DS1339U-33+
- Mfr.Part #
- DS1339U-33+
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-USOP
- Stock
- 35,516
- In Stock :
- 35,516
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Interface :
- I2C, 2-Wire Serial
- Number of Terminations :
- 8
- Length :
- 3.1mm
- Lead Free :
- Lead Free
- Number of Outputs :
- 1
- Mount :
- Surface Mount
- Weight :
- 139.989945mg
- Published :
- 2002
- Base Part Number :
- DS1339
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Date Format :
- YY-MM-DD-dd
- Peak Reflow Temperature (Cel) :
- 260
- Factory Lead Time :
- 6 Weeks
- REACH SVHC :
- No SVHC
- Packaging :
- Tube
- Pbfree Code :
- yes
- Information Access Method :
- I2C
- Operating Temperature :
- -40°C~85°C
- Feature :
- Alarm, Leap Year, Square Wave Output, Trickle-Charger
- Number of Pins :
- 8
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Mounting Type :
- Surface Mount
- Interrupt Capability :
- Y
- Number of Timers :
- 1
- Current - Timekeeping (Max) :
- 200μA @ 5.5V
- Height :
- 950μm
- Voltage - Supply :
- 2.97V~5.5V
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Terminal Pitch :
- 0.65mm
- Logic Function :
- Clock
- Type :
- Clock/Calendar
- ECCN Code :
- EAR99
- Supply Voltage :
- 3.3V
- Terminal Finish :
- Matte Tin (Sn)
- Time-Min :
- SECONDS
- Frequency :
- 32.8kHz
- Terminal Position :
- Dual
- Width :
- 3.1mm
- Radiation Hardening :
- No
- Time Format :
- HH:MM:SS (12/24 hr)
- JESD-609 Code :
- e3
- Voltage - Supply, Battery :
- 1.3V~3.7V
- Pin Count :
- 8
- Volatile :
- No
- RoHS Status :
- ROHS3 Compliant
- Operating Supply Voltage :
- 3.3V
- Datasheets
- DS1339U-33+
DS1339U-33+ Documents

Real Time Clocks Analog Devices, Inc. DS1339U-33+ Overview
The Real Time Clocks Analog Devices, Inc. DS1339U-33+ is an essential component designed for sophisticated time-tracking applications across various electronic devices. Engineered by Analog Devices, a leader in semiconductor design, this integrated circuit (IC) offers precise clock/calendar functionality with I2C communication, housed in a compact 8-USOP package. This product is ideal for developers looking to integrate reliable timekeeping features while maintaining power efficiency and accuracy in their applications, providing an optimal solution for mass deployment in commercial and industrial electronics.
DS1339U-33+ Features
This real-time clock (RTC) module includes several key features that enhance its functionality and reliability. It supports a full clock and calendar function, automatic leap year correction, and a programmable square-wave output. The device operates over a wide temperature range, making it suitable for demanding environments. Additionally, its serial I2C interface facilitates easy integration into existing architectures, minimizing development time and complexity.
DS1339U-33+ Applications
- Consumer Electronics: Utilized in devices such as smart watches and home automation systems, the DS1339U-33+ ensures accurate timekeeping, enhancing device reliability and user experience.
- Telecommunication: Critical for time-stamping in data logging and network time synchronization, ensuring smooth and coordinated operations across various communication equipment.
- Automotive: Integrated into infotainment and navigation systems to provide time-based functionality and improve system responsiveness and usability.
- Industrial: Used in time-sensitive control systems for manufacturing processes, where precise time measurement is crucial for operational efficiency and safety.
- Medical Devices: Employs accurate timekeeping for patient monitoring systems and medical instrumentation, ensuring correct time stamps on records and logs for better healthcare management.
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