www.DataSheet4U.com PIN ASSIGNMENT MOT X1 X2 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 GND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC SQW NC RCLR VBAT IRQ .

For a complete description of operating conditions, electrical and mechanical characteristics, bus timing, and pin desc.

The DS1285 Real Time Chip is a direct replacement for the MC146818A in IBM AT computer clock/calendar and other applications. For a complete description of operating conditions, electrical and mechanical characteristics, bus timing, and pin descripti.

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