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UPD4991A Datasheet, NEC

UPD4991A clock equivalent, 4-bit parallel i/o calendar clock.

UPD4991A Avg. rating / M : 1.0 rating-14

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UPD4991A Datasheet

Features and benefits


* 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 .

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