DS1688
- Mfr.Part #
- DS1688
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 28-DIP (0.600, 15.24mm)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR PAR 28-DIP
- Stock
- 7,345
- In Stock :
- 7,345
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Number of Pins :
- 28
- Supply Voltage :
- 5V
- JESD-609 Code :
- e0
- Feature :
- Alarm, Leap Year, Square Wave Output, Unique ID
- Operating Temperature :
- 0°C~70°C
- Time Format :
- HH:MM:SS (12/24 hr)
- Peak Reflow Temperature (Cel) :
- 245
- Packaging :
- Tube
- Additional Feature :
- CAN ALSO OPERATE AT 5V
- Lead Free :
- Contains Lead
- Pin Count :
- 28
- Number of Terminations :
- 28
- External Data Bus Width :
- 8
- Memory Size :
- 114B
- Reach Compliance Code :
- not_compliant
- Terminal Position :
- Dual
- Type :
- Clock/Calendar
- Power Supplies :
- 3/5V
- Base Part Number :
- DS1688
- RoHS Status :
- Non-RoHS Compliant
- Length :
- 36.83mm
- Width :
- 15.24mm
- ECCN Code :
- EAR99
- Mounting Type :
- Through Hole
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Number of Timers :
- 1
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Pbfree Code :
- No
- Mount :
- Through Hole
- Interface :
- Parallel
- Time-Min :
- SECONDS
- Number of Bits :
- 16
- Logic Function :
- Clock
- Interrupt Capability :
- Y
- HTS Code :
- 8473.30.11.80
- Volatile :
- yes
- Voltage - Supply :
- 2.7V~3.3V 4.5V~5.5V
- Published :
- 2005
- Qualification Status :
- Not Qualified
- Date Format :
- YY-MM-DD
- Package / Case :
- 28-DIP (0.600, 15.24mm)
- Height Seated (Max) :
- 5.08mm
- Terminal Pitch :
- 2.54mm
- Datasheets
- DS1688

Real Time Clocks Analog Devices, Inc. DS1688 Overview
The DS1688 from Analog Devices, Inc. is a state-of-the-art Real Time Clock (RTC) integrated circuit designed for precise time and date tracking in a wide range of applications. This IC features a parallel interface and is housed in a 28DIP package, ensuring easy integration into existing systems. With its robust design and reliable performance, the DS1688 is ideal for applications requiring accurate timekeeping and calendar management. This product is particularly suitable for B2B customers looking to incorporate dependable timekeeping functionalities into their bulk products, enhancing operational efficiency and reliability.
DS1688 Features
The DS1688 Real Time Clock offers several distinctive features that make it an excellent choice for professional applications. It includes an on-chip oscillator with a high degree of stability and accuracy, a programmable calendar, alarm functions, and battery backup capabilities to maintain timekeeping in the event of power loss. These features are designed to meet the rigorous demands of industrial and commercial environments.
DS1688 Applications
- Telecommunications Equipment: Utilized for time-stamping in routers and switches to ensure accurate logging of data transmission and network management events.
- Consumer Electronics: Integrated into devices such as digital cameras and smart TVs to manage system clocks, ensuring correct timestamping of events and recordings.
- Office Automation Products: Used in fax machines and printers for accurate document tracking and time-sensitive printing tasks.
- Industrial Systems: Employed in industrial timers and data loggers to provide accurate timing solutions, essential for process control and operational scheduling.
- Medical Devices: Critical for maintaining the internal clock of medical monitoring equipment, ensuring the synchronization of patient care records and time-based medicine dispensation.
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