RTC-72421B: PURE SN Overview
18-DIP (0.300, 7.62mm) contains real time clocks.Its supply voltage is 4.5V~5.5V.It is a Clock/Calendar type electrical real time clock.A part of this electronic RTC module is mounted in the way of Through Hole.Electronic time clocks should be -10°C~70°C degrees Celsius during operation.Electronic time clocks are possible to guarantee Leap Year when operating.In the RTC-72421 series, it is a type of real time clock.
RTC-72421B: PURE SN Features
18-DIP (0.300, 7.62mm) package
RTC-72421 series

RTC-72421B: PURE SN Applications
There are a lot of EPSON
RTC-72421B: PURE SN Real Time Clocks applications.

Battery powered products
Automotive
Industrial
Digital still camera
Digital video camera
Printers
Copy machines
Mobile equipment
Battery powered devices
Printers and copiers

Mounting Type	Through Hole
Package / Case	18-DIP (0.300, 7.62mm)
Operating Temperature	-10°C~70°C
Series	RTC-72421
Feature	Leap Year
Part Status	Not For New Designs
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)
Current - Timekeeping (Max)	5μA~10μA @ 2V~5V
RoHS Status	ROHS3 Compliant