What is the Additional Feature ?

Name: DS1543W-120
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1543W-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 DS1543W-120

Part No.:: DS1543W-120

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1543W-120.pdf

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

In Stock:: 3542

Quantity:: Add To Cart

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DS1543W-120 Specifications

Package/Case:
28-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, NVSRAM, Watchdog Timer
MemorySize:
8KB
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

DS1543W-120 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1543W-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 DS1543W-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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DS1543W-120 information

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Basic introduction and simple engineering application of DS1543W-120

DS1543W-120 is a real-time clock (RTC) chip commonly used in electronic projects requiring timekeeping functionality. It offers precise timekeeping accuracy and a battery backup feature, ensuring reliable operation even in the absence of external power.

Application Scenario:

In a digital alarm clock project, DS1543W-120 can be utilized to maintain accurate timekeeping and trigger alarm events at specific times.

Circuit Design:

To create a digital alarm clock using DS1543W-120, follow these steps:

1. RTC Connection:

Connect the DS1543W-120 chip to the microcontroller's I2C interface for communication. Ensure proper pull-up resistors are connected to the SDA and SCL lines for stable communication.

2. Alarm Triggering:

Program the microcontroller to read the current time from DS1543W-120 and compare it with predefined alarm times. When the current time matches an alarm time, trigger the alarm event, such as activating a buzzer or turning on an LED.

3. User Interface:

Integrate a user interface, such as a digital display and buttons, to set the alarm time and interact with the clock. Utilize GPIO pins of the microcontroller for interfacing with the display and buttons.

4. Power Management:

Ensure proper power supply to both the microcontroller and DS1543W-120. The DS1543W-120 chip features a battery backup, so implement a battery holder and connect it to the chip to maintain timekeeping functionality during power outages.

5. Alarm Configuration:

Provide options in the user interface to configure alarm settings, such as setting multiple alarms, selecting weekdays for recurring alarms, and adjusting alarm volume or tone.

Considerations:

When designing the digital alarm clock, consider the following:

- Power Consumption: Optimize the firmware and hardware design to minimize power consumption for prolonged battery life.

- Accuracy: Ensure that the DS1543W-120 RTC chip provides accurate timekeeping to prevent alarm inaccuracies.

- User Experience: Design the user interface intuitively to facilitate easy alarm setting and interaction for users of all skill levels.

- Alarm Response: Implement responsive alarm triggering mechanisms to ensure timely alarm notifications without delays.

- Integration: Test the integration of all components thoroughly to ensure seamless operation and reliability of the digital alarm clock.

DS1543W-120 FAQ

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6. What is the process for return or replacement of DS1543W-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 DS1543W-120 we delivered, we will accept the replacement or return of the DS1543W-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 DS1543W-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