DS1338U-33+
- Mfr.Part #
- DS1338U-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
- 160
- In Stock :
- 160
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Packaging :
- Tube
- Interface :
- I2C, 2-Wire Serial
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- ECCN Code :
- EAR99
- Voltage - Supply :
- 3V~5.5V
- Number of Pins :
- 8
- Operating Temperature :
- -40°C~85°C
- Contact Plating :
- Tin
- Operating Supply Voltage :
- 3.3V
- Length :
- 3.1mm
- Interrupt Capability :
- N
- RoHS Status :
- ROHS3 Compliant
- Current - Timekeeping (Max) :
- 125μA~200μA @ 3.63V~5.5V
- Memory Size :
- 56b
- Number of Timers :
- 1
- Published :
- 2006
- Radiation Hardening :
- No
- Factory Lead Time :
- 6 Weeks
- Peak Reflow Temperature (Cel) :
- 260
- REACH SVHC :
- Unknown
- JESD-609 Code :
- e3
- Number of Terminations :
- 8
- Volatile :
- No
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Time-Min :
- SECONDS
- Feature :
- Leap Year, NVSRAM, Square Wave Output
- Mount :
- Surface Mount
- Logic Function :
- Clock
- Time Format :
- HH:MM:SS (12/24 hr)
- Terminal Pitch :
- 0.65mm
- Type :
- Clock/Calendar
- Width :
- 3.1mm
- Voltage - Supply, Battery :
- 1.3V~3.7V
- Mounting Type :
- Surface Mount
- Base Part Number :
- DS1338
- Height :
- 950μm
- Number of Outputs :
- 1
- Pin Count :
- 8
- Information Access Method :
- I2C
- Date Format :
- YY-MM-DD-dd
- Supply Voltage :
- 3.3V
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Frequency :
- 32.8kHz
- Lead Free :
- Lead Free
- Datasheets
- DS1338U-33+

Real Time Clocks Analog Devices, Inc. DS1338U-33+ Overview
The DS1338U-33+ from Analog Devices, Inc. is a highly integrated, high-performance real time clock/calendar optimized for low power consumption and advanced I2C communication. Featuring a full binary-coded decimal (BCD) clock/calendar with 56 bytes of NV SRAM, this IC offers precise time and date tracking up to the year 2100 with minimal component count and power drain. Ideal for embedding in networking hardware, computing devices, and industrial systems, the Real Time Clocks Analog Devices, Inc. DS1338U-33+ ensures reliability and efficiency in time-sensitive applications.
DS1338U-33+ Features
The DS1338U-33+ includes several distinctive features:
- Highly accurate real-time clock/calendar tracks hours, minutes, and seconds in AM/PM modes.
- Automatic leap year compensation up to the year 2100.
- 56 bytes of battery-backed non-volatile (NV) SRAM for data storage.
- I2C Serial interface for simple integration into existing platforms.
- Ultra-small 8-pin USOP package suitable for compact PCB layouts.
DS1338U-33+ Applications
- Embedded Systems: Utilized for maintaining accurate timekeeping and event management within microcontroller environments.
- Consumer Electronics: Ensures accurate timing for devices such as digital cameras, smart watches, and other wearable technology.
- Office Electronics: Integral in time stamping and document tracking systems used in printers and copiers.
- Networking Hardware: Provides the time base required for data loggers, routers, and switches to coordinate time-stamped data packets efficiently.
- Industrial Applications: Critical for time management systems in factory automation, HVAC control systems, and other industrial instruments.
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