DS3803 Datasheet - Dallas Semiconductor

DS3803 1024k Flexible NV SRAM SIMM

A0 - A14 D0A - D7A D0B - D7B D0C - D7C D0D - D7D CEA - CED WEA - WED OEA - OED VCC GND NC Address Inputs Data Inputs/Outputs, Byte A Data Inputs/Outputs, Byte B Data Inputs/Outputs, Byte C Data Inputs/Outputs, Byte D Chip Enable Inputs Write Enable Inputs Output Enable Inputs +5V Power Supply Ground.

DS3803 Features

* Flexibly organized as 32k x 32, 64k x 16 or 128k x 8bits 10 years minimum data retention in the absence of external power Nonvolatile circuitry transparent to and independent from host system Automatic write protection circuitry safeguards against data loss Separate control and data signals for each

DS3803_DallasSemiconductor.pdf