MC146818 Datasheet Real-time Clock Plus Ram

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview: ® MOTOROLA MC146818 Advance Information CMOS REAL-TIME CLOCK PLUS RAM (RTC) (HIGH-PERFORMANCE SILICON-GATE COMPLEMENTARY MOS) The MC146818 Real-Time Clock plus RAM is a peripheral device which includes the unique MOTEL concept for use with various microprocessors, microcomputers, and larger computers.

Datasheet Details

Part number	MC146818
Manufacturer	Motorola Semiconductor (now NXP Semiconductors)
File Size	769.06 KB
Description	REAL-TIME CLOCK PLUS RAM
Datasheet	MC146818_Motorola.pdf

Key Features

a complete time-of-day clock with alarm and one hundred year calendar, a programmable periodic inter- rupt and square-wave generator, and 50 bytes of low-power static RAM. The MC146818 uses high-speed CMOS technology to interface I with 1 MHz processor buses, while consuming very little power. The Real-Time Clock plus RAM has two distinct uses. First, it is designed as a battery powered CMOS part (in an otherwise.

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