MM58167B - Microprocessor Real Time Clock

National

The MM58167B by National is a Microprocessor Real Time Clock. Below is the official datasheet preview.

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MM58167B Microprocessor Real Time Clock by National - Datasheet Preview — Official preview page of the **MM58167B** Microprocessor Real Time Clock datasheet (National).

Datasheet Details

Part number	MM58167B
Manufacturer	National
File Size	173.09 KB
Description	Microprocessor Real Time Clock
Datasheet	MM58167B_NationalSemiconductor.pdf
Additional preview pages of the MM58167B datasheet.

MM58167B Product details

Description

The MM58167B is a low threshold metal gate CMOS circuit that functions as a real time clock in bus oriented microprocessor systems The device includes an addressable real time counter 56 bits of RAM and two interrupt outputs A POWER DOWN input allows the chip to be disabled from the rest of the system for standby low power operation The time base is a 32 768 kHz crystal oscillator Y Y Y Y Y Y

Features

Y Y Y 56 bits of RAM with comparator to compare the real time counter to the RAM data 2.

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Published: May 9, 2005 |