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| | IC REAL TIME CLOCK/CALENDAR | | 联系我们 | PCB Symbol, Footprint & 3D Model | I²C | Surface Mount | -40°C ~ 85°C | - | 1.8V ~ 5.5V | Alarm | - | - | RX-8581NB | Clock/Calendar | - | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | 22-LFDFN | 22-SON (6.3x4.8) | - |
| | IC RTC CLK/CALENDAR I2C 22-SON | | 联系我们 | PCB Symbol, Footprint & 3D Model | I²C, 2-Wire Serial | Surface Mount | -40°C ~ 85°C | - | 1.8V ~ 5.5V | Alarm, Leap Year | - | HH:MM:SS (24 hr) | RX-8581NB | Clock/Calendar | YY-MM-DD-dd | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | 22-SMD, 20 Leads, Flat Leads | 22-SON | - |
| | IC RTC CLK/CALENDAR I2C 22-SON | | 联系我们 | PCB Symbol, Footprint & 3D Model | I²C, 2-Wire Serial | Surface Mount | -40°C ~ 85°C | - | 1.8V ~ 5.5V | Alarm, Leap Year | - | HH:MM:SS (24 hr) | RX-8581NB | Clock/Calendar | YY-MM-DD-dd | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | 22-LFDFN | 22-SON (5x6) | - |
| | IC RTC CLK/CALENDAR I2C 22-SON | | 联系我们 | PCB Symbol, Footprint & 3D Model | I²C, 2-Wire Serial | Surface Mount | -40°C ~ 85°C | - | 1.8V ~ 5.5V | Alarm, Leap Year | - | HH:MM:SS (24 hr) | RX-8581NB | Clock/Calendar | YY-MM-DD-dd | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | 22-SMD, 20 Leads, Flat Leads | 22-SON | - |
| | IC REAL TIME CLOCK/CALENDAR | | 联系我们 | PCB Symbol, Footprint & 3D Model | I²C | Surface Mount | -40°C ~ 85°C | - | 1.8V ~ 5.5V | Alarm | - | - | RX-8581NB | Clock/Calendar | - | - | 0.8µA ~ 1.2µA @ 3V ~ 5V | 22-LFDFN | 22-SON (6.3x4.8) | - |