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UPD4990A - SERIAL I/O CALENDAR & CLOCK CMOS LSI

UPD4990A Description

DATA SHEET MOS INTEGRATED CIRCUIT µPD4990A SERIAL I/O CALENDAR & CLOCK CMOS LSI The µPD4990A is a CMOS LSI developed to input/output calendar & clo.

UPD4990A Features

* Built-in counters for time (hour, minute, and second) and date (year, month, day, and week) Leap years are adjusted automatically. Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially. Commands can b

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Datasheet Details

Part number
UPD4990A
Manufacturer
NEC
File Size
129.98 KB
Datasheet
UPD4990A_NEC.pdf
Description
SERIAL I/O CALENDAR & CLOCK CMOS LSI

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