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

Part No.:: DS2502P+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 6-SMD, J-Lead

Datasheet:: DS2502P+.pdf

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

In Stock:: 2028

Quantity:: Add To Cart

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DS2502P+ Specifications

Package/Case:
6-SMD, J-Lead
Packaging:
Tube
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+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS2502P+ 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+ 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+ information

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DS2502P+ Typical application Circuitry

DS2502P-

The DS2502P+ is a non-volatile memory chip, part of the Maxim Integrated 1-Wire® family, offering a unique solution for secure data storage with a built-in, factory-lasered and tested 64-bit registration number to ensure uniqueness. This chip is particularly adept at storing calibration data, device identification, or any small amount of data where a minimal interface is desired. The DS2502P+ utilizes the 1-Wire protocol, allowing communication and power through a single data line, making it ideal for applications where pin count and space are limited.

Key Specifications and Features:

- 1-Kbit EEPROM: Provides storage for user data, which is partitioned into four pages of 256 bits each, allowing for organized data management.

- 1-Wire Interface: Enables power and communication through a single data line, simplifying wiring and connections for systems with limited space.

- Unique 64-Bit Serial Number: Each DS2502P+ contains a unique serial number, facilitating device authentication and tracking in multi-device environments.

- Wide Operating Voltage Range (2.8V to 6.0V): Ensures compatibility with a broad range of host devices and power supply conditions.

- High Data Integrity: With a data retention of over 10 years and the ability to endure more than 50,000 erase/write cycles, the DS2502P+ is designed for applications requiring long-term data storage.

Application Example: In a calibration data storage system for precision instruments, the DS2502P+ is used to store calibration constants and manufacturing data for each instrument, ensuring accurate measurements and traceability.

Circuit Design Methodology:

1. Data Line Connection (DQ, Pin 2):

- Primary Communication and Power Interface: The DQ pin serves as the single-wire interface for both data communication and power supply (in parasitic power mode). Connecting this pin to a GPIO pin on a microcontroller and incorporating a 4.7kΩ pull-up resistor to the supply voltage facilitates communication and provides power to the DS2502P+ during operation.

2. Ground Connection (GND, Pin 1):

- System Ground: Pin 1 should be connected to the system's ground. A stable ground connection is critical for reliable communication and operation of the DS2502P+.

3. Optional External Power (VDD, Pin 3 - Not used in parasitic power mode):

- Supplemental Power Supply (Optional): For applications not utilizing parasitic power, the VDD pin can be connected to an external power source within the chip's operating voltage range. This connection can provide a more stable operation during high power demand operations like EEPROM write cycles.

Design Considerations:

- Power Management: In parasitic power mode, ensuring that the microcontroller's GPIO pin can provide sufficient power for DS2502P+ operations is essential. For operations requiring more power, such as EEPROM writes, providing external power to the VDD pin may be necessary.

- Signal Integrity: The length and layout of the connection to the DQ pin should be designed to minimize resistance and inductance. Keeping the wire short and using twisted pairs can reduce noise and improve communication reliability.

- Pull-up Resistor Value: Selecting the appropriate pull-up resistor value is crucial. A resistor value that is too high may not provide enough pull-up current during data transmission, while a value that is too low can increase power consumption and potentially disturb communication.

- Device Addressing: Utilizing the DS2502P+'s unique 64-bit serial number allows for efficient device management and authentication in systems with multiple 1-Wire devices, necessitating a well-implemented software protocol for device discovery and communication.

Incorporating the DS2502P+ into a calibration data storage system for precision instruments showcases its capability to securely store and manage critical calibration data, highlighting its suitability for applications where data integrity, device authentication, and minimal wiring are paramount. This example underscores the DS2502P+'s flexibility and reliability in critical data storage applications.

DS2502P+ FAQ

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

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

(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