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HomeProductsIntegrated Circuits (ICs)Clock/Timing - Real Time ClocksDS1685-3
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DS1685-3 - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
DS1685-3
Manufacturer
Maxim Integrated
Allelco Part Number
32D-DS1685-3
ECAD Model
Parts Description
IC RTC CLK/CALENDAR PAR 24DIP
Package
24-DIP (0.600", 15.24mm)
Data sheet
DS1685, 87.pdf
Our certification
In stock: 9080

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Specifications

DS1685-3 Tech Specifications
Analog Devices Inc./Maxim Integrated - DS1685-3 technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - DS1685-3

Product Attribute Attribute Value  
Manufacturer Maxim Integrated  
Voltage - Supply, Battery 2.5V ~ 3.7V  
Voltage - Supply 2.7V ~ 3.7V  
Type Clock/Calendar  
Time Format HH:MM:SS (12/24 hr)  
Supplier Device Package 24-PDIP  
Series -  
Package / Case 24-DIP (0.600", 15.24mm)  
Package Tube  
Product Attribute Attribute Value  
Operating Temperature 0°C ~ 70°C  
Mounting Type Through Hole  
Memory Size 242B  
Interface Parallel  
Features Alarm, NVSRAM, Square Wave Output, Y2K  
Date Format YY-MM-DD-dd  
Current - Timekeeping (Max) 2mA @ 3V  
Base Product Number DS1685  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

DS1685-3

Manufacturer

Analog Devices

Introduction

The DS1685-3 is a real-time clock (RTC) with a built-in battery-backed NVSRAM and a square wave output. It provides accurate timekeeping with features such as alarm, calendar, and Y2K support.

Product Features and Performance

242-byte NVSRAM for data storage

Alarm function with maskable interrupt

Square wave output

Y2K compliant

12/24-hour time format

Automatically adjusts for leap years

Operating voltage range: 2.7V to 3.7V

Low power consumption: 2mA max at 3V in timekeeping mode

Operating temperature range: 0°C to 70°C

Through-hole 24-DIP (0.600", 15.24mm) package

Product Advantages

Reliable and accurate timekeeping

Non-volatile data storage

Versatile features like alarm and square wave output

Low power consumption for extended battery life

Key Reasons to Choose This Product

Proven reliability and performance from a trusted manufacturer

Comprehensive set of features to meet various real-time clock applications

Cost-effective solution for systems requiring a highly integrated RTC

Quality and Safety Features

Robust design and manufacturing process to ensure product reliability

Compliance with relevant industry standards and regulations

Compatibility

The DS1685-3 is compatible with a wide range of electronic systems and microcontrollers that require a real-time clock function.

Application Areas

Industrial automation and control systems

Metering and monitoring devices

Telecommunications equipment

Consumer electronics

Medical devices

Product Lifecycle

The DS1685-3 is an obsolete product, and Analog Devices no longer manufactures it. However, there are several alternative real-time clock models available from Analog Devices and other manufacturers that may serve as suitable replacements. Customers are advised to contact our website's sales team for more information on available options and recommendations.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated DS1685-3

Product Attribute DS1685-3 DS1685E-3+T&R DS1682S+ DS1685-5
Part Number DS1685-3 DS1685E-3+T&R DS1682S+ DS1685-5
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Supplier Device Package 24-PDIP 24-TSSOP 8-SOIC 24-PDIP
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C -40°C ~ 85°C 0°C ~ 70°C
Voltage - Supply, Battery 2.5V ~ 3.7V 2.5V ~ 3.7V - 2.5V ~ 3.7V
Features Alarm, NVSRAM, Square Wave Output, Y2K Alarm, NVSRAM, Square Wave Output, Y2K Alarm, EEPROM Alarm, NVSRAM, Square Wave Output, Y2K
Current - Timekeeping (Max) 2mA @ 3V 2mA @ 3V 4µA ~ 15µA @ 3V ~ 5.5V 3mA @ 5V
Interface Parallel Parallel I²C, 2-Wire Serial Parallel
Type Clock/Calendar Clock/Calendar Elapsed Time Counter Clock/Calendar
Series - - - -
Voltage - Supply 2.7V ~ 3.7V 2.7V ~ 3.7V 2.5V ~ 5.5V 4.5V ~ 5.5V
Package Tube Tape & Reel (TR) Tube Tube
Base Product Number DS1685 DS1685 DS1682 DS1685
Memory Size 242B 242B 10B 242B
Mounting Type Through Hole Surface Mount Surface Mount Through Hole
Package / Case 24-DIP (0.600", 15.24mm) 24-TSSOP (0.173", 4.40mm Width) 8-SOIC (0.154', 3.90mm Width) 24-DIP (0.600', 15.24mm)
Date Format YY-MM-DD-dd YY-MM-DD-dd Binary YY-MM-DD-dd
Time Format HH:MM:SS (12/24 hr) HH:MM:SS (12/24 hr) Binary HH:MM:SS (12/24 hr)

DS1685-3 Datasheet PDF

Download DS1685-3 pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for DS1685-3 - Analog Devices Inc./Maxim Integrated.

Datasheets
DS1685, 87.pdf
Environmental Information
Maxim Integrated REACH.pdf Maxim Integrated RoHS Cert.pdf Red Phosphorous Certificate.pdf Material Declaration DS1685-3.pdf
Application Notes
Selecting a Backup Source for Real-Time Clocks.pdf Crystal Considerations with Maxim Real-Time Clocks.pdf DS1685/87 and DS17X85/87 Accessing Extended User R.pdf
Other Related Documents
Tips for Writing Bulletproof Real-Time Clock Contr.pdf
PCN Obsolescence/ EOL
Mult Dev OBS 28/Apr/2009.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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DS1685-3 Image

DS1685-3

Analog Devices Inc./Maxim Integrated
32D-DS1685-3

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