UPD4992 - 8-Bit Parallel I/O Calendar Clock

Name: UPD4992
SKU: UPD4992-368988

NEC

The UPD4992 by NEC is a 8-Bit Parallel I/O Calendar Clock. Below is the official datasheet preview.

Datasheet Details

Part number	UPD4992
Manufacturer	NEC
File Size	101.49 KB
Description	8-Bit Parallel I/O Calendar Clock
Datasheet	UPD4992_NEC.pdf
Additional preview pages of the UPD4992 datasheet.

Internal counter for time (hour, minute, second), and calendar (leap year, year, month, day of month, day of week).
Super low power consumption (IDD = 2 µA MAX. at VDD = 2.4 V).
Automatic determination of leap year, manual setting possible.
12 hour/24 hour mode selectable.
8-bit parallel input/output in BCD data format.
12 kinds of interval timer output (can be used as watchdog timer).
Internal voltage detection circuit for automat.

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Published: Apr 17, 2005 |