12C887 Dallas Semiconductor Datasheet

12C887 Key Features

• 15 bytes of clock and control registers
• 113 bytes of general purpose RAM Programmable square wave output signal Bus-patible interrupt signals (IRQ) Three interr
• Time-of-day alarm once/second to once/day
• Periodic rates from 122 ms to 500 ms
• End of clock update cycle Century register
• Multiplexed Address/Data Bus NC
• No Connect MOT
• Bus Type Selection CS
• RTC Chip Select Input AS
• Address Strobe