HT1380A Datasheet - Holtek Semiconductor

HT1380A, Serial Timekeeper Chip

HT1380A/HT1381A Serial Timekeeper Chip .
The HT1380A/HT1381A is a serial timekeeper IC which provides seconds, minutes, hours, day, date, month and year information.

Features

* Operating voltage: 2.0V~5.5V
* Maximum input serial clock: 500kHz at VDD=2V, 2MHz at VDD=5V
* Operating current:
* less than 0.5μA at 2V
* less than 0.7μA at 3V
* less than 1.0μA at 5V
* TTL compatible

Applications

* Microcomputer serial clock

HT1380A-HoltekSemiconductor.pdf