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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PT7C4337LEX | Diodes Incorporated | REAL-TIME CLOCK IC | - | - | - | - | - | - | - | - | - | |
| RTC-72421B: PURE SN | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - | |
| RX-4035LC:B3 PURE SN | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - | |
| RTC-7301SF:B0 ROHS | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - | |
| RX-4803LC:AA3 PURE SN | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - | |
| PT7C4563BUEX | Diodes Incorporated | REAL TIME CLOCK MSOP-8 T&R 2.5K | - | - | - | - | - | - | - | - | - | |
| RX-8801SA: UA PURE SN | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - | |
| RX-4803SA:UA3 PURE SN | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - | |
| RX-8035SA:AA PURE SN | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - | |
| RX-4801SA:UB0 PURE SN | Epson | IC TRC CLK/CALENDAR | - | - | - | - | - | - | - | - | - |
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.