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| PartNumber | RX-8581SA:B3:PURE SN | RX8581SA-B3 | RX-8581SA:B3:ROHS |
| Description | Real Time Clock 32.768KHz 3.0Volts 5+/-23ppm -40C +85C | Real Time Clock 32.768KHz 3.0Volts 5+/-23ppm -40C +85C | |
| Manufacturer | Epson | EPSON | EPSON |
| Product Category | Real Time Clock | IC Chips | Clock/Timing - Real Time Clocks |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | SOP-14 | - | - |
| RTC Bus Interface | I2C | - | I2C-Bus |
| Battery Backup Switching | No Backup Switching | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 1.8 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 85 C | - | + 85 C |
| Packaging | Reel | - | Digi-ReelR Alternate Packaging |
| Product | Real Time Clock Module | - | Real Time Clocks |
| Series | RX-8581 | - | - |
| Brand | Epson Timing | - | - |
| Product Type | Real Time Clock | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Type | - | - | Clock/Calendar |
| Unit Weight | - | - | 0.008501 oz |
| Package Case | - | - | SOP-14 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Alarm, Leap Year |
| Function | - | - | Alarm Calendar Clock |
| Interface | - | - | I2C, 2-Wire Serial |
| Voltage Supply | - | - | 1.8 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 | - | - | 0.8μA ~ 1.2μA @ 3V ~ 5V |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 1.8 V |