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HT1380 Datasheet Serial Timekeeper Chip

Manufacturer: Holtek Semiconductor Inc

Overview: HT1380/HT1381 Serial Timekeeper Chip.

General Description

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: one is the 12-hour mode with an AM/PM indicator, the other is the 24-hour mode.

Key Features

  • Operating voltage: 2.0V~5.5V.
  • Maximum input serial clock: 500kHz at VDD=2V, 2MHz at VDD=5V.
  • Operating current: less than 1mA at 2V, less than 1.2mA at 5V.
  • TTL compatible - VIH: 2.0V~VDD+0.3V at VDD=5V - VIL: -0.3V~+0.8V at VDD=5V.

HT1380 Distributor