R2221L-E2 Overview
There is an embedded version in the package QFN-12.Packaged as Reel.This electrical real time clock is of type CMOS Real-Time Clock and Calendar.Real-time clocks belonging to the R2221L series are this type.
R2221L-E2 Features
QFN-12 package
R2221L series

R2221L-E2 Applications
There are a lot of Nisshinbo
R2221L-E2 Real Time Clocks applications.

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

Package / Case	QFN-12
Mounting Style	SMD/SMT
RoHS	Details
Battery Backup Switching	No Backup Switching
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Qualification	MIL-PRF-55681
Packaging	Reel
Series	R2221L
Type	CMOS Real-Time Clock and Calendar
Capacitance	0.0015 uF
Function	Alarm, Calendar, Clock, Timer Interrupt
Time Format	BCD
Date Format	BCD format
Product Length	2.03 mm
Product Width	2.03 x 1.27 x 1.4