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Name: DS1501W
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1501W
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 DS1501W

Part No.:: DS1501W

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1501W.pdf

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

In Stock:: 2915

Quantity:: Add To Cart

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DS1501W Specifications

Package/Case:
28-DIP (0.600, 15.24mm)
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:
0°C ~ 70°C
MountingType:
Through Hole

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DS1501W information

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Basic introduction and simple engineering application of DS1501W

DS1501W is a real-time clock (RTC) chip commonly used in electronic projects and embedded systems. It provides accurate timekeeping functionality and can be interfaced with microcontrollers for various applications.

Application Scenario:

In projects requiring precise timekeeping, DS1501W can be utilized to timestamp events, schedule tasks, or maintain time-sensitive data, such as logging environmental parameters in data loggers.

Circuit Design:

To incorporate DS1501W into a project, follow these steps:

1. Connection to Microcontroller:

Connect DS1501W to the microcontroller using standard communication interfaces like SPI or I2C. Ensure proper wiring and configure the microcontroller to communicate with the RTC chip.

2. Power Supply:

Provide a stable power supply to DS1501W to ensure accurate timekeeping. Use voltage regulators and decoupling capacitors to filter out noise and fluctuations in the power source.

3. Crystal Oscillator:

Connect an external crystal oscillator to DS1501W to maintain accurate timekeeping. Choose a crystal with the appropriate frequency and ensure proper connections to the RTC chip.

4. User Interface:

Integrate a user interface, such as an LCD display or LED indicators, to display the current time or alarm settings. Use the microcontroller to control the interface components and update the display based on data from DS1501W.

5. Alarm Functionality:

Utilize the alarm features of DS1501W to trigger events or notifications at specific times. Configure the RTC chip to generate an interrupt signal or trigger a digital output when the alarm conditions are met.

Experiment Steps:

To understand the functionality of DS1501W in a practical setting, follow these experiment steps:

1. Setting the Time: Connect DS1501W to a microcontroller development board and program the microcontroller to set the current time in the RTC chip using the appropriate communication protocol.

2. Reading Time: Develop firmware code to read the current time from DS1501W and display it on an LCD display connected to the microcontroller. Verify the accuracy of the timekeeping functionality.

3. Alarm Trigger: Configure DS1501W to trigger an alarm at a specific time. Implement code in the microcontroller to respond to the alarm event, such as turning on an LED or generating a sound signal.

4. Power Loss Recovery: Simulate power loss to the RTC chip by disconnecting the power supply temporarily. Test the ability of DS1501W to retain the current time and alarm settings during power loss and verify its functionality after power restoration.

Considerations:

When using DS1501W in a project, consider the following factors:

- Accuracy: Ensure the crystal oscillator and timekeeping circuitry provide sufficient accuracy for the application requirements.

- Power Consumption: Optimize power management to minimize the power consumption of DS1501W and extend the battery life in battery-powered applications.

- Communication Protocol: Choose the appropriate communication protocol and configure the microcontroller accordingly to communicate with DS1501W effectively.

- Integration: Integrate DS1501W seamlessly into the project's hardware and software architecture to ensure reliable operation and compatibility with other system components.

- Testing: Thoroughly test the functionality of DS1501W in the project environment to verify its performance, reliability, and compatibility with the overall system.

DS1501W FAQ

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3. Are the DS1501W price and inventory displayed accurate?

The price and inventory of DS1501W 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 DS1501W?

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 DS1501W we delivered, we will accept the replacement or return of the DS1501W 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 DS1501W.

(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