RTC-63421B Overview
There is an embedded version of real time clocks in the package 18-DIP (0.300, 7.62mm).This package has a package type of Tube.Electrical RTCs such as this have a 4.5V~5.5V supply.In this case, we are dealing with an electrical real time clock that has a type of Clock/Calendar.It should be noted that the real time clock (RTC) is mounted in the way of Through Hole.Electronic time clocks are recommended to operate at a temperature of -40°C~85°C.If Alarm is ensured when operating, then the operation will be successful.
RTC-63421B Features
18-DIP (0.300, 7.62mm) package

RTC-63421B Applications
There are a lot of EPSON
RTC-63421B Real Time Clocks applications.

Printers
Copy machines
Mobile equipment
Battery powered devices
Printers and copiers
Electronic metering
Digital cameras
White goods
Elapsed time counter
Network powered devices

Mounting Type	Through Hole
Package / Case	18-DIP (0.300, 7.62mm)
Supplier Device Package	18-DIP
Operating Temperature	-40°C~85°C
Packaging	Tube
Feature	Alarm
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Clock/Calendar
Voltage - Supply	4.5V~5.5V
Interface	Parallel
Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd
RoHS Status	Non-RoHS Compliant