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HT1380 Product details. 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.
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- HT1380
Apr 30, 2023 · Features. Documents. Operating voltage: 2.0V~5.5V. Maximum input serial clock: 500kHz at V DD =2V, 2MHz at V DD =5V. Operating current: less than 1uA at 2V, less than 1.2uA at 5V. TTL compatible. - V IH: 2.0V~V DD +0.3V at V DD =5V. - V IL: -0.3V~+0.8V at V DD =5V. Two data transmission modes: single-byte or burst mode. Serial I/O transmission.
General Description. The HT1380/HT1381 is a serial timekeeper IC Two data transmission modes: single-byte, or burst mode Serial I/O transmission All registers store BCD format HT1380: 8-pin DIP package HT1381: 8-pin SOP package. Clock and Calendar. The HT1380/HT1381 has several registers to which provides seconds, minutes, hours, day,
The HT1380/ HT1381 is a standard Holtek device which can implement a calendar and clock function in hardware. The only external component required, to ensure correct operation, is a 32K crystal.
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:
- Miscellaneous-Miscellaneous-Timepiece
- HT1380
- Holtek Semiconductor Inc.
- Serial Timekeeper Chip
The HT1380 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 automat-ically adjusted. Also, the HT1380 is designed for low power consumption and can operate in one of two formats: a 12-hour mode with an AM/PM indicator, or a 24-hour mode.
HT1380/HT1381 Serial Timekeeper Chip Revision # 1.30 Modifications made on May 27, 2011 The A.C. Characteristics section was modified. The Crystal Selection section was modified. The Application Circuits section was modified. Revision # 1.20 Modifications made on April 1, 2011 The A.C. Characteristics section was modified.
