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Product Index > Integrated Circuits (ICs) > Clock/Timing - Real Time Clocks > Maxim Integrated DS1337U+T&R

All prices are in US dollars.
Digi-Key Part NumberDS1337U+T&RTR-ND
Price BreakUnit PriceExtended Price
Quantity Available Digi-Key Stock: 9,000
Can ship immediately

Manufacturer Part Number


Lead Free Status / RoHS StatusLead free / RoHS Compliant

QuantityItem Number  ? Customer Reference
DS1337U+T&R Maxim Integrated | DS1337U+T&RTR-ND DigiKey Electronics

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Datasheets DS1337
Product Photos MSOP-8
Mfg Application Notes Crystal Considerations with Maxim Real-Time Clocks (RTCs)
Design Considerations for Maxim Real-Time Clocks
Lithium Coin-Cell Batteries: Predicting an Application Lifetime
Using the DS32kHz with Maxim Real-Time Clocks
FAQ About the Integrated-Crystal Package Option
Selecting a Backup Source for Real-Time Clocks
Oscillator Design Considerations for Low-Current Applications
Introduction to Digital Stethoscopes and Electrical Component Selection Criteria
State Machine Logic in Binary-Coded Decimal (BCD)-Formatted Real-Time Clocks
Product Training Modules Lead (SnPb) Finish for COTS
Long-Term Supply Program
Standard Package ? 3,000

Integrated Circuits (ICs)


Clock/Timing - Real Time Clocks

Packaging ? Tape & Reel (TR) ? 
FeaturesAlarm, Leap Year, Square Wave Output
Memory Size-
Time FormatHH:MM:SS (12/24 hr)
Date FormatYY-MM-DD-dd
InterfaceI²C, 2-Wire Serial
Voltage - Supply1.8 V ~ 5.5 V
Voltage - Supply, Battery-
Current - Timekeeping (Max)0.6µA @ 1.3V ~ 1.8V
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mount
Package / Case8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package8-uMAX
Online CatalogSerial Address
Other NamesDS1337U+T&R-ND
Alternate Package | This part is also available in the following packaging:
Digi-Key Part NumberManufacturer Part NumberManufacturerPackagingQuantity AvailableUnit PriceMinimum Quantity
DS1337U+T&RCT-NDDS1337U+T&RMaxim IntegratedCut Tape (CT) ? 11,790 - Immediate
DS1337U+T&RDKR-NDDS1337U+T&RMaxim IntegratedDigi-Reel® ? 11,790 - Immediate
DS1337U+-NDDS1337U+Maxim IntegratedTube ? 6,633 - Immediate

Tape & Reel, Cut Tape and Digi-Reels are all derived from the same manufacturer’s part number. Inventory from Tape & Reel is used to fulfill Cut Tape and Digi-Reel orders and will impact the total quantity available.

5:24:03 9/1/2015