V3020 - Ultra Low Power 1-Bit 32-kHz RTC

EM Microelectronic (Swatch Group)

Datasheet Details

Part number	V3020
Manufacturer	EM Microelectronic (Swatch Group)
File Size	705.88 KB
Description	Ultra Low Power 1-Bit 32-kHz RTC
Datasheet	V3020 Datasheet

General Description

The V3020 is a low power CMOS real time clock.

Data is transmitted serially as 4 address bits and 8 data bits, over one line of a standard parallel data bus.

The device is accessed by chip select ( CS ) with read and write control timing provided by either RD and WR pulse (Intel CPU) or DS with advanced R/ W (Motorola CPU).

Overview

R EM MICROELECTRONIC - MARIN SA V3020 Ultra Low Power 1-Bit 32 kHz.

Key Features

Supply current typically 390 nA at 3V 50 ns access time with 50 pF load capacitance Fully operational from 1.2V to 5.5V No busy states or danger of a clock update while accessing Serial communication on one line of a standard parallel data bus or over a conventional 3 wire serial interface Interface compatible with both Intel and Motorola Seconds, minutes, hours, day of month, month, year, week day and week number in BCD format Leap year and week number correction Time set lock.

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More Datasheets from EM Microelectronic (Swatch Group)

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V3021	Ultra Low Power 1-Bit 32-kHz RTC
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V3025	Very Low Power 8-Bit 32-kHz RTC