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Name: DS1685S-5+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1685S-5+T&R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc./Maxim Integrated DS1685S-5+T&R

Part No.:: DS1685S-5+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: DS1685S-5+T&R.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-SOIC

In Stock:: 3086

Quantity:: Add To Cart

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DS1685S-5+T&R Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, NVSRAM, Square Wave Output, Y2K
MemorySize:
242B
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
2.5V ~ 3.7V
Current-Timekeeping(Max):
3mA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

DS1685S-5+T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1685S-5+T&R price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1685S-5+T&R to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS1685S-5+T&R information

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Basic introduction and simple engineering application of DS1685S-5+T&R

DS1685S-5+T&R is a real-time clock (RTC) chip manufactured by Maxim Integrated. It provides accurate timekeeping and calendar functions, making it suitable for a wide range of applications requiring precise time tracking.

Basic Introduction:

The DS1685S-5+T&R integrates a 32.768 kHz quartz crystal oscillator and a battery backup input to maintain timekeeping even during power interruptions. It communicates with the host microcontroller via a simple serial interface, offering ease of integration into various electronic systems.

Application Scenario:

In a digital alarm clock project, the DS1685S-5+T&R can be utilized to accurately track time and trigger alarm events at specified times. Let's explore how to incorporate this RTC chip into the alarm clock circuit:

1. Circuit Design:

First, connect the DS1685S-5+T&R to the microcontroller, such as an Arduino board, using the serial interface (SPI or I2C). Ensure proper connections for data, clock, and control signals.

2. Time Setting:

Utilize the microcontroller to set the current time and alarm time by sending appropriate commands to the DS1685S-5+T&R. Implement user input mechanisms, such as buttons or a keypad, to facilitate time setting.

3. Alarm Functionality:

Program the microcontroller to monitor the current time provided by the DS1685S-5+T&R and trigger alarm events when the specified alarm time is reached. This can involve activating a buzzer or turning on an LED to signal the alarm.

4. Power Backup:

Connect a backup battery to the DS1685S-5+T&R to ensure continuous timekeeping in case of power loss. This ensures that the alarm clock remains functional even during power outages.

5. User Interface:

Integrate a display module, such as an LCD or OLED screen, to show the current time and alarm settings. Use the microcontroller to update the display based on the information retrieved from the DS1685S-5+T&R.

Experiment Steps:

1. Connect the DS1685S-5+T&R to the microcontroller development board according to the datasheet pinout.

2. Write code to initialize the RTC chip and set the current time and alarm time. Ensure proper communication protocol setup (SPI/I2C).

3. Implement the alarm logic in the microcontroller firmware, checking the current time against the alarm time set in the DS1685S-5+T&R.

4. Connect an alarm output device, such as a buzzer or LED, to the microcontroller and program it to activate when the alarm condition is met.

5. Test the alarm clock system by setting different alarm times and verifying that the alarm triggers correctly.

Considerations:

- Ensure proper voltage levels and signal integrity between the microcontroller and the DS1685S-5+T&R for reliable communication.

- Implement error handling mechanisms in the firmware to handle communication errors or RTC chip malfunction.

- Optimize power consumption by configuring the microcontroller to enter low-power modes when not actively monitoring the RTC or triggering alarms.

- Test the alarm clock system under various conditions to ensure robustness and accuracy in timekeeping and alarm triggering.

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6. What is the process for return or replacement of DS1685S-5+T&R?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1685S-5+T&R we delivered, we will accept the replacement or return of the DS1685S-5+T&R only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1685S-5+T&R.

(3)The PartNo is unused and only in the original unpacked packaging.

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