RA-4565SA:B3 ROHS

Real Time Clock Overview

The RA-4565SA:B3:ROHS is a real-time clock module manufactured by Seiko Epson Corporation, designed for automotive applications with an extended operating temperature range of -40°C to +125°C. It features a built-in frequency-adjusted 32.768 kHz crystal unit and communicates via a 4-wire serial interface (SPI). The device supports a wide operating voltage range from 1.6 V to 5.5 V and includes functions such as clock/calendar, auto leap year correction, and alarm interrupts. It is housed in a PDSO14 package.

Real Time Clock Feature Summary

• Built-in frequency adjusted 32.768 kHz crystal unit
• 4-wire serial interface (SPI) communication
• Wide operating voltage range: 1.6 V to 5.5 V
• Extended operating temperature range: -40°C to +125°C

Real Time Clock Applications

• Car audio systems
• Car navigation systems
• ECU sub clocks

Real Time Clock Part Context

This component belongs to the RA-4565 series of real-time clock modules specifically engineered for automotive environments. The manufacturer identifies this variant under product numbers such as RA-4565SA:Q41A46552xxxx00, indicating its classification within Epson's automotive-grade timing solutions.