The PCF8593 is a CMOS1 clock and calendar circuit, optimized for low power consumption. Addresses and data are transferred serially via the two-line bidirectional I²C-bus. The built-in word address register is incremented automatically after each written or read data byte. The built-in 32.768 kHz oscillator circuit and the first 8 bytes of the RAM are used for the clock, calendar, and counter functions. The next 8 bytes can be programmed as alarm registers or used as free RAM space.
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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 at 25°C | 2.5 to 6 | 0.2 | I²C | 7 | No | N | Y | Y | 0 | 1 | N | N | SO8 | 4.9 x 3.9 x 1.75 | -40 to 85 | 1K @ US$1.42 |
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