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Name: DS1747W-120+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1747W-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 DS1747W-120+

Part No.:: DS1747W-120+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 32-DIP Module (0.600, 15.24mm)

Datasheet:: DS1747W-120+.pdf

Description:: IC RTC CLK/CALENDAR PAR 32-EDIP

In Stock:: 290

Quantity:: Add To Cart

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DS1747W-120+ Specifications

Package/Case:
32-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM, Y2K
MemorySize:
512KB
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

DS1747W-120+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1747W-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 DS1747W-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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DS1747W-120+ information

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Basic introduction and simple engineering application of DS1747W-120+

DS1747W-120+ is a real-time clock (RTC) module with non-volatile memory, commonly used in electronic projects for timekeeping and data logging applications. It integrates a precision RTC, NV SRAM, and battery backup in a compact package.

Application Scenario:

In home automation projects, DS1747W-120+ can be utilized for time-stamping sensor data and scheduling automated tasks, such as turning lights on/off based on predefined schedules.

Circuit Integration:

To incorporate DS1747W-120+ into a simple project, follow these steps:

1. Connection Setup:

Connect DS1747W-120+ to the microcontroller or development board using the appropriate communication interface, such as I2C or SPI. Ensure proper wiring and address configuration.

2. Initialization:

Initialize the RTC module by setting the current date and time. Utilize the communication protocol specified in the datasheet to write to the relevant registers.

3. Data Logging:

Implement data logging functionality by periodically reading sensor data and storing it in the NV SRAM of DS1747W-120+. Use the timestamp feature to record the time of each data entry.

4. Time-Based Tasks:

Program the microcontroller to execute time-based tasks, such as activating/deactivating devices at specific times. Utilize the accurate timekeeping capability of DS1747W-120+ for precise task scheduling.

5. Power Management:

Ensure uninterrupted operation by providing battery backup to DS1747W-120+. Use a coin cell or rechargeable battery to maintain RTC and memory contents during power loss.

Considerations:

When integrating DS1747W-120+ into the project, consider the following:

- Communication Protocol: Choose the appropriate interface (I2C/SPI) and configure the communication parameters according to the datasheet.

- Backup Power: Implement a reliable backup power source to prevent data loss during power outages or battery replacement.

- Data Retention: Ensure that the NV SRAM retains data for the required duration and consider implementing data integrity checks to detect and correct errors.

- Calibration: Periodically calibrate the RTC module to maintain accurate timekeeping performance over time.

- Integration Testing: Test the complete system to verify proper operation of the RTC module, including timekeeping accuracy and data logging functionality.

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6. What is the process for return or replacement of DS1747W-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 DS1747W-120+ we delivered, we will accept the replacement or return of the DS1747W-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 DS1747W-120+.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations