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| PartNumber | PCF8523T/1,118 | PCF8523TK/1,118 | PCF8523AUG/HAV |
| Description | Real Time Clock REAL-TIME CLOCK RTC IC | Real Time Clock REAL-TIME CLOCK RTC IC | Real Time Clock RTC IC |
| Manufacturer | NXP | NXP | NXP |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 | HVSON-8 | - |
| RTC Bus Interface | Serial, I2C | Serial, I2C | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 1.6 V | 1.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Reel | Bulk |
| Function | Alarm, Calendar, Clock, Interrupt | Alarm, Calendar, Clock, Interrupt | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Operating Supply Current | 150 nA | 150 nA | - |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clock |
| Factory Pack Quantity | 2500 | 6000 | 23730 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Part # Aliases | 935293581118 | 935293573118 | 935302835005 |
| Unit Weight | 0.002628 oz | 0.001495 oz | - |