DS1249W Datasheet (Maxim Integrated Products) - 3.3V 2048kb Nonvolatile SRAM

DS1249W, 3.3V 2048kb Nonvolatile SRAM

A0 *A17 - Address Inputs DQ0 *DQ7 - Data In/Data Out CE - Chip Enable WE - Write Enable OE - Output Enable VCC GND - Power (+3.3V) - Ground NC - No Connect DESCRIPTION The DS1249W 2048kb nonvolatile (NV) SRAMs are 2,097,152-bit, fully static, NV SRAMs organized as 262,144 wo

DS1249W 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 100ns

* Lithium energy source is electrically disconnected to retain fre