Product Summary

The DS1286 is a watchdog timekeeper. It is self-contained real-time clocks, alarms, watchdog timers, and interval timers in a 28-pin JEDEC DIP and encapsulated DIP package. The devices provide alarm windows and interval timing between 0.01 seconds and 99.99 seconds. The real-time alarm provides for preset times of up to one week.

Parametrics

DS1286 absolute maximum ratings: (1)voltage range on any pin relative to Ground: -0.3 to 7V; (2)Operating temperature range: 0 to 70℃; (3)storage temeprature range: -40 to 85℃; (4)soldering temperature: -40 to 85℃.

Features

DS1286 features: (1)Watchdog Timer Restarts an Out-of-Control Processor; (2)Alarm Function Schedules Real-Time-Related Activities; (3)Embedded Lithium Energy Cell Maintains Time, Watchdog, User RAM, and Alarm Information; (4)Programmable Interrupts and Square-Wave Outputs Maintain JEDEC Footprint.

Diagrams

DS1286 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DS1286+
DS1286+

Maxim Integrated Products

Real Time Clock

Data Sheet

Negotiable 
DS1286I
DS1286I

Maxim Integrated Products

Real Time Clock

Data Sheet

Negotiable 
DS1286I+
DS1286I+

Maxim Integrated Products

Real Time Clock

Data Sheet

Negotiable 
DS1286
DS1286

Maxim Integrated Products

Real Time Clock

Data Sheet

Negotiable