DS3803 Datasheet - Dallas Semiconductor

DS3803, 1024k Flexible NV SRAM SIMM

www.DataSheet4U.com DS3803 1024k Flexible NV SRAM SIMM www.dalsemi.com .
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/Outpu.

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Datasheet Details

Part number:

DS3803

Manufacturer:

Dallas Semiconductor

File Size:

270.15 KB

Description:

1024k Flexible NV SRAM SIMM

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

Applications

* data integrity is paramount. The DS3803 provides two batteries for each SRAM and an internal isolation switch to select between them. During battery backup, the battery with the highest voltage is selected for use. If one battery fails, the other automatically takes over. The switch between batterie

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