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Name: DS1743-70
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1743-70
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS1743-70

Part No.:: DS1743-70

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-DIP Module (0.600, 15.24mm)

Datasheet:: DS1743-70.pdf

Description:: IC RTC CLK/CALENDAR PAR 28-EDIP

In Stock:: 2342

Quantity:: Add To Cart

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DS1743-70 Specifications

Package/Case:
28-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM, Y2K
MemorySize:
8KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
3mA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

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DS1743-70 information

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Basic introduction and simple engineering application of DS1743-70

DS1743-70 is a real-time clock (RTC) IC (integrated circuit) manufactured by Maxim Integrated. It combines a full-function clock/calendar with non-volatile EEPROM and crystal compensation, making it ideal for timekeeping applications requiring high accuracy and reliability.

Introduction:

The DS1743-70 RTC IC provides accurate timekeeping information even when the main power supply is turned off, thanks to its non-volatile EEPROM. Its built-in crystal compensation circuit ensures precise timekeeping over a wide temperature range.

Application in Simple Projects:

Let's explore a simple project where we utilize the DS1743-70 RTC IC to create a digital clock with alarm functionality.

Experimental Setup:

1. Hardware Connection:

Connect the DS1743-70 RTC IC to a microcontroller board (e.g., Arduino) using the I2C interface. Wire the SDA and SCL pins of the RTC to the corresponding pins on the microcontroller.

2. Initialization:

Initialize the RTC IC in the microcontroller code by sending appropriate commands over the I2C bus. Set the current date, time, and alarm parameters as per the project requirements.

3. Display:

Connect an LCD display to the microcontroller to show the current time read from the DS1743-70 RTC IC. Display the time in hours, minutes, and seconds format.

4. Alarm Functionality:

Implement alarm functionality using the DS1743-70 RTC IC. Set an alarm time, and when the current time matches the alarm time, trigger an alarm signal (e.g., sound a buzzer).

5. User Interaction:

Include user interaction features such as setting the current time, setting the alarm time, and enabling/disabling the alarm using buttons or a keypad connected to the microcontroller.

Conclusion:

In this project, we've demonstrated the basic usage of the DS1743-70 RTC IC in creating a digital clock with alarm functionality. By interfacing it with a microcontroller, we can leverage its accurate timekeeping capabilities for various time-sensitive applications.

Key Considerations:

- Ensure proper wiring and communication protocol (I2C) between the DS1743-70 RTC IC and the microcontroller.

- Test the functionality thoroughly to verify accurate timekeeping and alarm triggering under different operating conditions.

- Consider power backup solutions (e.g., battery backup) to maintain timekeeping functionality during power outages or interruptions.

- Explore additional features of the DS1743-70 RTC IC, such as temperature compensation and timestamping, for more advanced applications.

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6. What is the process for return or replacement of DS1743-70?

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 DS1743-70 we delivered, we will accept the replacement or return of the DS1743-70 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 DS1743-70.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations