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Name: DS2502P+T&R
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS2502P+T&R
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 DS2502P+T&R

Part No.:: DS2502P+T&R

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 6-SMD, J-Lead

Datasheet:: DS2502P+T&R.pdf

Description:: IC EPROM 1KBIT 1-WIRE 6TSOC

In Stock:: 3326

Quantity:: Add To Cart

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DS2502P+T&R Specifications

Package/Case:
6-SMD, J-Lead
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
EPROM
Technology:
EPROM - OTP
MemorySize:
1Kb (128 x 8)
MemoryInterface:
1-Wire®
ClockFrequency:
-
WriteCycleTime-WordPage:
-
AccessTime:
-
Voltage-Supply:
2.8V ~ 6V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

DS2502P+T&R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS2502P+T&R 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 DS2502P+T&R 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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DS2502P+T&R information

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DS2502P+T&R Typical application Circuitry

DS2502P-T R

The DS2502P+T&R is an add-only memory (AOM) device with a 1-Kbit Electrically Programmable Read-Only Memory (EPROM) utilizing Maxim Integrated's unique 1-Wire interface. This interface supports communication and power through a single data line, making the DS2502P+T&R ideal for applications requiring a small, non-volatile storage module that can be uniquely identified and written to but not erased. Its applications include product authentication, feature activation, device calibration storage, and manufacturing data tracking.

Key Features and Specifications:

- 1-Kbit EPROM: Provides storage for data that once written, is permanent, ensuring integrity over the device's lifetime.

- 1-Wire Interface: Allows for both power and data transmission over a single line, significantly simplifying integration into systems with limited wiring capabilities.

- Factory-Lasered 64-Bit Serial Number: Offers a unique identifier for each device, which is invaluable for tracking, authentication, and protection against counterfeiting.

- Wide Operating Range: Functions across a wide voltage range from 2.8V to 5.5V, accommodating diverse system requirements.

- High Reliability: The device's data retention and endurance specifications assure that data remains intact for over 10 years, despite harsh conditions.

Application Scenario: Product Authentication System

In this scenario, the DS2502P+T&R is used within a product authentication system to verify the authenticity of consumer goods, such as luxury items, electronics, or pharmaceuticals. Each product is tagged with a DS2502P+T&R containing unique data that verifies its origin and authenticity.

Circuit Design Methodology:

1. 1-Wire Data Line Connection (DQ, Pin 2): This pin connects to a data line shared with a microcontroller or 1-Wire master device. A pull-up resistor (typically 4.7kΩ) between this pin and the power supply ensures proper logic levels and provides power to the DS2502P+T&R when the data line is idle.

2. Ground Connection (GND, Pin 1): This pin should be connected to the system ground. It's crucial for stabilizing the device's operation and ensuring reliable communication.

3. Programming Interface: Utilizing a 1-Wire master, such as a microcontroller with a 1-Wire port or a dedicated interface device, to program the DS2502P+T&R. The master device controls data transfer to the DS2502P+T&R through the DQ pin, following specific timing and protocol requirements as outlined by Maxim Integrated.

4. Power Supply Considerations: While the DS2502P+T&R can derive power from the data line (parasitic power), ensuring that the pull-up resistor and the master device can supply adequate power for programming is essential. In some cases, providing an external power source to the DS2502P+T&R can enhance reliability during the write operations.

Design Considerations:

- Signal Integrity: Ensuring clear signal transmission on the 1-Wire bus is paramount, particularly in environments with electrical noise. Strategies may include shielded cables or careful PCB layout.

- Data Integrity: Given the add-only nature of the DS2502P+T&R, careful planning of data structure and programming sequences is crucial to avoid errors that cannot be corrected after writing.

- Environmental Protection: In applications exposed to harsh environmental conditions, additional protective measures for the DS2502P+T&R, such as waterproof enclosures or conformal coating, might be necessary.

- Device Authentication: Implementing a secure method for reading and verifying the DS2502P+T&R's stored data is vital to prevent unauthorized duplication or tampering.

- Power Management: When integrating the DS2502P+T&R into battery-powered devices, the power consumption during read and write operations should be carefully considered to minimize impact on battery life.

Incorporating the DS2502P+T&R into a product authentication system illustrates its utility in safeguarding against counterfeiting and ensuring product integrity. This application demonstrates the DS2502P+T&R's ability to provide a secure, reliable storage solution that can be easily integrated into a wide range of products and systems.

DS2502P+T&R FAQ

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6. What is the process for return or replacement of DS2502P+T&R?

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 DS2502P+T&R we delivered, we will accept the replacement or return of the DS2502P+T&R 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 DS2502P+T&R.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations