DS1285Q Datasheet

DS1285Q Description

The DS1285 Real Time Chip is a direct replacement for the MC146818A in IBM AT puter clock/calendar and other applications. For a plete description of operating conditions, electrical and mechanical characteristics, bus timing, and pin descriptions see the DS12885 data sheet. PIN DESCRIPTION AD0-AD7 NC MOT CS AS R/W DS RESET IRQ SQW VCC GND X1,X2 VBAT RCLR Multiplexed Address/Data Bus No Connection Bus Type Selection...