Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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DS1339U-3+T&R

DigiKey Part Number
175-DS1339U-3+T&RTR-ND - Tape & Reel (TR)
175-DS1339U-3+T&RCT-ND - Cut Tape (CT)
175-DS1339U-3+T&RDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
DS1339U-3+T&R
Description
IC RTC CLOCK/CALENDAR I2C 8UMAX
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Datasheet
 Datasheet
EDA/CAD Models
DS1339U-3+T&R Models
Product Attributes
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Category
Interface
I2C, 2-Wire Serial
Manufacturer
Analog Devices Inc./Maxim Integrated
Voltage - Supply
2.7V ~ 5.5V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Supply, Battery
1.3V ~ 3.7V
Part Status
Active
Current - Timekeeping (Max)
150µA @ 3.3V
DigiKey Programmable
Not Verified
Operating Temperature
-40°C ~ 85°C
Type
Clock/Calendar
Mounting Type
Surface Mount
Features
Alarm, Leap Year, Square Wave Output, Trickle-Charger
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Time Format
HH:MM:SS (12/24 hr)
Supplier Device Package
8-uMAX/uSOP
Date Format
YY-MM-DD-dd
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
153 estimated in stock on 28-Dec-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$5.53000$5.53
10$4.22800$42.28
25$3.90280$97.57
100$3.54510$354.51
250$3.37452$843.63
500$3.27170$1,635.85
1,000$3.18706$3,187.06
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$3.08255$9,247.65