RTC-4543SB:A Overview
A package named 18-SOIC (0.209, 5.30mm Width) contains real time clocks.Bulk is the packaging method.There is 2.5V~5.5V supply voltage for this electrical RTC.Electrical real time clocks of this type are Clock/Calendar.real time clock (RTC)s like this are mounted in the way of Surface Mount.-40°C~85°C is the operating temperature.When operating, you can ensure Leap Year.Mounting type for the RTC module is Surface Mount.A temperature above -40°C is recommended for operation.Lower than 85°C is the recommended operating temperature.
RTC-4543SB:A Features
18-SOIC (0.209, 5.30mm Width) package

RTC-4543SB:A Applications
There are a lot of EPSON
RTC-4543SB:A Real Time Clocks applications.

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

Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	18-SOIC (0.209, 5.30mm Width)
Supplier Device Package	18-SOP
Operating Temperature	-40°C~85°C
Packaging	Bulk
Feature	Leap Year
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Clock/Calendar
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Voltage - Supply	2.5V~5.5V
Interface	3-Wire Serial
Time Format	HH:MM:SS (24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	1μA~3μA @ 2V~5V
RoHS Status	Non-RoHS Compliant