RTC-72421A Overview
In package 18-DIP (0.300, 7.62mm), real time clocks can be found.In this case, time clock is packaged in the way of Tube.A voltage of 4.5V~5.5V is supplied to this electrical RTC.Electrical real time clock type Clock/Calendar.There is an electronic component mounted in the way of Through Hole.Ideally, the operating temperature should be -10°C~70°C.During operation, the value of Leap Year can be ensured.A Through Hole mounting type is assigned to the RTC module.The real time clock is equipped with 18 pins.A high efficiency supply voltage should be maintained at 5V.-10°C is the minimum operating temperature.Operating temperatures should be below 70°C.In order for it to operate, real time clocks require a minimal supply voltage of 4.5V.The maximum voltage for the supply is 5.5V.
RTC-72421A Features
18-DIP (0.300, 7.62mm) package
Be maintained at 5V for high efficiency.

RTC-72421A Applications
There are a lot of EPSON
RTC-72421A Real Time Clocks applications.

Digital still camera
Digital video camera
Printers
Copy machines
Mobile equipment
Battery powered devices
Printers and copiers
Electronic metering
Digital cameras
White goods

Mount	Through Hole
Mounting Type	Through Hole
Package / Case	18-DIP (0.300, 7.62mm)
Number of Pins	18
Supplier Device Package	18-DIP
Operating Temperature	-10°C~70°C
Packaging	Tube
Feature	Leap Year
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Clock/Calendar
Max Operating Temperature	70°C
Min Operating Temperature	-10°C
Voltage - Supply	4.5V~5.5V
Operating Supply Voltage	5V
Interface	Parallel
Max Supply Voltage	5.5V
Min Supply Voltage	4.5V
Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	5μA~10μA @ 2V~5V
RoHS Status	Non-RoHS Compliant