Datasheet Details
| Part number | DS1486 |
|---|---|
| Manufacturer | Dallas Semiconductor |
| File Size | 288.02 KB |
| Description | RAMified Watchdog Timekeeper |
| Datasheet |
 DS1486 Datasheet
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General Description
Interrupt Output A (open drain) INTB (INTB)
Interrupt Output B (open drain) A0
A16
Address Inputs DQ0
DQ7
Data Input/Output CE
Chip Enable OE
Output Enable WE
Write Enable VCC
+5 Volts GND
Groun
Key Features
- 128 kbytes of user NV RAM Integrated NV SRAM, real-time clock, crystal, power-fail control circuit and lithium energy source.
- Totally nonvolatile with over 10 years of operation in the absence of power.
- Watchdog timer restarts an out-of-control processor.
- Alarm function schedules real-time related www. DataSheet4U. com activities such as system wakeup.
- Programmable interrupts and square wave output.
- All registers are individually addressable via the address and data bus.