DS1688S
- Mfr.Part #
- DS1688S
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 28-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR PAR 28-SOIC
- Stock
- 36,148
- In Stock :
- 36,148
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Additional Feature :
- CAN ALSO OPERATE WITH 5V SUPPLY
- ECCN Code :
- EAR99
- Surface Mount :
- yes
- Number of Bits :
- 16
- Date Format :
- YY-MM-DD
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Interface :
- Parallel
- Feature :
- Alarm, Leap Year, Square Wave Output, Unique ID
- Base Part Number :
- DS1688
- Packaging :
- Tube
- Voltage - Supply :
- 2.7V~3.3V 4.5V~5.5V
- Mounting Type :
- Surface Mount
- Pin Count :
- 28
- Length :
- 18.1mm
- Qualification Status :
- Not Qualified
- Height Seated (Max) :
- 3.05mm
- JESD-30 Code :
- R-PDSO-G28
- Type :
- Clock/Calendar
- Operating Temperature :
- 0°C~70°C
- Package / Case :
- 28-SOIC (0.295, 7.50mm Width)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lead Free :
- Lead Free
- Number of Terminations :
- 28
- Number of Timers :
- 1
- Terminal Finish :
- Matte Tin (Sn)
- Width :
- 8.565mm
- Memory Size :
- 114B
- Terminal Position :
- Dual
- Terminal Pitch :
- 1.27mm
- RoHS Status :
- ROHS3 Compliant
- HTS Code :
- 8542.39.00.01
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Published :
- 2009
- JESD-609 Code :
- e3
- Supply Voltage :
- 3V
- Time Format :
- HH:MM:SS (12/24 hr)
- Clock Frequency :
- 0.032MHz
- External Data Bus Width :
- 8
- Datasheets
- DS1688S

Real Time Clocks Analog Devices, Inc. DS1688S Overview
The DS1688S from Analog Devices, Inc. is a highly integrated real-time clock (RTC) and calendar IC, designed for sophisticated time-tracking and data management solutions. Encased in a 28SOIC package, this RTC device offers precision timing and data storage capabilities, making it ideal for applications requiring reliable timekeeping over a broad temperature range. The DS1688S provides a comprehensive solution for embedded systems needing a calendar-based timing without external synchronization. Its robust design ensures seamless integration into various electronic systems, supporting large-scale deployments across multiple industries.
DS1688S Features
The DS1688S includes several features that enhance its usability and functionality in complex electronic environments. These features include battery backup capabilities, automatic leap year compensation, and an interface for parallel communication. It also offers a programmable alarm and interrupt function which can be tailored to meet specific user requirements, thereby improving system responsiveness and functional efficiency.
DS1688S Applications
- Telecommunication Systems: The DS1688S serves as an essential component for time-stamping and managing data logs in network routers and switches, ensuring accurate synchronization across network infrastructures.
- Industrial Control Systems: In industrial settings, this RTC chip manages system timing for processes that require precise scheduling and operational accuracy, such as in automated production lines.
- Consumer Electronics: Used in devices like set-top boxes and digital recording devices, the DS1688S helps maintain accurate time even during power outages, enhancing user experience and device reliability.
- Office Automation Equipment: It is integral in devices such as printers and copiers, where maintaining accurate time is necessary for job tracking and management.
- Portable Medical Devices: The DS1688S ensures time-sensitive data logging and monitoring in medical devices, crucial for patient care and medical record keeping.
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