DS1283 Description
The DS1283 Watchdog Timekeeper Chip is a self contained real time clock, alarm, watchdog timer, and interval timer in a 28 pin JEDEC DIP or 28 pin SOIC surface mount package. The DS1283 is specifically designed to maintain internal operations from a single low voltage supply. In fact, the only two external ponents required by the DS1283 are a battery and crystal.
DS1283 Key Features
- Keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years; valid leap ye
- Watchdog timer restarts an out-of-control processor
- Alarm function provides notice of real time related occurrences
- Designed for battery operation
- Programmable interrupts
- All registers are individually addressable via the ad- Accuracy is better than ±2 minutes/month at 25°C
- 50 bytes of user nonvolatile RAM
- Optional 28-pin SOIC surface mount package
- Low-power
- Optional industrial temperature range -40°C to +85°C