RX8111CE B3 vs MAX31341EWC+T
| Part Number |
|
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| Category | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| Manufacturer | Epson | Maxim Integrated |
| Description | IC RTC CLK/CALENDAR I2C SMD | IC REAL TIME CLK LO CURRENT W/I2 |
| Package | Tape & Reel (TR) | Cut Tape (CT) |
| Series | RX8111CE | - |
| Type | Clock/Calendar | - |
| Features | Alarm, RAM | - |
| Time Format | HH:MM:SS | - |
| Date Format | YY-MM-DD | - |
| Interface | I²C | - |
| Voltage - Supply | 1.6V ~ 5.5V | - |
| Current - Timekeeping (Max) | 3µA @ 3V | - |
| Operating Temperature | -40°C ~ 85°C (TA) | - |
| Mounting Type | Surface Mount | - |
| Package / Case | 10-SMD, No Lead | - |
| Supplier Device Package | 10-SMD | - |
| Memory Size | - | - |
| Voltage - Supply, Battery | - | - |
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1. What is Real Time Clock (RTC)?
Real time clock is an integrated circuit (IC) that can provide the current date and time, and can maintain time updates even after the device is powered off. It is commonly used in embedded systems, computers, handheld devices, etc.
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2. How does a real-time clock work?
RTC is usually driven by a low-power oscillator (such as a quartz crystal oscillator) and powered by an independent power source (such as a battery), which can continuously time even when the main power supply is off.
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3. Why do devices require real-time clocks?
Real time clocks are used to record and maintain accurate time and date, especially in the event of equipment power failure. It is very important in applications that require timestamps, scheduled events, scheduled logs, and so on.
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4. How accurate is the real-time clock?
The accuracy of RTC usually depends on the clock source used (such as a crystal oscillator), and most RTC accuracies range from a few seconds to a few minutes per month. For higher precision, a temperature compensated crystal oscillator (TCXO) can be used.
