| PartNumber | PCF8523T/1,118 | PCF8523TK/1,118 | PCF8523TS/1,112 |
| Description | Real Time Clock REAL-TIME CLOCK RTC IC | Real Time Clock REAL-TIME CLOCK RTC IC | Real Time Clock REAL-TIME CLOCK (RTC) AND CALENDAR |
| Manufacturer | NXP | NXP | NXP Semiconductors |
| Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
| RoHS | 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 | Tube Alternate Packaging |
| Function | Alarm, Calendar, Clock, Interrupt | Alarm, Calendar, Clock, Interrupt | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Brand | NXP Semiconductors | NXP Semiconductors | - |
| Operating Supply Current | 150 nA | 150 nA | - |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 2500 | 6000 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | 935293581118 | 935293573118 | - |
| Unit Weight | 0.002628 oz | 0.001495 oz | - |
| Series | - | - | - |
| Type | - | - | Clock/Calendar |
| Package Case | - | - | 14-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Alarm, Leap Year, Watchdog Timer |
| Interface | - | - | I2C, 2-Wire Serial |
| Voltage Supply | - | - | 1.6 V ~ 5.5 V |
| Supplier Device Package | - | - | 14-TSSOP |
| Memory Size | - | - | - |
| Time Format | - | - | HH:MM:SS (12/24 hr) |
| Date Format | - | - | YY-MM-DD-dd |
| Voltage Supply Battery | - | - | 1.8 V ~ 5.5 V |
| Current Timekeeping Max | - | - | 0.5μA @ 2V ~ 5V |