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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:: 2305

Quantity:: Add To Cart

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DS1747W-120 Specifications

Package/Case:
32-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
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) chip manufactured by Maxim Integrated, offering precise timekeeping capabilities along with non-volatile memory storage. It integrates a crystal oscillator and a lithium battery backup, ensuring accurate timekeeping even during power loss or system shutdown.

Application Scenario:

In electronic systems requiring accurate timekeeping, such as data loggers or industrial automation controllers, DS1747W-120 can be utilized to maintain a reliable timestamp for events or data entries.

Circuit Design:

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

1. Clock Connection:

Connect the crystal oscillator pins, X1 and X2, of DS1747W-120 to an external 32.768 kHz crystal for accurate timekeeping. Ensure proper decoupling capacitors are used for stable operation.

2. Battery Backup:

Attach a lithium coin cell battery to the designated battery input of DS1747W-120 to maintain timekeeping functionality during power interruptions. Follow the manufacturer's recommendations for battery selection and connection.

3. Serial Interface:

Utilize the serial interface of DS1747W-120, such as SPI or I2C, to communicate with a microcontroller or host system. Connect the data input/output (DIO), clock (CLK), and chip select (CS) pins to the corresponding pins of the microcontroller.

4. Memory Usage:

Access the non-volatile memory storage of DS1747W-120 for storing configuration settings, event logs, or user data. Use the appropriate commands and protocols specified in the datasheet to read from and write to the memory array.

5. Timekeeping:

Program the RTC registers of DS1747W-120 to set the initial time and date. Implement periodic updates to synchronize the RTC with an external time source, if necessary, to maintain accurate timekeeping.

Considerations:

When designing the circuit and firmware for DS1747W-120 integration, consider the following aspects:

- Power Supply: Ensure stable power is provided to DS1747W-120 and the associated components to prevent data corruption and maintain timekeeping accuracy.

- Communication Protocol: Select the appropriate serial interface and configure the communication parameters, such as baud rate and data format, to ensure reliable data exchange between DS1747W-120 and the microcontroller.

- Error Handling: Implement error detection and correction mechanisms in the firmware to handle communication errors or data corruption that may occur during operation.

- Battery Life: Monitor the battery voltage periodically and implement low-power modes or battery management techniques to extend the battery life and ensure continuous timekeeping functionality.

- Environmental Conditions: Consider the operating temperature range and environmental conditions of the application to select suitable components and ensure reliable performance of DS1747W-120 over time.

DS1747W-120 FAQ

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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.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations