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Name: DS2404B
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS2404B
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 DS2404B

Part No.:: DS2404B

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 16-SSOP (0.209, 5.30mm Width)

Datasheet:: DS2404B.pdf

Description:: IC RTC BINARY CNT SER 16-SSOP

In Stock:: 3904

Quantity:: Add To Cart

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DS2404B Specifications

Package/Case:
16-SSOP (0.209, 5.30mm Width)
Packaging:
Tube
Series:
EconoRAM
ProductStatus:
Obsolete
Type:
Binary Counter
Features:
Alarm, Square Wave Output, SRAM
MemorySize:
512B
TimeFormat:
Binary
DateFormat:
Binary
Interface:
1-Wire® and 3-Wire
Voltage-Supply:
2.8V ~ 5.5V
Voltage-SupplyBattery:
2.8V ~ 5.5V
Current-Timekeeping(Max):
500µA @ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

DS2404B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS2404B 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 DS2404B 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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DS2404B information

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Basic introduction and simple engineering application of DS2404B

DS2404B is a unique silicon serial number with built-in EEPROM memory. It belongs to the family of iButton chips produced by Maxim Integrated. These chips are popular for their compact size and robust construction, making them ideal for various applications in industries like logistics, security, and authentication.

Introduction:

The DS2404B iButton is a versatile device that combines a unique factory-programmed 64-bit serial code with 1024 bits of EEPROM memory. This combination allows for secure identification and data storage capabilities in a small and durable package. The iButton form factor, resembling a small metal disk, enables easy integration into a wide range of systems and environments.

Application in Simple Projects:

In a simple project, such as a basic access control system or inventory management, the DS2404B can be utilized for unique identification and data logging purposes. Let's explore how to integrate the DS2404B into a basic access control system:

1. Hardware Setup:

Connect the DS2404B iButton to a microcontroller or a compatible reader module. Ensure proper wiring of the data line (DQ) and power supply (VCC and GND) according to the datasheet specifications.

2. Initialization:

Initialize the microcontroller to communicate with the DS2404B using the 1-Wire protocol. Implement the necessary firmware routines to send commands and receive responses from the iButton device.

3. Authentication:

Utilize the unique 64-bit serial code programmed into each DS2404B for authentication purposes. When a user presents their iButton to the system, compare the received serial code with the authorized codes stored in the microcontroller's memory.

4. Access Control:

If the received code matches an authorized user, grant access by activating a relay or unlocking mechanism connected to the microcontroller. Log the access event along with the timestamp in the DS2404B's EEPROM memory for future reference.

5. Data Logging:

Utilize the remaining EEPROM memory of the DS2404B to store additional information, such as access logs, user preferences, or system configurations. Implement firmware routines to read from and write to the EEPROM, ensuring data integrity and longevity.

Conclusion:

The DS2404B iButton offers a convenient and secure solution for identification and data storage in various projects and applications. Its compact size, robust design, and integrated EEPROM make it suitable for use in environments where reliability and durability are paramount.

Experimentation:

To better understand the functionalities of the DS2404B, try experimenting with different microcontrollers, communication protocols, and integration scenarios. Explore advanced features such as cryptographic authentication or tamper detection to enhance security in your projects.

DS2404B FAQ

1. How to order DS2404B on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that DS2404B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the DS2404B. All suppliers must pass our qualification reviews before they can publish their products including DS2404B on icwhale.com; we pay more attention to the channels and quality of DS2404B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the DS2404B price and inventory displayed accurate?

The price and inventory of DS2404B fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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5. How is the shipping arranged?

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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of DS2404B?

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 DS2404B we delivered, we will accept the replacement or return of the DS2404B 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 DS2404B.

(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