KSZ8873MLL

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KSZ8873MLL

IC ETHERNET SWITCH 3PORT 64-LQFP

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Especificaciones

Supplier Microchip Technology
Package Tray
ProductStatus Active
Protocol Ethernet
Function Switch
Interface I²C, SPI
Standards 10/100 Base-T/TX PHY
Voltage-Supply 1.8V, 2.5V, 3.3V
Current-Supply 115mA
OperatingTemperature 0°C ~ 70°C
Package/Case 64-LQFP

Descripción general

Description

KSZ8873MLL is a single-port 10/100 Mbps Ethernet PHY transceiver from Microchip (Micrel). It provides the physical layer for an Ethernet link and connects to an external MAC via standard MAC interfaces.
Key points:
- IEEE 802.3 10/100BASE-T, auto-negotiation, supports full- and half-duplex operation
- MAC interface options: MII or RMII
- LED status outputs and typical PHY-side features (cable interface, encoding/decoding)
- Offered in a compact MLL package suitable for embedded designs
Common uses:
- Embedded microcontroller-based Ethernet designs (routers, industrial controllers, IoT devices)
Resources:
- Datasheet and application notes from Microchip/Micrel for pinout, electrical specs, timing, and reference designs. If you need more specifics (pinout, power, timing), I can summarize those as well.

Features

Here are the key features of KSZ8873MLL:
- 3-port 10/100 Mbps Ethernet switch with integrated MAC/PHY on each port
- Non-blocking, store-and-forward switching
- IEEE 802.1Q VLAN support (port-based and tagged)
- IEEE 802.1p QoS with multiple priority levels (typical 4-queue scheme)
- MAC address learning with a large CAM (typically up to several thousand addresses) and aging
- Auto MDI/MDIX on all ports; auto-negotiation for 10/100 Mbps; full/half‑duplex support
- Flow control: 802.3x pause (full-duplex) and backpressure (half-duplex)
- Management interface: MDIO/SMI for PHY management and a host CPU interface for register access
- Frame filtering and storm-control facilities to protect broadcast/m multicast traffic
Note: This is a concise feature summary; exact parameters (e.g., exact MAC table size, QoS details) may vary by revision and package.

Package

KSZ8873MLL is available in an MLL package, i.e., Molded Leadless Leadframe package.

Pinout

- Pin count: 28 pins (MLL package)
- Function: 3-port 10/100BASE-TX Ethernet switch/PHY (three PHYs with a switch fabric) designed to connect to a host MAC via MII/RMII and to RJ-45 ports through external magnetics.

Manufacturer

Manufacturer: Microchip Technology (formerly Micrel Semiconductor).
What kind of company: A multinational American semiconductor company that designs and manufactures integrated circuits, including microcontrollers, analog/mixed-signal ICs, memory, and networking ICs like Ethernet PHYs and switches.

Application

KSZ8873MLL is a 10/100BASE-T Ethernet PHY with MII/RMII interface. Applications: embedded Ethernet for microcontrollers; small switches/routers/gateways; network printers and IP cameras; industrial automation and PLC gateways; IoT edge devices and smart meters.

Equivalent

Direct drop-in equivalents do not exist. KSZ8873MLL is a unique 3-port 10/100 Ethernet switch with integrated MAC/PHY. Closest cross-references are other Microchip KSZ-series 10/100 switches (e.g., KSZ8873 variants) and similar 3-port Ethernet switches from Realtek (RTL83xx) or TI (DP83xx) families. For an exact replacement, compare datasheets and verify pinout, electricals, and features.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

El plazo de pago es 100% prepagado.

Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria

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