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LAN8840/PSA - Microchip

Description: • Single-Chip 10/100/1000 Mbps Ethernet Transceiver Suitable for IEEE 802.3 Applications • RGMII with 3.3V/2.5V/1.8V I/Os - RGMII Timing Supports On-Chip Delay According to RGMII Version 2.0, with Programming Options for External Delay and Making Adjustments and Corrections to TX and RX Timing Paths • Auto-Negotiation to Automatically Select the Highest Link-Up Speed (10/100/1000 Mbps) and Duplex (Half/Full) • On-Chip Termination Resistors for the Differential Pairs • On-Chip LDO Controller to Su

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LAN8840/PSA - Microchip - PCB symbol
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PCB Footprints
LAN8840/PSA - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 48-LEAD VERY THIN PLASTIC QUAD FLAT, NO LEAD PACKAGE (PSA) - 7X7 MM BODY [VQFN]
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3D Models
LAN8840/PSA - Microchip - 3D model - Quad Flat No-Lead - 48-LEAD VERY THIN PLASTIC QUAD FLAT, NO LEAD PACKAGE (PSA) - 7X7 MM BODY [VQFN]
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LAN8840/PSA Details

  • Manufacturer Part Number:

    LAN8840/PSA

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    48

  • Manufacturer Package Code:

    VQFN-48

  • Country Of Origin:

    Taiwan, Thailand

  • ECCN Code:

    4A994.J

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    24

  • Data Rate:

    1000000 Mbps

  • JESD-30 Code:

    S-PQCC-N48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Number of Transceivers:

    4

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.28SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Nom:

    1.1 V

  • Surface Mount:

    YES

  • Telecom IC Type:

    ETHERNET TRANSCEIVER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

LAN8840/PSA Frequently Asked Questions (FAQs)

  • Microchip provides a recommended PCB layout guide in the LAN8840/PSA evaluation board user's guide, which includes guidelines for component placement, routing, and thermal management. It's essential to follow these guidelines to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The LAN8840/PSA can be configured for different PHY modes (e.g., 10BASE-T, 100BASE-TX, 1000BASE-T) using the device's registers. Microchip provides a register programming guide in the LAN8840/PSA datasheet, which includes the necessary register settings for each PHY mode. Additionally, the Microchip LANCheck online tool can be used to generate the required register settings.
  • The power consumption of the LAN8840/PSA varies depending on the operating mode. Microchip provides power consumption estimates in the LAN8840/PSA datasheet, which include typical values for active, idle, and power-down modes. However, actual power consumption may vary depending on the specific application and PCB design. It's recommended to perform power measurements using a suitable test setup to determine the actual power consumption.
  • Microchip provides a troubleshooting guide in the LAN8840/PSA datasheet, which includes common issues and their solutions. Additionally, the Microchip LANCheck online tool can be used to diagnose and troubleshoot issues with the LAN8840/PSA. It's also recommended to consult the Microchip support forum and knowledge base for additional resources and FAQs.
  • The LAN8840/PSA is available in industrial (-40°C to 85°C) and commercial (0°C to 70°C) temperature ranges. It's essential to select the appropriate temperature range for the specific application. Microchip provides temperature-related specifications and guidelines in the LAN8840/PSA datasheet.

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LAN8840/PSA Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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