HT1381 Overview
The HT1380/HT1381 is a serial timekeeper IC which provides seconds, minutes, hours, day, date, month and year information. The number of days in each month and leap years are automatically adjusted. The HT1380/HT1381 is designed for low power consumption and can operate in two modes:.
HT1381 Key Features
- Operating voltage: 2.0V~5.5V
- Maximum input serial clock: 500kHz at VDD=2V
- Operating current: less than 1mA at 2V
- TTL patible
- VIH: 2.0V~VDD+0.3V at VDD=5V
- VIL: -0.3V~+0.8V at VDD=5V
HT1381 Applications
- The IC substrate should be connected to VSS in the PCB layout artwork
