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| PartNumber | RTC-4543SA:A0 | RTC-4543SA:A ROHS | RTC-4543SA:A0:ROHS |
| Description | IC RTC CLK/CALENDAR SER 14-SOIC | Real Time Clock SOP 14 Pin 5 +/-23ppm -40C +85C | Real Time Clock 32.768KHz 2.5-5.5V 5+/-12ppm |
| Manufacturer | - | Epson Timing | EPSON |
| Product Category | - | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| Series | - | - | - |
| Product | - | - | Real Time Clocks |
| Type | - | - | Clock/Calendar |
| Packaging | - | - | Digi-ReelR Alternate Packaging |
| Unit Weight | - | - | 0.011923 oz |
| Mounting Style | - | - | SMD/SMT |
| Package Case | - | - | SOIC-14 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Leap Year |
| Function | - | - | Calendar Clock |
| Interface | - | - | 3-Wire Serial |
| Voltage Supply | - | - | 2.5 V ~ 5.5 V |
| Supplier Device Package | - | - | 14-SOP |
| Memory Size | - | - | - |
| Time Format | - | - | HH:MM:SS (24 hr) |
| Date Format | - | - | YY-MM-DD-dd |
| Voltage Supply Battery | - | - | - |
| Current Timekeeping Max | - | - | 1μA ~ 3μA @ 2V ~ 5V |
| Maximum Operating Temperature | - | - | + 85 C |
| Minimum Operating Temperature | - | - | - 40 C |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 2.5 V |
| RTC Bus Interface | - | - | Serial 3-Wire |