LAN8742A-CZ

LAN8742A-CZ is part of LAN8742A Series with a QFN-24 package, offering a small footprint solution for auto MDIX Ethernet PHY
7,416 有效庫存

LAN8742A-CZ

有效庫存7,416

LAN8742A-CZ is part of LAN8742A Series with a QFN-24 package, offering a small footprint solution for auto MDIX Ethernet PHY

  • 製造商零件號 # : LAN8742A-CZ

  • 包裝/封裝: QFN-24

  • 製造商: Microchip

  • 產品分類 : Drivers, Receivers, Transceivers

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LAN8742A-CZ 數據表
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詳細說明

With its array of features, including HP Auto-MDIX support, Auto-Negotiation, and advanced power management capabilities, the LAN8742A-CZ sets a high standard for Ethernet connectivity solutions. The integration of an EEPROM for storing configuration data underscores its commitment to user-friendly interfacing, while the support for both MII and RMII interfaces enhances its versatility in networking applications. Whether it's for IoT devices, industrial automation, or embedded systems, the LAN8742A-CZ offers a reliable and power-efficient solution to address the connectivity requirements of modern technology infrastructure. Its compact design and low-power operation make it an attractive option for businesses and engineers striving for optimal performance and cost-effective network integration

主要特徵

  • This product supports up to 100Mbps transmission.
  • It features integrated autonegotiation and HP Auto-MDIX.
  • The input clock can be either 25MHz or 50MHz.

應用

  • LAN8742A-CZ for reliable Ethernet
  • Industrial Ethernet connectivity
  • High-speed communication for IoT

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! Ethernet ICs RoHS Details
Mounting Style SMD/SMT Package / Case SQFN-24
Product Ethernet Transceivers Standard 10BASE-T, 100BASE-TX
Number of Transceivers 1 Transceiver Data Rate ! 10 Mb/s, 100 Mb/s
Interface Type MDI-X, RMII Supply Voltage - Min 1.8 V
Supply Voltage - Max 3.3 V Minimum Operating Temperature 0 C
Maximum Operating Temperature ! + 70 C Series LAN8742A
Brand Microchip Technology Moisture Sensitive Yes
Product Type ! Ethernet ICs Factory Pack Quantity 490
Subcategory Communication & Networking ICs Unit Weight 0.267518 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 LAN8742A-CZ PDF 下載

常見問題解答

What is LAN8742A-CZ?

The LAN8742A-CZ is a low-power, small-footprint 10/100 Ethernet physical layer transceiver (PHY) designed by Microchip Technology. It provides a cost-effective and efficient solution for Ethernet connectivity in various applications, including industrial automation, embedded systems, and IoT devices.

How Does LAN8742A-CZ Work?

The LAN8742A-CZ operates as a PHY transceiver that enables the transmission and reception of Ethernet data packets over a twisted-pair cable. It interfaces between the MAC (Media Access Control) layer and the physical medium, handling tasks such as data encoding, decoding, and collision detection. The transceiver supports auto-negotiation and auto-MDIX features for easy system integration.

How Many Pins does LAN8742A-CZ have and What are the Functions of the Pinout Configuration?

The LAN8742A-CZ is housed in a 24-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:

  • VDDIO, VDDANA: Power supply pins for I/O and analog circuits, respectively.
  • TXD0, TXD1: Transmit data differential pair.
  • RXD0, RXD1: Receive data differential pair.
  • REFCLK, CRS, MDIO, MDC: Control and communication pins for configuration and management.
  • LED[0:2]: Indicator LED output pins.
  • GPIO[0:2]: General-purpose input/output pins.

What are the Pros and Cons of LAN8742A-CZ?

Pros:

  • Low Power Consumption: Operates with low power, suitable for power-sensitive applications.
  • Small Footprint: Compact QFN package saves board space and allows for integration into space-constrained designs.
  • Auto-Negotiation: Supports automatic configuration of link parameters for simplified setup.
  • Auto-MDIX: Enables automatic detection and correction of cable type for flexible connectivity.
  • Robust Performance: Provides reliable Ethernet connectivity with built-in diagnostics and error detection.

Cons:

  • Compatibility: Requires proper interfacing with MAC and higher-level protocol layers for seamless operation.
  • External Components: May need external magnetics and termination resistors for optimal signal integrity.
  • Heat Dissipation: Careful thermal management may be needed due to power consumption.

Are There Any Equivalents/Alternatives to LAN8742A-CZ for Recommendation?

  • The DP83822 from Texas Instruments is a similar low-power Ethernet PHY with advanced features.
  • Alternatives to the LAN8742A-CZ include the KSZ8081 from Microchip Technology and the BCM54616 from Broadcom.

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