产品概览
The PCF85063AT/AY from NXP Semiconductors is an ultra-low-power CMOS real-time clock (RTC) and calendar with I2C interface, alarm function, and 250 nA backup current in a TSSOP-8 package.
主要规格
| 类型 | Real-Time Clock / Calendar (RTC) |
| Interface | I2C (400 kHz) |
| 电源电压 | 0.9 V to 5.5 V |
| Backup Current | 250 nA (typical at 3.0V) |
| Alarm Function | Yes (minute, hour, day, weekday) |
| Backup Supply | Switched backup battery input |
| 包装 | TSSOP-8 (3.0 x 4.4 mm) |
| 工作温度 | -40C to 85C |
特点
- Ultra-low 250 nA backup supply current
- Wide 0.9 V to 5.5 V operating voltage range
- I2C bus interface at 400 kHz
- Alarm and timer interrupt output
- Automatic backup battery switchover
- Century flag and watchdog timer
应用
- Portable and battery-powered time-keeping
- Metering and data logging timestamps
- Medical device event recording
- Industrial control scheduling
- Consumer electronics real-time clock