Part Number
|
HT1381A |
Manufacturer
|
Holtek Semiconductor |
Description
|
Serial Timekeeper Chip |
Published
|
May 11, 2018 |
Detailed Description
|
HT1380A/HT1381A Serial Timekeeper Chip
Features
• Operating voltage: 2.0V~5.5V • Maximum input serial clock: 500kHz a...
|
Datasheet
|
HT1381A
|
Overview
HT1380A/HT1381A Serial Timekeeper Chip
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 –– VIH: 2.
0V~VDD+0.
3V at VDD=5V –– VIL: 0.
3V~+0.
8V at VDD=5V • Two data transmission modes: single-byte, or burst mode • Serial I/O transmission • All registers store BCD format • HT1380A: 8-pin DIP package HT1381A: 8-pin SOP package
Applications
• Microcomputer serial clock • Clock and Calendar
General Description
The HT1380A/HT1381A is a serial timekeeper IC which provides seconds, minutes, hours, day, date, month and year inf...
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