DS1486 - RAMified Watchdog Timekeeper

Dallas Semiconductor

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Datasheet Details

Part number	DS1486
Manufacturer	Dallas Semiconductor
File Size	288.02 KB
Description	RAMified Watchdog Timekeeper
Datasheet	DS1486_DallasSemiconductor.pdf

DS1486 Product details

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 Ground SQW Square Wave Output NC No Connection X1, X2 Crystal Connection VBAT Battery Connection INTB INTB (INTB) A15 A16 PFO VCC WE OE CE DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 D

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.

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Published: Sep 2, 2008 |