The PCA85073A is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. An offset register allows fine-tuning of the clock. All addresses and data are transferred serially via the two-line bidirectional I²C-bus. Maximum data rate is 400 kbit/s. The register address is incremented automatically after each written or read data byte.
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Part | Order | CAD Model | Status | RTC Type | Accuracy (Typ) (+/- ppm) | Supply Voltage [Min to Max] (V) | Low Supply Current (μA) | Communication protocol | Capacitive Load (μF) | Battery Back Up | Watchdog timer | Programmable alarm | Countdown Timer | Tamper Input | Interrupt Output | Integrated Temperature Compensation | AEC-Q100 compliant | Package Type | Package Dimensions (LxWxZ (mm)) | Operating Temperature (Min-Max) (℃) | Budgetary Price excluding tax |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Active | IC | 20 to 50 at 25°C | 1.8 to 5.5 | 0.25 | I²C | 7, 12.5 | No | Y | Y | Y | 0 | 1 | Y | Y | TSSOP8 | 3 x 3 x 1.1 | -40 to 105 | 1K @ US$0.49 |
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