RTC-4543SA:A0:PURE SN

Real Time Clock Overview

The Epson RTC-4543SA is a real-time clock module designed for precise timekeeping in electronic systems. It features an integrated quartz crystal and battery holder, ensuring accurate operation without external components. The device communicates via the I2C bus interface, allowing for efficient data exchange with host microcontrollers. It operates within standard voltage ranges and maintains timekeeping functionality even during power loss when connected to a backup power source. This component is suitable for applications requiring reliable date and time tracking.

Real Time Clock Feature Summary

• Integrated quartz crystal oscillator for stable frequency generation
• I2C serial interface for simple communication with host processors
• Built-in battery holder for continuous timekeeping during power interruptions
• Compact surface-mount package design for space-constrained PCB layouts

Real Time Clock Applications

• Consumer electronics requiring real-time clock functions
• Industrial control systems needing timestamping capabilities
• Automotive infotainment and monitoring units
• Medical devices with logging requirements

Real Time Clock Procurement Notes

Verify the specific suffix A0:PURE SN against official Epson documentation to confirm material compliance and packaging details. Ensure compatibility with your system's I2C voltage levels and address configuration before integration. Consult authorized distributors for current availability and lead times as supply chain conditions may vary.

Real Time Clock Selection Notes

Select this module when a compact, low-power real-time solution is required. Consider the I2C interface compatibility with your main processor. Evaluate the need for internal vs. external battery backup based on system power management strategies. Confirm operating temperature range meets your application environment specifications.

Real Time Clock Part Context

This part belongs to Epson's lineup of timing components, which includes oscillators and real-time clocks. These modules are engineered for reliability and precision in various digital systems. The RTC series typically offers easy integration through standard serial interfaces, supporting diverse applications from consumer goods to industrial equipment.

Real Time Clock Replacement Considerations

Check for direct pin-to-pin replacements or compatible I2C RTC modules from other manufacturers if this part is discontinued. Ensure any substitute matches the voltage, interface protocol, and accuracy specifications. Verify that the alternative component supports the same battery backup configuration.