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DS1486P Datasheet RAMified Watchdog Timekeeper

Manufacturer: Dallas Semiconductor

Overview: DS1486/DS1486P RAMified Watchdog Timekeeper www.maxim-ic.com.

Download the DS1486P datasheet PDF. This datasheet also includes the DS1486 variant, as both parts are published together in a single manufacturer document.

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Datasheet Details

Part number DS1486P
Manufacturer Dallas Semiconductor
File Size 288.02 KB
Description RAMified Watchdog Timekeeper
Download DS1486P Download (PDF)

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 – 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 DQ1 DQ0 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 X1 GND VBAT X2 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 INTA SQW A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 34-Pin PowerCap Module Board (Uses DS9034PCX PowerCap) 1 of 17 072401 DS1486/DS1486P DESCRIPTION The DS1486 is a nonvolatile Static RAM with a full function Real-time clock (RTC), alarm, watchdog timer, and interval timer which are all accessible in a bytewide format.

The DS1486 contains a lithium energy

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.

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