UPD4991A 4-BIT PARALLEL I/O CALENDAR CLOCK

NEC

Description

DATA SHEET MOS INTEGRATED CIRCUIT µPD4991A 4-BIT PARALLEL I/O CALENDAR CLOCK The µPD4991A is a CMOS integrated circuit that has the ability to inpu.
1. 0 0 B). Thirteen types of counters are provided: 10-year, 1-year, 10-month, 1-month, 10-day, 1-day, date,.

📥 Download Datasheet

UPD4991A Datasheet Preview — Preview of UPD4991A PDF

Datasheet Specifications

Part number: UPD4991A
Manufacturer: NEC
File Size: 133.55 KB
Datasheet: UPD4991A_NEC.pdf
Description: 4-BIT PARALLEL I/O CALENDAR CLOCK

Features

* Time (hour, minute, and second) and calendar (leap year, year, month, day, and date) counters
* Leap year can be automatically identified or set
* 12- and 24-hour modes selectable
* 4-bit parallel input/output in BCD data format
* Alarm function (hour, minu

UPD4991A Distributors

📁 Related Datasheet

UPD4066B UPD41256 UPD41257 UPD41264 UPD41264C UPD41416

📌 All Tags

UPD4991A 4-BIT PARALLEL CALENDAR CLOCK NEC

NEC UPD4991A-like datasheet