| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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6,000 pcs
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6000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The PCF2123BS/1,518 from NXP Semiconductors is a CMOS Real-Time Clock (RTC) and calendar optimized for low-power applications. It communicates via a 3-line SPI-bus with a maximum data rate of 6.25 Mbit/s. This device provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal.
Key features include a watchdog functionality, a freely programmable timer and alarm with interrupt capability, and integrated oscillator load capacitors. The operating voltage ranges from 1.1 V to 5.5 V, with a typical low backup current of 100 nA at 2.0 V and 25°C. The resolution spans from seconds to years.
This RTC is suitable for time-keeping applications, battery-powered devices, metering, high-duration timers, daily alarms, and other low standby power applications. It is available in a 16-HVQFN package with surface mount mounting type.
The PCF2123BS/1,518 supports both 12-hour and 24-hour time formats and a YY-MM-DD-dd date format. It also includes an offset register for frequency adjustment and an internal Power-On Reset (POR) circuit.
| Qty | Low | High |
|---|---|---|
| 1+ | $5.21 | $5.21 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The clock operating voltage is 1.1 V to 5.5 V.
The operating temperature range is -40°C to 85°C.
It uses a 3-line SPI-bus interface.
Yes, it includes watchdog functionality.
It is available in a 16-HVQFN Exposed Pad package.