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Electronic Components, Module
RX4901CE (RTC Module) – Seiko Epson Corp.
High stability, Low current consumption, Time stamp function
The RX4901CE is a RTC module with an integrated 32.768 kHz digital temperature compensated crystal oscillator (DTCXO). It includes various functions such as a time stamp function that can record up to 32 dates and times when an external or internal event occurs, as well as the basic RTC functions such as time and calendar, time alarm, wakeup timer, and time update interrupts. With the combination of an auto power switching function, which includes a control circuit to prevent reverse current to the main power supply, a continuous temperature-corrected 32.768 kHz clock generation, and Seiko Epson’s original low current consumption technology, the RX4901CE realizes long battery life on various systems.
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When selecting a module for your company’s needs, there are several important points to consider during the comparison and evaluation process.Common Comparison Points for Any Module
1. Functionality and Compatibility
Determine the specific functionality and compatibility requirements for your application. Identify the features and capabilities you need in a module and ensure compatibility with your existing systems or equipment.
2. Performance Specifications
Evaluate the performance specifications of the module. This includes parameters such as speed, accuracy, resolution, capacity, response time, and signal-to-noise ratio. Compare these specifications with your application requirements to ensure optimal performance.
3. Reliability and Quality
Consider the reliability and quality of the module. Look for modules from reputable manufacturers known for producing reliable and high-quality products. Check for certifications or standards compliance to ensure the module meets industry requirements.
4. Interface and Connectivity
Assess the interface and connectivity options of the module. Determine if it provides the necessary communication protocols, ports, and connectors to integrate with your existing systems or equipment. Consider compatibility with your data acquisition or control systems.
5. Power Requirements
Determine the power requirements of the module, including voltage levels and power consumption. Ensure that the module can be adequately powered and that it aligns with the available power sources in your facility.
6. Size and Form Factor
Evaluate the physical dimensions and form factor of the module. Consider the available space and mounting options in your system or equipment. Choose a module size and form factor that can be easily integrated.