DS1685S-3
- Mfr.Part #
- DS1685S-3
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 24-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC RTC 3V 64-BIT Y2KC 24-SOIC
- Stock
- 6,860
- In Stock :
- 6,860
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Published :
- 2000
- Voltage - Supply :
- 2.7V~3.7V
- Radiation Hardening :
- No
- Number of Terminations :
- 24
- Height Seated (Max) :
- 2.65mm
- Lead Free :
- Lead Free
- Pin Count :
- 24
- Time Format :
- HH:MM:SS (12/24 hr)
- Volatile :
- yes
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- Package / Case :
- 24-SOIC (0.295, 7.50mm Width)
- Type :
- Clock/Calendar
- Time-Min :
- SECONDS
- Terminal Pitch :
- 1.27mm
- Interrupt Capability :
- Y
- JESD-609 Code :
- e3
- Length :
- 15.4mm
- HTS Code :
- 8473.30.11.80
- Clock Frequency :
- 0.032MHz
- Terminal Finish :
- Matte Tin (Sn)
- Supply Voltage :
- 3V
- Voltage - Supply, Battery :
- 2.5V~3.7V
- Peak Reflow Temperature (Cel) :
- 260
- External Data Bus Width :
- 8
- RoHS Status :
- ROHS3 Compliant
- Current - Timekeeping (Max) :
- 2mA @ 3V
- Power Supplies :
- 3V
- Interface :
- Parallel
- Width :
- 7.5mm
- Factory Lead Time :
- 10 Weeks
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Feature :
- Alarm, NVSRAM, Square Wave Output, Y2K
- Operating Temperature :
- 0°C~70°C
- Number of Timers :
- 1
- Number of Pins :
- 24
- Base Part Number :
- DS1685
- Memory Size :
- 242B
- Mounting Type :
- Surface Mount
- Date Format :
- YY-MM-DD-dd
- ECCN Code :
- EAR99
- Logic Function :
- Clock
- Mount :
- Surface Mount
- Packaging :
- Tube
- Operating Supply Voltage :
- 3V
- Datasheets
- DS1685S-3

Real Time Clocks Analog Devices, Inc. DS1685S-3 Overview
The Real Time Clocks Analog Devices, Inc. DS1685S-3 is a high-performance, 64-bit real-time clock (RTC) module designed to meet the complex timekeeping requirements of modern embedded systems. This component offers precision and reliability, with a 3V power specification that ensures compatibility with various microcontroller architectures and low-power applications. Ideal for environments requiring accurate timekeeping over extended periods, this RTC features a built-in crystal oscillator and complies with Y2K regulations. The DS1685S-3's compact 24SOIC package allows for streamlined integration into existing designs, making it a top choice for developers looking to enhance their systems with minimal disruption.
DS1685S-3 Features
The DS1685S-3 RTC by Analog Devices incorporates several key features that make it an indispensable part of any time-sensitive electronic system. These include a robust year 2000 compliance, a non-volatile, 64-bit binary counter designed to keep track of time in seconds, minutes, hours, days, and years. Furthermore, its integrated crystal oscillator maintains time with high accuracy and stability. Additional functionalities such as an automatic leap year compensation, multiple interrupt functions with a programmable alarm, and battery backup capability ensure continuous operation and ease of use in diverse applications.
DS1685S-3 Applications
- Consumer Electronics: Deployed in devices such as smart home systems and multimedia devices, the DS1685S-3 helps in maintaining accurate time logs and scheduled operations, enhancing device functionality and user experience.
- Telecommunications: Essential for network time protocol servers and other telecommunications infrastructure, where precise timing is crucial for data integrity and synchronization across networks.
- Industrial Systems: Used in factory automation and control systems to time-stamp events and manage scheduled maintenance or operational cycles, improving efficiency and reliability.
- Automotive: Integral to systems requiring time-based functions such as GPS navigation systems, event data recorders, and telematics devices, ensuring accurate timing in critical applications.
- Healthcare: Applied in medical equipment such as patient monitoring systems and medical data loggers, where accurate timekeeping is necessary for data accuracy and device functionality.
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