RTC-4574SA:B:PURE SN

Real Time Clock Overview

The RTC-4574SA:B:PURE SN is a Real Time Clock (RTC) integrated circuit manufactured by Epson Timing. It features a serial interface and provides clock/calendar functionality with alarm capabilities. The device operates within a supply voltage range of 1.6V to 5.5V and consumes a maximum current of 1µA to 2µA at 3V to 5V during timing operations. It supports date formats including YY-MM-DD-dd and time formats in HH:MM:SS (24-hour). The component is housed in a 14-SOP package and is rated for an operating temperature range of -40°C to 85°C.

Real Time Clock Feature Summary

• Integrated Real Time Clock with calendar and alarm functions
• Serial interface communication
• Low power consumption: 1µA ~ 2µA @ 3V ~ 5V
• Wide supply voltage range: 1.6V ~ 5.5V

Real Time Clock Applications

• Clock/Calendar ICs
• General purpose timing applications

Real Time Clock Procurement Notes

This component is listed as End-of-Life (EOL) and discontinued by the manufacturer. Availability is restricted, and distributors may not stock this item in all regions. Verification of current lifecycle status and potential obsolescence is required before procurement planning.

Real Time Clock Selection Notes

Select this part for applications requiring a low-power serial RTC with a 14-SOP footprint. Ensure the design supports the 1.6V to 5.5V supply range and the specified operating temperature of -40°C to 85°C. Due to its discontinued status, alternative components should be evaluated for long-term production needs.

Real Time Clock Part Context

The RTC-4574SA series belongs to Epson's line of real-time clock modules. This specific variant utilizes a serial interface and is packaged in a 14-pin Small Outline Package (SOP). It is part of a broader family that includes variants with different interfaces and packages, such as the RX-4574LC series.

Real Time Clock Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult official replacement guides or contact the manufacturer for qualified alternatives.