VT82887 Datasheet - VIA

VT82887 Real Time Clock

The VT82887 Real Time Clock is designed to be a direct replacement for the DS12887. The VT82887 is identical in form, fit and function to the DS12887. It has 114 bytes of general purpose RAM. Access to this RAM space is OPERATION determined by the logic level presented on AD6 during the address por.

VT82887 Features

* Drop-in replacement for IBM AT computer clock/calendar.

* Pin configuration closely matches the DS12887

* Totally nonvolatile with over 10 years of operation in the absence of power

* Self-contained subsystem includes lithium, quartz and support circuitry

* Coun

VT82887_VIA.pdf