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See Product Specifications
| Part Number: | PCF2123TS/1,112 | 
| Category: | Integrated Circuits (ICs) | 
| Subcategory: | Clock/Timing - Real Time Clocks | 
| Manufacturer: | NXP USA Inc. | 
| Packaging: | Tube | 
| Product Status: | Active | 
| Type: | Clock/Calendar | 
| Features: | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 
| Memory Size: | - | 
| Time Format: | HH:MM:SS (12/24 hr) | 
| Date Format: | YY-MM-DD-dd | 
| Interface: | SPI | 
| Voltage - Supply: | 1.6V ~ 5.5V | 
| Voltage - Supply, Battery: | - | 
| Current - Timekeeping (Max): | 0.33µA ~ 0.38µA @ 2V ~ 5V | 
| Operating Temperature: | -40°C ~ 85°C | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 14-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package: | 14-TSSOP |