Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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DS1338U-3+

DigiKey Part Number
DS1338U-3+-ND
Manufacturer
Manufacturer Product Number
DS1338U-3+
Description
IC RTC CLOCK/CALENDAR I2C 8UMAX
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Datasheet
 Datasheet
EDA/CAD Models
DS1338U-3+ 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
Tube
Voltage - Supply, Battery
1.3V ~ 3.7V
Part Status
Active
Current - Timekeeping (Max)
200µA @ 3.3V
DigiKey Programmable
Not Verified
Operating Temperature
-40°C ~ 85°C
Type
Clock/Calendar
Mounting Type
Surface Mount
Features
Leap Year, NVSRAM, Square Wave Output
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Memory Size
56B
Supplier Device Package
8-uMAX/uSOP
Time Format
HH:MM:SS (12/24 hr)
Base Product Number
Date Format
YY-MM-DD-dd
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Available To Order
Factory Stock: 1,300
50 estimated in stock on 07-Dec-2026

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Tube
QuantityUnit PriceExt Price
1$5.99000$5.99
10$4.58900$45.89
50$4.02920$201.46
100$3.85580$385.58
250$3.67284$918.21
500$3.56258$1,781.29
1,000$3.47180$3,471.80
2,500$3.37598$8,439.95
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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