (Maxim Integrated) - 2048k Nonvolatile SRAM

DS1249Y, 2048k Nonvolatile SRAM

A0 - A17 - 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 DS1249 2048k Nonvolatile SRAMs are 2,097,152-bit, fully static, nonvolatile SRAMs organized as 262,144 words by 8 bit

DS1249Y Features

* 10 years minimum data retention in the absence of external power

* Data is automatically protected during power loss

* Unlimited write cycles

* Low-power CMOS operation

* Read and write access times of 70 ns

* Lithium energy source is electrically disconnected to retain fre