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BCM5461SA3KFBG

Name: BCM5461SA3KFBG
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL/HALF 1/1

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規格

Supplier	Broadcom Limited
Package	Tray
ProductStatus	Active
Type	Transceiver
Protocol	Ethernet
NumberofDrivers/Receivers	1/1
Duplex	Full, Half

概述

Description

BCM5461SA3KFBG is Broadcom’s single-port Gigabit Ethernet PHY (physical layer transceiver) that sits between a MAC and a copper 10/100/1000BASE-T link. Key points:
- 1-port Gigabit PHY supporting 10/100/1000 Mbps with auto-negotiation, auto MDI/MDIX, and full/half duplex.
- Interfaces to a MAC via the standard management/SMI (MDIO) channel for PHY register access.
- Features include Energy Efficient Ethernet (IEEE 802.3az), link/activity LEDs, and various test/loopback modes.
- RoHS-compliant variant in a specific packaging (suffix SA3KFBG denotes the exact package/temperature grade for this part).
- Common uses: NICs, embedded Ethernet controllers, switches/routers that require a single PHY to drive a copper Ethernet link.
- For exact electrical specs (supply voltages, MII/GMII/RGMII interface, pinout, timing), refer to the BCM5461SA3KFBG datasheet.
Note: The SA3KFBG suffix identifies the particular package/variant; always consult the datasheet for precise details.

Features

Key features of BCM5461SA3KFBG (typical for this PHY):
- Single-port 10/100/1000BASE-T Ethernet PHY
- Auto-negotiation for speed and duplex (10/100/1000 Mbps)
- Auto MDI/MDIX crossover
- Full- and half-duplex operation
- IEEE 802.3az Energy Efficient Ethernet (EEE) support
- IEEE 802.3x pause frame flow control
- Management via MDIO/MDC (PHY registers)
- MAC interface compatibility: MII/RMII/GMII options (to MAC)
- LED indicators for Link/Activity/Speed
- Low-power modes and energy-saving features
- RoHS-compliant packaging (application-specific package variant)

Package

FBGA (Fine-pitch Ball Grid Array) package.

Pinout

- Pin count: 28 pins (QFN-28 package)
- Function: Single-port Gigabit Ethernet PHY transceiver (10/100/1000BASE-T) with MAC interface (MII/GMII/RGMII) to connect to the MAC and provide the physical layer.

Manufacturer

Manufacturer: Broadcom Inc.
Broadcom is a multinational American semiconductor company (fabless) that designs and sells a wide range of chips and related infrastructure software for networking, data centers, wireless, storage, and broadband applications.

Application

BCM5461SA3KFBG is a Broadcom Gigabit Ethernet PHY (10/100/1000BASE-T). Typical application areas include:
- NICs and network adapters
- Embedded Ethernet ports in routers, switches, gateways
- IP cameras and video-surveillance devices
- Set-top boxes and home networking gear
- Printers, POS terminals, and industrial automation equipment
It supports auto-negotiation and MDI/MDI-X interfacing to MACs.