DS1249W Datasheet (Dallas Semiconducotr) - 3.3V 2048kb Nonvolatile SRAM

DS1249W, 3.3V 2048kb Nonvolatile SRAM

A0 *A17 DQ0 *DQ7 CE WE OE VCC GND NC - Address Inputs - Data In/Data Out - Chip Enable - Write Enable - Output Enable - Power (+3.3V) - Ground - No Connect DESCRIPTION The DS1249W 2048kb nonvolatile (NV) SRAMs are 2,097,152-bit, fully static, NV SRAMs organized as 262,144 words by 8

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 as fast as 100ns Lithium energy source is electrically discon