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KSZ8841-16MQL from ＭＩＣＲＥＬ

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KSZ8841-16MQL

Manufacturer: ＭＩＣＲＥＬ, MICREL

Single-Port Ethernet MAC Controller with Non-PCI Interface
Partnumber Manufacturer Quantity Availability
KSZ8841-16MQL,KSZ884116MQL ＭＩＣＲＥＬ, MICREL 3484 In Stock

Description and Introduction

Single-Port Ethernet MAC Controller with Non-PCI Interface The KSZ8841-16MQL is a highly integrated, single-chip Ethernet switch manufactured by Microchip Technology (formerly Micrel). Here are the key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Microchip Technology (Micrel)  
- **Part Number:** KSZ8841-16MQL  
- **Type:** 2-port 10/100 Managed Ethernet Switch  
- **Interface:** MII/RMII (for PHY or MAC connection)  
- **Data Rate:** 10/100 Mbps per port  
- **MAC Address Table:** 1K entries  
- **VLAN Support:** IEEE 802.1Q (up to 16 VLAN groups)  
- **QoS Support:** IEEE 802.1p (4 priority queues)  
- **Packet Buffer Memory:** 64 KB  
- **Operating Voltage:** 3.3V (I/O), 1.8V (core)  
- **Package:** 128-pin LQFP (Low-profile Quad Flat Package)  
- **Operating Temperature:** Commercial (0°C to 70°C) or Industrial (-40°C to 85°C)  

### **Descriptions:**  
The KSZ8841-16MQL is a cost-effective, low-power, managed Ethernet switch with two 10/100 ports. It integrates a high-performance switch engine, MAC, PHY transceivers, and memory into a single chip. It supports advanced features like VLAN, QoS, and traffic prioritization, making it suitable for industrial, embedded, and networking applications.  

### **Features:**  
- **Integrated Switch Fabric:** Full-duplex operation with non-blocking throughput.  
- **Auto-Negotiation:** Supports automatic speed and duplex detection.  
- **Flow Control:** IEEE 802.3x flow control for congestion management.  
- **Port Mirroring:** Supports monitoring of traffic on any port.  
- **Energy-Efficient Ethernet (EEE):** Compliant with IEEE 802.3az for reduced power consumption.  
- **Jumbo Frame Support:** Up to 2KB frame size.  
- **Management Interface:** SPI or I2C for configuration and monitoring.  
- **Security Features:** MAC address filtering and port-based access control.  

This device is commonly used in industrial automation, IP cameras, VoIP systems, and embedded networking applications.

Application Scenarios & Design Considerations

Single-Port Ethernet MAC Controller with Non-PCI Interface

Alternative Part Number

  • LAN9218-MT --: Single-chip 10/100 Ethernet controller with 16-bit host bus interface, functionally similar to the KSZ8841-16MQL and available in a comparable QFP package.
  • DP83848IVV --: Widely used 10/100 Ethernet PHY/controller with flexible host interface, good second-source option with strong availability and documentation.
  • AX88796BLF --: Cost-effective 10/100 Ethernet controller with 16-bit local bus interface, suitable as a drop-in style alternative for embedded designs.
  • RTL8201CP --: Low-cost 10/100 Ethernet transceiver with 16-bit interface support, often used as a secondary-source alternative in cost-sensitive designs.
  • LAN9215-MT --: Single-chip 10/100 Ethernet controller with 16-bit host bus interface, functionally similar to the KSZ8841-16MQL and available from the same parent company after Micrel's acquisition.
  • AX88796C --: Low-cost 10/100 Ethernet MAC/PHY controller with a 16-bit local bus interface, commonly used as a drop-in alternative in embedded designs.
  • DP83848I --: Widely available 10/100 Ethernet PHY transceiver with a flexible host interface, suitable as a second-source option when the MAC function is handled externally.

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