RTC-72421A The Epson RTC-72421A is a Clock/Calendar type real-time clock module. It operates within a supply voltage range of 4.5V to 5.5V and has an operating temperature range of -10°C to 70°C.
Mfr Part #:

RTC-72421A

Available from 1 distributors
Mfr Name: Epson
Epson
The Epson RTC-72421A is a Clock/Calendar type real-time clock module. It operates within a supply voltage range of 4.5V to 5.5V and has an operating temperature range of -10°C to 70°C.
Total Stock: 23,100 pcs
$ Price Range: $5.21

RTC-72421A Available from 1 distributor

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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23,100 pcs
23100 pcs On Request 1 On Request On Request 09+/10+ On Request On Request

RTC-72421A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Input Voltage
Interface
Lead Style
Mounting Type
Operating Temperature
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Supplier Device Package
Supply Voltage
Time Format
Type
Voltage

RTC-72421A Description

Short technical summary and product information.

The Epson RTC-72421A is a real-time clock module designed for applications requiring accurate timekeeping. This Clock/Calendar type device features leap year functionality and operates with a supply voltage between 4.5V and 5.5V.

 

Key electrical specifications include a typical current consumption of 10 μA at 5V and 5 μA at 2V. The operating temperature range for this module is -10°C to 70°C, making it suitable for a variety of environments. It supports both 12/24 hour time formats and a YY-MM-DD-dd date format.

 

Packaged in an 18-DIP through-hole configuration, the RTC-72421A is designed for easy integration into circuit boards. The module's specifications indicate a frequency precision of ±10 × 10^-6 for the 72421A variant under specific conditions.

 

This real-time clock module is ideal for embedded systems, data loggers, and any application where maintaining accurate date and time is critical. Its parallel interface simplifies integration with microcontrollers.

RTC-72421A Quick Information

Product Type: Real Time Clock Module
Series: RTC-72421
Canonical Name: Epson RTC-72421A Clock/Calendar Real Time Clock Module
Subcategory: Real Time Clocks

RTC-72421A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

RTC-72421A Estimated Pricing

Qty Low High
1+ $5.21 $5.21

Estimated market price range - modelled values for guidance only, not live distributor offers.

RTC-72421A Features

  • Supports leap year functionality.
  • Operates from 4.5V to 5.5V supply.
  • Wide -10°C to 70°C operating temperature.
  • 12/24 hour time format support.
  • 18-DIP through-hole package.

RTC-72421A Applications

  • Ideal for embedded systems.
  • Suitable for data logging applications.
  • Used in systems requiring accurate time.
  • Facilitates date and time tracking.

RTC-72421A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the Epson RTC-72421A?

The operating voltage range is 4.5V to 5.5V.

What is the operating temperature range for the RTC-72421A?

The operating temperature range is -10°C to 70°C.

What package type is the RTC-72421A available in?

The RTC-72421A is available in an 18-DIP package.

Does the RTC-72421A support leap year calculations?

Yes, the RTC-72421A features leap year support.

What is the typical current consumption of the RTC-72421A at 5V?

The typical current consumption is 10 μA at 5V.

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