DS1338U-18
- Mfr.Part #
- DS1338U-18
- 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
- 12,563
- In Stock :
- 12,563
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Published :
- 2012
- Time-Min :
- SECONDS
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Surface Mount
- Information Access Method :
- I2C
- Memory Size :
- 56b
- Pin Count :
- 8
- Length :
- 3mm
- Current - Timekeeping (Max) :
- 100μA @ 1.89V
- Feature :
- Leap Year, NVSRAM, Square Wave Output
- Radiation Hardening :
- No
- Supply Voltage :
- 1.8V
- Time Format :
- HH:MM:SS (12/24 hr)
- Lead Free :
- Lead Free
- Voltage - Supply, Battery :
- 1.3V~3.7V
- Number of Terminations :
- 8
- Pbfree Code :
- yes
- Number of Pins :
- 8
- Type :
- Clock/Calendar
- Height Seated (Max) :
- 1.1mm
- Factory Lead Time :
- 6 Weeks
- Date Format :
- YY-MM-DD-dd
- Base Part Number :
- DS1338
- Operating Temperature :
- -40°C~85°C
- Volatile :
- No
- Width :
- 3mm
- Packaging :
- Tube
- Peak Reflow Temperature (Cel) :
- 260
- JESD-609 Code :
- e3
- Interrupt Capability :
- N
- Number of Timers :
- 1
- Logic Function :
- Clock
- REACH SVHC :
- Unknown
- ECCN Code :
- EAR99
- Terminal Position :
- Dual
- Interface :
- I2C, 2-Wire Serial
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Clock Frequency :
- 0.032MHz
- Terminal Pitch :
- 0.65mm
- Terminal Finish :
- Matte Tin (Sn)
- Operating Supply Voltage :
- 1.8V
- Voltage - Supply :
- 1.71V~5.5V
- Mounting Type :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Datasheets
- DS1338U-18

Real Time Clocks Analog Devices, Inc. DS1338U-18 Overview
The Analog Devices, Inc. DS1338U-18 is a highly reliable real-time clock/calendar IC designed for applications requiring precise time tracking and data logging. Engineered for low-power consumption, this device operates via an I2C interface and is housed in an 8-pin USOP package, making it ideal for space-constrained applications. It provides a full binary-coded decimal (BCD) clock/calendar with programmable square-wave output, which is crucial for embedded systems needing periodic or scheduled operations. This Real Time Clocks Analog Devices, Inc. DS1338U-18 offers accuracy, flexibility, and reliability, making it a top choice for advanced timekeeping solutions in modern electronic systems.
DS1338U-18 Features
- Low-power operation suitable for battery-driven installations.
- Integrated real-time clock/calendar tracks hours, minutes, seconds, days, months, and years.
- I2C serial interface for efficient communication with microcontrollers and other ICs.
- Automatic leap year compensation up to the year 2100 for long-term reliability.
- Programmable square-wave output for timing and control tasks.
- Simple 8-pin USOP packaging facilitates easy integration into existing designs.
DS1338U-18 Applications
- Consumer Electronics:
Used in devices like smartwatches, cameras, and home automation systems for precise timekeeping and operational scheduling. - Telecommunications:
Helps synchronize time in network infrastructure, ensuring time stamps and logging are accurately maintained across systems. - Industrial Systems:
Crucial for time-sensitive control systems, such as those found in automated manufacturing lines or robotics. - Portable Medical Devices:
Enables accurate logging of events and patient data in devices such as wearable health monitors and portable diagnostic systems. - Automotive Electronics:
Provides accurate time and date functions for on-board systems, navigation and telematics devices.
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