PCF8523T/1,118 NXP Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, 1.2 V to 5.5 V supply, SOIC-8


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SKU: 1743788
  1. No.of pins: 8 pins
  2. IC Interface Type: I2C
  3. Max Supply Voltage: 5.5V



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Brand: NXP
Category: Clock & Timing IC

The PCF8523T/1,118 is a Real-Time Clock and calendar optimized for low power consumption. Data is transferred serially via the I²C-bus with a maximum data rate of 1000kbps. Alarm and timer functions are available with the possibility to generate a wake-up signal on an interrupt pin. An offset register allows fine-tuning of the clock. This has a backup battery switch-over circuit, which detects power failures and automatically switches to the battery supply when a power failure occurs.


  1. Clock & Timing
  2. Metering


  1. Battery backup input pin and switch-over circuit
  2. Freely programmable timer and alarm with interrupt capability
  3. Internal power-on reset
  4. Open-drain interrupt or clock output pins
  5. Programmable offset register for frequency adjustment

Package Includes:

1 x PCF8523T/1,118 NXP Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, 1.2 V to 5.5 V supply, SOIC-8

SKU: 1743788 Category:
No. of Pins


Supply Voltage Max


IC Interface Type


Operating Temperature (°C)


Operating Temperature Max


Shipping Weight 0.001 kg
Shipping Dimensions 6 × 5 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China