KSZ9477STXI-TR

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KSZ9477STXI-TR

IC ETHERNET SWITCH 7PORT 128TQFP

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Specifications

Supplier Microchip Technology
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Protocol Ethernet
Function Switch
Interface I²C, SPI
Standards 10/100/1000 Base-T PHY
Voltage-Supply 1.8V, 2.5V, 3.3V
OperatingTemperature -40°C ~ 85°C
Package/Case 128-TQFP Exposed Pad

Overview

Description

KSZ9477STXI-TR is Microchip/Micrel’s KSZ9477 family 7-port Gigabit Ethernet switch IC intended for embedded networking devices (routers, gateways, industrial gear, etc.). It provides seven 10/100/1000 Mbps ports with an on‑chip switch fabric and MAC/PHYs, plus a CPU/management interface.
Key features (typical):
- 7 Gigabit ports with store-and-forward switching
- VLAN support (802.1Q), QoS/traffic management, and basic multicast filtering
- Spanning Tree, IGMP snooping, and other switching security features
- Programmable via a host interface (SPI/MDIO/SMI-based per datasheet) for registers and configuration
Packaging:
- The “-TR” suffix denotes Tape & Reel packaging; STXI refers to a specific package variant used by the device.
Use cases:
- Embedded network devices needing a compact, managed switch with VLAN/QoS
Note:
- Refer to the KSZ9477 datasheet for exact port counts, memory, timing, interface options, and package details.

Features

KSZ9477STXI-TR is a seven‑port managed Gigabit Ethernet switch from Microchip’s KSZ9477 family. Key features (typical):
- 7 x 10/100/1000 Mbps Ethernet ports (integrated PHYs)
- Layer-2 switching with hardware forwarding and MAC address table
- VLAN support (IEEE 802.1Q), including port-based VLAN
- QoS: 802.1p prioritization, traffic shaping and rate limiting
- Multicast support: IGMP snooping (efficient multicast forwarding)
- Advanced frame handling: jumbo frames, broadcast/mest storm control, port mirroring
- Management interfaces: MDIO/MMD and SPI-based control/observation; MIB counters
- EEPROM/firmware update capability for remote management
- Embedded, compact package suitable for embedded/industrial applications
- Optional industrial temperature range and robust operation (see datasheet for exact specs)
Note: exact feature set (e.g., supported VLAN modes, memory sizes, temp range, and package details) can vary by revision. Refer to the KSZ9477STXI-TR datasheet for precise specifications.

Package

STXI refers to the LQFP‑style package for KSZ9477; KSZ9477STXI-TR is in a high‑pin count STXI (LQFP) package, with TR meaning Tape & Reel.

Pinout

- Pin count: 208-pin BGA (KSZ9477STXI-TR package)
- Function: 7-port Gigabit Ethernet switch with integrated PHYs and switching fabric, including a CPU/host interface and management interface (MDIO/MDC) for control.

Manufacturer

- Manufacturer: Microchip Technology Inc. (formerly Micrel)
- Company type: A global semiconductor company that designs and manufactures integrated circuits (ICs) for embedded systems, including networking, analog, memory, and microcontroller products.

Application

- Industrial automation controllers and gateways
- IP cameras and video surveillance edge devices
- Embedded network appliances and edge routers
- Smart building and home automation controllers
- Small-form-factor enterprise/small-office switches

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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