深圳市眾泰電子有限公司
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供應(yīng)合泰HOLTEK時(shí)鐘芯片-HT1380
價(jià)格
訂貨量(個(gè))
¥1.70
≥1
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深圳市眾泰電子有限公司
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HT1380/HT1381
Serial Timekeeper Chip
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.
The HT1380/HT1381 has several registers to store the corresponding information with 8-bit data format. A 32768Hz crystal is required to provide the correct timing.
- Operating voltage: 2.0V~5.5V
- Maximum input serial clock: 500kHz at VDD=2V, 2MHz at VDD=5V
- Operating current: less than 1uA at 2V, less than 1.2uA 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
- HT1380: 8-pin DIP package
HT1381: 8-pin SOP package