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Name: DS1744W-120+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1744W-120+
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 DS1744W-120+

Part No.:: DS1744W-120+

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1744W-120+.pdf

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

In Stock:: 324

Quantity:: Add To Cart

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DS1744W-120+ Specifications

Package/Case:
28-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM, Y2K
MemorySize:
32KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.97V ~ 3.63V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
2mA @ 3.3V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

DS1744W-120+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1744W-120+ 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 DS1744W-120+ 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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DS1744W-120+ information

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Basic introduction and simple engineering application of DS1744W-120+

DS1744W-120+ is a non-volatile static RAM (NVSRAM) integrated circuit with a real-time clock/calendar (RTC) function. It combines the functionality of static RAM and an RTC in a single package, making it ideal for applications requiring both data storage and timekeeping capabilities.

Basic Overview:

The DS1744W-120+ features a 32k x 8 non-volatile static RAM organized as 32,768 words by 8 bits, along with a built-in lithium energy source to maintain data integrity during power loss. It also includes a clock/calendar with programmable alarms and a battery backup switch circuitry.

Application in Simple Projects:

One common application of DS1744W-120+ is in building a digital clock with data storage capability. Here's a simple project using the DS1744W-120+:

Experiment Steps:

1. Circuit Connection:

Connect the DS1744W-120+ to a microcontroller or development board. Ensure proper wiring of the data lines (D0-D7), address lines (A0-A14), control signals (CE, OE, WE), and power supply (VCC, VBAT, GND).

2. Initialization:

Initialize the DS1744W-120+ by setting the clock/calendar registers with the current date and time values. This can be done through the microcontroller by sending appropriate commands and data to the device.

3. Reading and Writing Data:

Implement read and write operations to store and retrieve data from the NVSRAM portion of the DS1744W-120+. Use the microcontroller to send read or write commands along with the desired memory address and data.

4. Real-Time Clock Functionality:

Utilize the built-in clock/calendar functionality of the DS1744W-120+ to keep track of time. Set alarms if needed to trigger specific events at predetermined times.

5. Power Backup Testing:

Test the battery backup feature of the DS1744W-120+ by removing the main power supply and ensuring that the device retains the correct time and stored data.

Considerations:

When working with the DS1744W-120+, consider the following:

- Power Supply: Ensure stable power is provided to the device to prevent data corruption.

- Data Retention: Regularly check the battery voltage and replace it when necessary to maintain data integrity during power loss.

- Addressing: Properly manage memory addressing to avoid data overlap or corruption.

- Error Handling: Implement error-checking mechanisms to detect and handle communication errors between the microcontroller and the DS1744W-120+.

- Environmental Factors: Shield the device from excessive heat or moisture to prolong its lifespan and ensure reliable operation.

DS1744W-120+ FAQ

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3. Are the DS1744W-120+ price and inventory displayed accurate?

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6. What is the process for return or replacement of DS1744W-120+?

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 DS1744W-120+ we delivered, we will accept the replacement or return of the DS1744W-120+ 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 DS1744W-120+.

(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