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| PartNumber | RTC-4543SA:A0 | RTC-4543SA:A0:ROHS | RTC-4543SA:A0 ROHS |
| Description | IC RTC CLK/CALENDAR SER 14-SOIC | Real Time Clock 32.768KHz 2.5-5.5V 5+/-12ppm | Real Time Clock Serial Clock/Calendar 14-Pin SOP T/R |
| Manufacturer | - | EPSON | - |
| Product Category | - | 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 | - |