DS2401Z+

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DS2401Z+

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IC SILICON SER NUMBER SOT223-3

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #DS2401Z+

  • Pacote SOT223-4

  • Em Estoque2587

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Especificações

Atributo Valor
Package Tube
ProductStatus Obsolete
Type Silicon Serial Number
Applications PCB, Network Node, Equipment Identification/Registration
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA

Visão Geral

Description

DS2401Z+ is a 1‑Wire silicon serial-number device from Maxim (now part of Analog Devices) that provides a unique 64‑bit ROM code for device identification on a 1‑Wire bus. It contains no writable data memory—only its ROM code.
Key points:
- ROM layout: 8 bytes total — 1‑byte family code (0x01), 6‑byte serial number, 1‑byte CRC.
- Interface: standard 1‑Wire protocol (reset, presence pulse, Read ROM, Skip ROM/Match ROM).
- Power: can be parasitically powered from the data line or powered from a supply.
- Operating range: typically 3–5.5 V.
- Applications: unique board/asset tagging, inventory tracking, anti‑counterfeiting, and identification on 1‑Wire networks.

Equivalent

DS2401Z+ is Dallas/Maxim’s 1-Wire Silicon Serial Number (UID) device (ROM code 01h). There isn’t an exact cross‑vendor drop‑in. Any 1‑Wire UID device can be used conceptually. Practical options from the same family include DS2401 (UID 1‑Wire ROM) and DS1990A (64‑bit UID iButton). Note that packaging and ROM length vary, so verify your exact requirements (UID size, CRC) before replacing.

Features

DS2401Z+ features (concise):
- 1-Wire silicon serial number with a unique 64-bit ROM code (8-bit family code, 48-bit serial, 8-bit CRC). Factory-lasered and non-erasable.
- Standard 1-Wire interface: reset/presence detect; ROM commands: Read ROM, Match ROM, Skip ROM, and Search ROM.
- Parasitic-power capable via the 1-Wire bus (also usable with an external supply).
- Low-cost, small package suitable for mass deployment and identification tasks.
- Industrial temperature range typically around -40°C to +85°C (device reliability in harsh environments).
- RoHS-compliant, durable for long-term asset tagging and authentication.
- Ideal for unique-ID applications: asset tracking, device authentication, supply-chain traceability.

Pinout

- Pin count: 8 pins (SOIC/DIP-8).
- Function: 1‑Wire Silicon Serial Number (64‑bit ROM ID) device. It provides a unique ID on the 1‑Wire bus and uses VDD and GND; the DQ pin is the 1‑Wire data line. Other pins are typically No Connects (parasitic power mode possible via the bus).

Manufacturer

- Manufacturer: Maxim Integrated (originally Dallas Semiconductor); now part of Analog Devices.
- Company type: A global semiconductor company that designs and manufactures analog, mixed-signal, and digital integrated circuits.

Application

DS2401Z+ is a 1-Wire 64-bit ROM serial-number device that provides a unique, permanent ID for each device on a 1-Wire network. Common application areas:
- Device identification and asset tracking
- Serialization, warranty and maintenance traceability
- Anti-counterfeiting and product authentication
- Licensing, access control, and binding software/hardware to a specific device
- System initialization and asset registry in PCs, servers, and embedded systems
- IoT/smart device provisioning with a hardware-rooted identity
In short: any use requiring a simple, low-cost, hardware-anchored unique ID over a 1-Wire bus.

Package

DS2401Z+ uses an 8-pin package: DIP-8 or SOIC-8 (RoHS “Z+” variant).

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