DS1306EN+T&R Overview
real time clocks is located in package 20-TSSOP (0.173, 4.40mm Width).As of Tape & Reel (TR), time clock is packaged in this way.There is 2V~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, Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger can be ensured.DS1306 are the family name of RTCs .As far as the supply voltage for this electrical digital time clock is concerned, it is 2V~5.5V.For the purpose of storing data and programs, the RTC times are embedded with a storage capacity of 96B.Mounting type Surface Mount matches the RTC module.A total of 20 pins are attached to this real time clock.RTC time is advisable to operate at a temperature above -40°C.85°C is the optimal operating temperature.With the minimal voltage of 2V, real time clocks are capable of operating.This real time clock operates with a max supply voltage of 5.5V.
DS1306EN+T&R Features
20-TSSOP (0.173, 4.40mm Width) package

DS1306EN+T&R Applications
There are a lot of Maxim Integrated
DS1306EN+T&R 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

Factory Lead Time	6 Weeks
Contact Plating	Tin
Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	20-TSSOP (0.173, 4.40mm Width)
Number of Pins	20
Supplier Device Package	20-TSSOP
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
Published	2002
Feature	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Clock/Calendar
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Voltage - Supply	2V~5.5V
Base Part Number	DS1306
Interface	SPI
Max Supply Voltage	5.5V
Min Supply Voltage	2V
Memory Size	96B
Logic Function	Clock
Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	25.3μA~81μA @ 2V~5V
Voltage - Supply, Battery	2V~5.5V
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free