DS1305EN+T&R Overview
The package 20-TSSOP (0.173, 4.40mm Width) contains real time clocks.The package is in the form of Tape & Reel (TR).This electrical RTC has a supply voltage of 2V~5.5V.This electrical real time clock has the type Clock/Calendar.Surface Mount is the way this real time clock (RTC) is mounted.Electronic time clocks are recommended that the operating temperature be -40°C~85°C.When operating, Alarm, Leap Year, NVSRAM, Trickle-Charger can be ensured.The family RTCs belongs to are DS1305.This electrical digital time clock has a 2V~5.5V supply voltage.For storing data and programs, the RTC times embed a memory of 96B.Surface Mount is the mounting type of the RTC module.It is equipped with 20 pins.Ideally, the operating temperature should be higher than -40°C.Ideally, the operating temperature should be lower than 85°C.The minimal supply voltage is 2V.A maximum supply voltage of 5.5V is used.
DS1305EN+T&R Features
20-TSSOP (0.173, 4.40mm Width) package

DS1305EN+T&R Applications
There are a lot of Maxim Integrated
DS1305EN+T&R Real Time Clocks applications.

Portable instruments
Electronic metering
Battery powered products
Automotive
Industrial
Digital still camera
Digital video camera
Printers
Copy machines
Mobile equipment

Factory Lead Time	6 Weeks
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, 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	DS1305
Voltage	5V
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
Height	950μm
Length	6.6mm
Width	4.5mm
REACH SVHC	Unknown
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free