DS12887A clock equivalent, real time clock.
§ Drop
–in replacement for IBM AT computer clock/calendar § Pin compatible with the MC146818B and DS1287A § Totally nonvolatile with over 10 years of opera.
AD0-AD7 NC MOT
CS
AS R/ W DS
RESET
IRQ
SQW VCC
RCLR
GND
- Multiplexed Address/Data Bus - No Connection - Bus Type Selection - Chip Select - Address Strobe - Read/Write Input - Data Strobe - Reset Input - Interrupt Request Output - Square Wave Out.
Image gallery
TAGS
Download