RTC-4701JE:B ROHS

Real Time Clock Overview

The RTC-4701JE is a Real-Time Clock (RTC) integrated circuit manufactured by Epson, designed for automotive applications. It features a 32.768 kHz frequency output function with CMOS output and includes a control pin. The device provides time and calendar functions along with various interrupt capabilities. Data transfer is handled via a bidirectional serial data input/output pin. The FOUT pin serves as the output for the 32.768 kHz signal, while FOE acts as an input to control this output state.

Real Time Clock Feature Summary

• Provides accurate time and calendar tracking functionality
• Generates a stable 32.768 kHz clock signal output
• Supports serial data transfer through bidirectional I/O pins
• Includes multiple interrupt options for system management

Real Time Clock Applications

• Car Multimedia systems
• Body Electronics modules
• Remote Keyless Entry systems

Real Time Clock Procurement Notes

Verify the specific ordering suffix 'B' indicates RoHS compliance status as per official Epson documentation. Confirm package type details, such as LSSOJ dimensions, against the manufacturer datasheet to ensure mechanical compatibility. Cross-reference the part number with authorized distributors to validate authenticity and traceability before procurement.

Real Time Clock Selection Notes

Select this component for designs requiring dedicated automotive-grade real-time clocking. Ensure the interface requirements match the bidirectional serial data protocol. Verify that the available interrupts align with the system's power management and wake-up needs. Consider the physical footprint constraints relative to the specified package width when laying out the PCB.

Real Time Clock Part Context

This part belongs to Epson's series of real-time clock modules intended for robust electronic environments. It integrates clock generation and timekeeping logic into a single chip, reducing component count compared to discrete solutions. The design focuses on reliability and low power consumption suitable for continuous operation in vehicle electronics.

Real Time Clock Replacement Considerations

Consult Epson's official substitution guide for direct equivalents. Generic RTC replacements may not support the specific automotive qualification or interface timing characteristics. Verify electrical compatibility and pin assignment before swapping with other manufacturers' parts.

Real Time Clock FAQ

What is the primary output frequency of the RTC-4701JE?

The device outputs a 32.768 kHz signal via the FOUT pin.

How is data transferred between the RTC-4701JE and the host microcontroller?

Data is transferred using a bidirectional serial data input/output pin.