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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | RoHS Status | Manufacturer Part Number | Type | Voltage - Supply | Shell Style |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PT7C433833WEX | Texas Instruments | I2C AND LOW POWER RTC | - | - | Tape & Reel (TR) | Surface Mount | - | - | - | - | - | |
| PT7C4337UEX | Texas Instruments | IC RTC CLK/CALENDAR I2C MSOP | - | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | - | - | Clock/Calendar | 1.8 V ~ 5.5 V | - | |
| PT7C433833UEX | Texas Instruments | IC RTC CLK/CALENDAR I2C MSOP | - | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | - | - | Clock/Calendar | 2.7 V ~ 5.5 V | - | |
| PT7C4363WEX | Texas Instruments | REAL-TIME CLOCK IC I2C BUS | - | - | - | - | - | - | - | - | - | |
| PT7C4311WEX | Texas Instruments | IC RTC CLK/CALENDAR I2C 8-SOIC | - | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | - | - | Clock/Calendar | 1.2 V ~ 5.5 V | - | |
| PT7C433833AWEX | Texas Instruments | CLOCK VCXO SO-8 T&R 2.5K | - | -40°C ~ 85°C | Cut Tape (CT) | Surface Mount | - | - | Clock/Calendar | 2.7 V ~ 5.5 V | - | |
| PT7C43390WEX | Texas Instruments | IC RTC CLK/CALENDAR I2C 8-SOIC | - | -40°C ~ 85°C | Cut Tape (CT) | Surface Mount | - | - | Clock/Calendar | 1.3 V ~ 5.5 V | - | |
| PT7C4337UE | Texas Instruments | IC RTC CLK/CALENDAR I2C MSOP | - | -40°C ~ 85°C | Tube | Surface Mount | - | - | Clock/Calendar | 1.8 V ~ 5.5 V | - | |
| PT7C4563BUEX | Texas Instruments | REAL TIME CLOCK MSOP-8 T&R 2.5K | - | - | - | - | - | - | - | - | - | |
| PT7C4339UEX | Texas Instruments | LOW POWER CONSUMPTION I2C REAL T | - | - | - | - | - | - | - | - | - |
Real-time clocks (RTCs) are electronic devices that keep track of the current time and date with high accuracy, independent of external power sources. They typically include a built-in crystal oscillator and a battery backup to ensure continuous timekeeping even when the main power is off. RTCs are commonly used in applications such as consumer electronics, industrial automation, medical devices, and automotive systems where precise timekeeping is essential for scheduling tasks, logging events, and time-stamping data.