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| | IC RTC CLK/CALENDAR SER 22-SON | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | -40°C ~ 85°C | 1.6V ~ 5.5V | - | - | 3-Wire Serial | RX-4571NB | Clock/Calendar | Alarm, Leap Year | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 0.95µA ~ 1µA @ 3V ~ 5V | 22-LFDFN | 22-SON (5x6) | - |
| | IC REAL TIME CLOCK/CALENDAR | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | -40°C ~ 85°C | 1.6V ~ 5.5V | - | - | 3-Wire Serial | RX-4571NB | Clock/Calendar | Alarm, Leap Year | - | - | - | 0.95µA ~ 1µA @ 3V ~ 5V | 22-LFDFN | 22-SON (6.3x4.8) | - |
| | RTC SON 22PIN 5+/-23PPM ANY TR | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | -40°C ~ 85°C | 1.6V ~ 5.5V | - | - | 3-Wire Serial | RX-4571NB | Clock/Calendar | Alarm, Leap Year | - | - | - | 0.95µA ~ 1µA @ 3V ~ 5V | 22-SMD, 20 Leads, Flat Leads | 22-SON (6.3x4.8) | - |