DS1285Q
DS1285Q is Real Time Clock manufactured by Dallas Semiconductor.
- Part of the DS1285 comparator family.
- Part of the DS1285 comparator family.
DS1285/DS1285Q
DS1285/DS1285Q Real Time Clock
Features
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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 RESET DS GND R/W AS CS
- Drop-in replacement for IBM AT puter clock/calendar
- Pin configuration closely matches MC146818A
- Counts seconds, minutes, hours, day of the week, date, month, and year with leap year pensation alarm
- Binary or BCD representation of time, calendar, and
- 12- or 24-hour clock with AM and PM in 12-hour mode
- Daylight Savings Time option
- Selectable between Motorola and Intel bus timing
- Multiplex bus for pin efficiency
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