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NXP PCF8523T1118 Real-Time Clock Module

The PCF8523T/1,118 is a low-power real-time clock and calendar module. It communicates over the I²C bus at a maximum data rate of 1000 kbps and offers alarm and timer functions, including the ability to generate wake-up signals via an interrupt pin. The module features an offset register for precise time calibration and a backup battery switch-over circuit that automatically switches to backup power during a power failure. Additional features include a battery backup input pin, internal power-on reset, open-drain interrupt and clock output pins, and programmable alarm and timer functions suitable for applications in clock, timing, and metering systems. Please note that market demand has extended lead times, and deliveries may fluctuate; the product is exempt from discounts.

Authorized Distributors
Source:Newark
Part No:PCF8523T/1,118
Stock:2406
Inv Date:06-09-2026
Price: Unit price: $0.899
Buy/RFQ:
Source:DigiKey
Part No:PCF8523T/1,118
Stock:30031
Inv Date:06-09-2026
Price: Unit price: $1.35
Buy/RFQ:
Source:DigiKey
Part No:PCF8523T/1,118
Stock:30031
Inv Date:06-09-2026
Price: Unit price: $0.65824
Buy/RFQ:
Part No:PCF8523T/1,118
Stock:0
Inv Date:06-10-2026
Price: N/A
Buy/RFQ:

NXP PCF8523T1118 Real-Time Clock Module Specifications:

  • Communication: I²C bus, maximum data rate 1000 kbps
  • Power Supply Voltage: 1.0 V to 5.5 V
  • Backup Battery Switch-over Circuit: Yes
  • Alarm and Timer Functions: Programmable with wake-up signals
  • Offset Register: For precise time calibration
  • Backup Battery Input Pin: Yes
  • Internal Power-On Reset: Yes
  • Interrupt Pin: Open-drain, programmable alarm/timer signals
  • Clock Output Pin: Programmable, open-drain
  • Applications: Clock, timing, metering systems
  • Delivery status: Extended lead times, market fluctuation, no discounts

Buy the NXP PCF8523 – Reliable RTC and Calendar for Industrial Applications

Get your NXP PCF8523 RTC module now online and secure a highly accurate, low-power timing solution for industrial applications. With versatile alarm, timer functionalities, and seamless backup power switching, this module guarantees continuous and precise timekeeping even during power failures. Its I2C interface simplifies integration into your systems. Order today to enhance your clock and metering systems with dependable, easily configurable real-time clock modules, ensuring operational reliability and peace of mind in demanding industrial environments.

Order your NXP PCF8523 realtime clock module today and ensure precise timing and reliable power management for your industrial projects.

Frequently Asked Questions

Where can I buy NXP PCF8523T1118?

You can click on the BUY or RFQ button to purchase PCF8523T1118 from an authorized NXP distributor.

How do I troubleshoot issues or seek technical support for part PCF8523T1118?

You can download the PCF8523T1118 datasheet or visit the NXP website for support.

Who is the manufacturer of PCF8523T1118?

NXP

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