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KSZ8995M

Name: KSZ8995M
Rating: 4.7 (12 reviews)

IC 10/100 INTEG SWITCH 128PQFP

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製造商。部分 #KSZ8995M
包 PQFP-128
資料表 KSZ8995M DataSheet
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規格

Package	Tray
ProductStatus	Active
Type	10/100 Integrated Switch
Applications	Port Switch/Network Interface
MountingType	Surface Mount
Package/Case	128-BFQFP

概述

Description

KSZ8995M is a five-port gigabit Ethernet switch IC from Microchip (Micrel). It integrates five 10/100/1000BASE-T PHYs with a non-blocking switch fabric and a management interface. It connects to a host controller via MDIO/MDC (for configuration) and exposes five Ethernet ports (RJ45) on the board. It supports standard switching features such as VLAN, QoS, frame filtering, and multicast, enabling embedded devices to switch Ethernet traffic efficiently. It is suitable for adding a compact, low-pin-count switch to an MCU/SoC design in applications like IP cameras, industrial automation, and network appliances. Power-over-Ethernet options exist on some variants; consult datasheet for exact feature set on your part.

Features

Here are the key features of KSZ8995M (concise):
- Five-port Ethernet switch: 5 x 10/100/1000BASE-T ports.
- Non-blocking switch fabric with line-rate performance.
- Built-in PHYs; supports auto-negotiation and auto MDI/MDI-X.
- VLAN support: IEEE 802.1Q (port-based and tagged), plus VLAN translation.
- QoS: multiple queues (802.1p), configurable prioritization and policing.
- Multicast and filtering: IGMP snooping and multicast filtering.
- Frame handling: jumbo frames up to 9 KB; standard Ethernet framing and flow control (IEEE 802.3x).
- Bridging features: Spanning Tree Protocol (RSTP/MSTP) for loop prevention.
- Management: MDIO/MDC interface for host CPU; registers for control/status and reset.
- Power/efficiency: Energy-Efficient Ethernet (EEE) and low-power modes.
- Robustness: suitable for industrial temps; typical feature set includes MIB counters and basic diagnostics.
Note: exact MAC table size, supported features (e.g., LACP), and packaging can vary by revision; refer to the datasheet for precise specs.

Package

KSZ8995M is available in LQFP-128 and QFN-128 package options. Check the datasheet for exact dimensions and pinout.

Pinout

- Pin count: Common package is 128 pins (LQFP or QFN variants).
- Function: KSZ8995M is a five-port managed Ethernet switch with five MAC/PHY ports and a host/CPU interface (plus MDIO/MDC management, LED signals, and control/power pins). It provides the switch fabric and management circuitry for building a small network switch.

Manufacturer

- Manufacturer: Microchip Technology (the company that now owns the KSZ8995M line, originally from Micrel).
- What kind of company: A global semiconductor company that designs, manufactures, and sells integrated circuits, including microcontrollers, analog/mixed-signal devices, memory, and networking ICs such as Ethernet switches/PHYs.

Application

KSZ8995M is a 5‑port managed Ethernet switch (10/100/1000 Mbps) for edge/embedded networks. Typical applications:
- Industrial automation and control networks
- IP cameras and surveillance systems
- SMB routers and gateways
- PoE endpoints such as IP phones and wireless APs
- Embedded networking in consumer electronics and set‑top boxes
- Smart‑city sensor networks

Equivalent

KSZ8995M is Microchip/Micrel’s 5-port Gigabit Ethernet switch IC. Comparable parts from other vendors include Broadcom BCM53115 and BCM53128, Realtek RTL8380/RTL8382 (5-port Gigabit switches), and Microchip KSZ9895 (same KSZ family). Always verify features (VLAN, QoS, management) and package/pinout for your design.