1338C-31SRI8 Overview
real time clocks is located in package 16-SOIC (0.295, 7.50mm Width).As of Tape & Reel (TR), time clock is packaged in this way.There is 3.3V~5.5V voltage supply for this electrical RTC.It can be said that this electrical real time clock belongs to the Clock/Calendar type.The real time clock (RTC) that is mounted in the way of Surface Mount is connected to this circuit board.In order to operate properly, the temperature should be -40°C~85°C.During the course of operation, Leap Year, NVSRAM, Square Wave Output can be ensured.IDT1338 are the family name of RTCs .As far as the supply voltage for this electrical digital time clock is concerned, it is 1.3V~3.7V.For the purpose of storing data and programs, the RTC times are embedded with a storage capacity of 56B.
1338C-31SRI8 Features
16-SOIC (0.295, 7.50mm Width) package

1338C-31SRI8 Applications
There are a lot of Renesas Electronics America Inc.
1338C-31SRI8 Real Time Clocks applications.

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

Mounting Type	Surface Mount
Package / Case	16-SOIC (0.295, 7.50mm Width)
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
Feature	Leap Year, NVSRAM, Square Wave Output
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Type	Clock/Calendar
Voltage - Supply	3.3V~5.5V
Base Part Number	IDT1338
Interface	I2C, 2-Wire Serial
Memory Size	56B
Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	5μA @ 3.63V~5.5V
Voltage - Supply, Battery	1.3V~3.7V
RoHS Status	Non-RoHS Compliant