PCF85263ATT1/AJ

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The PCF85263AT–1/AJ is an extremely low power Real Time Clock (RTC) used for timing and scheduling in many consumer, industrial, and medical electronics applications. The clock is the industry standard for keeping time and setting alarms in systems such as mobile phones, smart meters, medical devices, and sound systems. The PCF85263AT–1/AJ employs a quartz crystal oscillator to ensure very accurate timing (±2ppm typical accuracy) over a wide range of temperatures. The device also has a long life, with a temperature range of –40°C to +85°C and its flip chip package has additional protection for soldering and a higher level of reliability. It is also Pb-free in compliance with European WEEE and RoHS requirements.

The PCF85263AT–1/AJ comes with a powerful range of integrated features and functionality. It includes a 64 MHz clock, an alarm, a watchdog timer, a power management block, and an integrated 32-bit counter. The device also features a real-time clock with an accuracy of ±2ppm and a capability to reset itself to the last system time after a power outage. The counter operates at 16MHz, and can be used to accurately measure elapsed time between events.

The PCF85263AT–1/AJ also contains a flexible programmable power-saving mode. This mode can reduce the device’s operating current and increase its battery life while still maintaining its accuracy. The device can also be configured to operate in a reduced-power state when it is not actively used. In this state, the current draw is minimal, and no timing or alarm operations are performed. This allows for extended battery life in systems such as mobile phones and medical devices.

The device’s alarm and watchdog timer features enable it to be used in safety-critical systems such as medical devices. The alarm can be used to wake the system up at a specific time and can be enabled or disabled by the host processor. The watchdog timer is used to monitor the host processor and provide an automatic system reset if the processor is not performing as expected. The PCF85263AT–1/AJ has built-in functions to detect power failure or brownout and detect when the power supply is below a certain threshold.

The PCF85263AT–1/AJ offers a cost-effective solution for accurate timing and scheduling in a wide range of applications. The device’s low power consumption, its accuracy, long life and flexible functionality make it the perfect choice for any embedded system.

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