RX-4045NB:AAB PURE SN

$6.60

Description：IC RTC CLK/CALENDAR SER 22SON
Series：RX-4045NB

SKU:1d983928fb1d Category: Real Time Clocks Brand: EPSON

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Product introduction

RX-4045NB:AAB PURE SN is listed in the Real Time Clock range at ChipApex. The manufacturer field lists EPSON. Its product description is IC RTC CLK/CALENDAR SER 22SON. Review the specifications below when checking this part for your BOM.

Real Time Clock specifications for RX-4045NB:AAB PURE SN

Description：IC RTC CLK/CALENDAR SER 22SON
Series：RX-4045NB
Package：Strip
Mfr：EPSON
Type：Clock/Calendar
Features：Alarm
Memory Size：-
Time Format：HH:MM:SS
Date Format：YY-MM-DD-dd
Interface：4-Wire Serial
Voltage - Supply：1.7V ~ 5.5V
Voltage - Supply, Battery：-
Current - Timekeeping (Max)：1.2µA ~ 1.8µA @ 3V ~ 5V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Grade：-
Qualification：-
Package / Case：22-LFDFN
Supplier Device Package：22-SON (6.3x4.8)

Real Time Clock datasheet and documents for RX-4045NB:AAB PURE SN

RX-4045NB:AAB PURE SN

Real Time Clock Overview

The RX-4045NB:AAB PURE SN is a Real Time Clock (RTC) IC manufactured by Epson Timing. It features an SPI interface and supports date formats including YY-MM-DD-dd and time formats in both 12-hour and 24-hour modes. The device operates within a supply voltage range of 1.7V to 5.5V, with maximum current consumption ranging from 1.2µA to 1.8µA at 3V to 5V. It is housed in a 22-SMD package with 20 flat leads (22-SON, 6.3x4.8mm). The component includes alarm functions and leap year correction capabilities, operating reliably across a temperature range of -40°C to +85°C.

Real Time Clock Feature Summary

SPI interface for clock/calendar data access
Supply voltage range of 1.7V to 5.5V
Low power consumption: 1.2µA ~ 1.8µA @ 3V ~ 5V
Integrated alarm and leap year correction

Real Time Clock Applications

Industrial control systems requiring precise timekeeping
Consumer electronics with low-power RTC needs
Automotive infotainment and monitoring modules

Real Time Clock Procurement Notes

This component is marked as obsolete and no longer manufactured. Verification of availability should focus on distributor stock or approved substitutes. Check for End-of-Life notifications and ensure compliance with RoHS3 standards if required for the specific application environment.

Real Time Clock Selection Notes

Select this part only if legacy compatibility is required due to its discontinued status. Verify that the SPI interface and 22-SON package dimensions fit the PCB layout. Consider the 1.7V to 5.5V operating range to ensure compatibility with the system's power rails.

Real Time Clock Part Context

Part of the RX-4045NB series from Epson Timing. This series is designed for general-purpose real-time clock applications. The model shares characteristics with other variants in the RX-4045 family but is distinguished by its specific pinout and interface configuration.