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Name: DS1742-100+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1742-100+
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 DS1742-100+

Part No.:: DS1742-100+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 24-DIP Module (0.600, 15.24mm)

Datasheet:: DS1742-100+.pdf

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

In Stock:: 3812

Quantity:: Add To Cart

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DS1742-100+ Specifications

Package/Case:
24-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM, Y2K
MemorySize:
2KB
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

DS1742-100+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1742-100+ 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 DS1742-100+ 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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DS1742-100+ information

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Basic introduction and simple engineering application of DS1742-100+

DS1742-100+ is a non-volatile static RAM (NVSRAM) chip manufactured by Maxim Integrated. It combines the functionality of static RAM and non-volatile storage, making it ideal for applications that require both volatile and non-volatile memory.

Basic Introduction:

The DS1742-100+ features a 10-year minimum data retention period in the absence of power, making it suitable for long-term data storage applications. It has a capacity of 16k bits organized as 2,048 words by 8 bits.

Application in Simple Projects:

For a basic project, let's consider building a digital clock with battery backup using the DS1742-100+. Follow these steps:

1. Circuit Setup:

Connect the DS1742-100+ to a microcontroller, such as an Arduino or Raspberry Pi, using the appropriate communication interface (SPI or I2C). Ensure proper connections for power (VCC and GND) and data lines.

2. Real-Time Clock Configuration:

Utilize the built-in real-time clock (RTC) feature of the DS1742-100+ to keep track of time. Configure the RTC registers for setting the current time and date.

3. Battery Backup:

Connect a backup battery, such as a coin cell battery, to the DS1742-100+ to maintain the RTC and memory contents during power loss. Ensure proper polarity and voltage levels for the backup battery.

4. Display Integration:

Integrate a display module, such as an LCD or LED display, to visualize the current time and date obtained from the DS1742-100+ RTC. Interface the display with the microcontroller to update the display in real-time.

5. User Interaction:

Add user input controls, such as buttons or switches, to adjust the time and date settings. Implement firmware logic to handle user input and update the RTC registers accordingly.

Experiment:

To experiment with the DS1742-100+, try the following:

- Set the initial time and date in the RTC registers and observe the clock display.

- Disconnect the main power supply and verify if the RTC maintains the correct time using the backup battery.

- Test the user input controls to adjust the time and date settings and ensure proper functionality.

- Power cycle the circuit multiple times to assess the data retention capability of the DS1742-100+ during prolonged power loss.

Conclusion:

In this project, we explored the basic features and applications of the DS1742-100+ NVSRAM chip. By building a digital clock with battery backup, we demonstrated its usage in maintaining time-critical data in the absence of power, making it suitable for various embedded and IoT applications.

DS1742-100+ FAQ

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6. What is the process for return or replacement of DS1742-100+?

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 DS1742-100+ we delivered, we will accept the replacement or return of the DS1742-100+ 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 DS1742-100+.

(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