| PartNumber | RX8900SA:UB0 PURE SN | RX8900SA:UA3 PURE SN | RX8900SA:UA0 PURE SN |
| Description | IC RTC CLK/CALENDAR I2C 14-SOP | IC RTC CLK/CALENDAR I2C 14-SOP | IC RTC CLK/CALENDAR I2C 14-SOP |
| Manufacturer | EPSON | - | - |
| Product Category | Clock/Timing - Real Time Clocks | - | - |
| Series | - | - | - |
| Type | Clock/Calendar | - | - |
| Packaging | Tape & Reel (TR) | - | - |
| Package Case | 14-SOIC (0.209", 5.30mm Width) | - | - |
| Operating Temperature | -40°C ~ 85°C | - | - |
| Mounting Type | Surface Mount | - | - |
| Features | Alarm | - | - |
| Interface | I2C, 2-Wire Serial | - | - |
| Voltage Supply | 2.5 V ~ 5.5 V | - | - |
| Supplier Device Package | 14-SOIC | - | - |
| Memory Size | - | - | - |
| Time Format | HH:MM:SS (24 hr) | - | - |
| Date Format | YY-MM-DD-dd | - | - |
| Voltage Supply Battery | 1.6 V ~ 5.5 V | - | - |
| Current Timekeeping Max | 1.35μA ~ 1.45μA @ 3V ~ 5V | - | - |