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Name: DS1501WSN
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1501WSN
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 DS1501WSN

Part No.:: DS1501WSN

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-SOIC (0.295, 7.50mm Width)

Datasheet:: DS1501WSN.pdf

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

In Stock:: 3216

Quantity:: Add To Cart

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DS1501WSN Specifications

Package/Case:
28-SOIC (0.295, 7.50mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K
MemorySize:
256B
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
3V ~ 3.6V
Voltage-SupplyBattery:
2.5V ~ 3.7V
Current-Timekeeping(Max):
4mA @ 3V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS1501WSN this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1501WSN 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 DS1501WSN 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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DS1501WSN information

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Basic introduction and simple engineering application of DS1501WSN

DS1501WSN is a real-time clock (RTC) chip with non-volatile memory, commonly used in embedded systems for timekeeping and data logging applications. It features a built-in crystal oscillator, battery backup, and I2C interface for easy integration into microcontroller-based projects.

Application Scenario:

In a home automation project, DS1501WSN can be utilized to keep track of time and schedule events, such as turning lights on/off at specific times or logging temperature data over time.

Circuit Design:

To implement a simple clock/calendar system using DS1501WSN, follow these steps:

1. Connection to Microcontroller:

Connect the SDA and SCL pins of DS1501WSN to the corresponding I2C pins of the microcontroller, such as SDA to SDA and SCL to SCL. Ensure proper pull-up resistors are connected to the I2C lines.

2. Power Supply:

Provide power to DS1501WSN by connecting VCC to a stable voltage source, typically 3.3V or 5V, and connect GND to ground.

3. Crystal Oscillator:

Connect an external 32.768 kHz crystal oscillator to the X1 and X2 pins of DS1501WSN to ensure accurate timekeeping.

4. Battery Backup:

Connect a CR2032 or similar coin cell battery to the BAT pin of DS1501WSN to provide backup power in case of main power loss.

5. Programming:

Write firmware for the microcontroller to initialize DS1501WSN, set the current date and time, and read/write data to the non-volatile memory for storing configuration settings or logged data.

Experiment Steps:

1. Setup: Connect DS1501WSN to a microcontroller development board, ensuring proper connections for power, I2C communication, crystal oscillator, and battery backup.

2. Initialization: Write code to initialize the RTC chip, including setting the current date and time based on user input or retrieving it from an external time source.

3. Timekeeping: Implement functions to read the current time from DS1501WSN and display it on an LCD or serial monitor.

4. Event Scheduling: Develop algorithms to schedule events, such as turning on/off devices at specific times, using DS1501WSN as the reference clock.

5. Data Logging: Write routines to log sensor data, such as temperature or humidity, along with timestamps to the non-volatile memory of DS1501WSN for later analysis.

Considerations:

- Crystal Accuracy: Use a high-quality crystal oscillator to ensure accurate timekeeping over long periods.

- Battery Life: Choose a suitable battery and implement power-saving techniques to maximize battery life during backup operation.

- Data Integrity: Implement error-checking mechanisms to ensure data integrity when reading from or writing to the non-volatile memory.

- User Interface: Design a user-friendly interface for setting the initial date and time and configuring event schedules.

- Firmware Updates: Allow for firmware updates to accommodate new features or bug fixes in the RTC functionality.

DS1501WSN FAQ

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3. Are the DS1501WSN price and inventory displayed accurate?

The price and inventory of DS1501WSN fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of DS1501WSN?

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 DS1501WSN we delivered, we will accept the replacement or return of the DS1501WSN 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 DS1501WSN.

(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