DS1305E+T&R Overview
Real time clocks is embedded in the 20-TSSOP (0.173, 4.40mm Width) package.Time clock is packaged in the way of Tape & Reel (TR).The supply voltage of this electrical RTC is 2V~5.5V.The type of this electrical real time clock is Clock/Calendar.This real time clock (RTC) is mounted in the way of Surface Mount.The operating temperature should be 0°C~70°C.Alarm, Leap Year, NVSRAM, Trickle-Charger can be ensured when operating.RTCs belongs to DS1305 family.The supply voltage of this electrical digital time clock is 2V~5.5V.The RTC times embed a memory of 96B available for storing programs and data.There are 20 pins, which are pronged contacts as part of a signal interface in a computer or other communications real time clock.
DS1305E+T&R Features
20-TSSOP (0.173, 4.40mm Width) package

DS1305E+T&R Applications
There are a lot of Maxim Integrated
DS1305E+T&R Real Time Clocks applications.

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

Factory Lead Time	6 Weeks
Mounting Type	Surface Mount
Package / Case	20-TSSOP (0.173, 4.40mm Width)
Number of Pins	20
Supplier Device Package	20-TSSOP
Operating Temperature	0°C~70°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
Voltage - Supply	2V~5.5V
Base Part Number	DS1305
Interface	SPI
Memory Size	96B
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
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free
Lifecycle Status	Production (Last Updated: 1 month ago)
Mount	Surface Mount
Mounting Style	SMD/SMT
Package	Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number	DS1305
Mfr	Analog Devices Inc./Maxim Integrated
Product Status	Active
Manufacturer Lifecycle Status	PRODUCTION (Last Updated: 1 month ago)
RoHS	Compliant
Maximum Operating Temperature	+ 70 C
Supply Voltage - Max	5.5 V
Minimum Operating Temperature	0 C
Supply Voltage - Min	2 V
RTC Bus Interface	Serial
RTC Memory Size	96 B
Battery Backup Switching	Backup Switching
Operating Temperature	0°C ~ 70°C
Series	-
Max Operating Temperature	70 °C
Min Operating Temperature	0 °C
Subcategory	Clock & Timer ICs
Voltage - Supply	2V ~ 5.5V
Function	Alarm, Calendar, Clock
Max Supply Voltage	5.5 V
Min Supply Voltage	2 V
Logic Function	Clock
Product Type	Real Time Clocks
Current - Timekeeping (Max)	25.3µA ~ 81µA @ 2V ~ 5V
Voltage - Supply, Battery	2V ~ 5.5V
Features	Alarm, Leap Year, NVSRAM, Trickle-Charger
REACH SVHC	No SVHC
Radiation Hardening	No
Lead Free	Contains Lead, Lead Free