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| PartNumber | PCF2129AT/2,518 | PCF2129AT2 | PCF2129AT/2,518-CUT TAPE |
| Description | Real Time Clock RTC IC | ||
| Manufacturer | NXP | - | - |
| Product Category | Real Time Clock | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOP-20 | - | - |
| RTC Bus Interface | Serial, I2C, SPI | - | - |
| Date Format | BCD format | - | - |
| Time Format | BCD format | - | - |
| Battery Backup Switching | Backup Switching | - | - |
| Supply Voltage Max | 4.2 V | - | - |
| Supply Voltage Min | 1.2 V | - | - |
| Minimum Operating Temperature | - 15 C | - | - |
| Maximum Operating Temperature | + 60 C | - | - |
| Packaging | Reel | - | - |
| Function | Alarm, Calendar, Clock, Timestop, Watchdog | - | - |
| Product | Real Time Clocks | - | - |
| Series | PCF2129AT | - | - |
| Brand | NXP Semiconductors | - | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Real Time Clock | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | 935295732518 | - | - |
| Unit Weight | 0.015873 oz | - | - |