设计文件
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Automotive Tiny Real-Time Clock/Calendar with Alarm Function and I²C-bus
- 建议不要在新设计中使用本页介绍的产品。
产品详情
Features
System Features
- AEC-Q100 grade 2 compliant for automotive applications
- Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
- Low current; typical 0.25 µA at VDD = 3.0 V and Tamb = 25°C
- Programmable clock output for peripheral devices (32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz)
- Alarm function
- Minute and half minute interrupt
- Internal Power-On Reset (POR)
- High-temperature operation range: 40°C to +105°C
- Clock operating voltage: 0.9 V to 5.5 V
- 400 kHz two-line I²C-bus interface (at VDD = 1.8 V to 5.5 V)
- Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.5 pF
- Countdown timer
- Oscillator stop detection function
- Programmable offset register for frequency adjustment
购买/参数
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