| Part Number | PCF2123BS/1,518 | PCF2123BS/1,512 |
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. |
| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
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| Product Status | Active | Discontinued at Digi-Key |
| Type | Clock/Calendar | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, Watchdog Timer | Alarm, Leap Year, Square Wave Output, Watchdog Timer |
| Memory Size | - | - |
| Time Format | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | SPI | SPI |
| Voltage - Supply | 1.6V ~ 5.5V | 1.6V ~ 5.5V |
| Voltage - Supply, Battery | - | - |
| Current - Timekeeping (Max) | 0.33µA ~ 0.38µA @ 2V ~ 5V | 0.33µA ~ 0.38µA @ 2V ~ 5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-VFQFN Exposed Pad | 16-VFQFN Exposed Pad |
| Supplier Device Package | 16-HVQFN (3x3) | 16-HVQFN (3x3) |