KSZ8863MLL 3-Port 10/100 Managed Ethernet Switch | Microchip
料号： KSZ8863MLL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.3197 | $3.32 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
KSZ8863MLL 概述
An Ethernet switch IC is a network-interface device that connects multiple Ethernet nodes through integrated PHYs and internal switching logic. The KSZ8863MLL belongs to the Ethernet switch family, which sits within network interface semiconductors and broader embedded communication systems. Its managed-switch features include port- and tag-based VLAN support, QoS priority, link management, and CPU-controlled configuration through I2C or SPI. These capabilities make it suitable when a design needs more deterministic LAN behavior than an unmanaged switch provides.
The MLL variant is intended for 2.5 V and 3.3 V systems and supports 10BASE-T and 100BASE-TX operation on two PHY ports. The third port includes an MII interface for connection to a host processor or another Ethernet controller. The supplied product information identifies the device as a 48-LQFP (7x7 mm) part with a 48-pin package and a 100 Mbps Ethernet switch classification.
The KSZ8863MLL is useful in industrial embedded systems, compact controllers, factory equipment, and network appliances where three Ethernet paths are needed without implementing a full-size switching ASIC. Its small package and integrated PHYs reduce external PHY count and simplify board design. Configuration can be handled through the CPU interface, while VLAN and QoS features help organize traffic and improve network behavior.
Designers should follow the manufacturer datasheet and hardware design checklist for pin assignments, reset timing, clock requirements, magnetic-component selection, and power sequencing. The reset input is active-low, and a hardware reset is required after power-up according to the KSZ8863MLL hardware design checklist. Board layout, magnetics isolation, impedance-controlled traces, and bypass-capacitor placement are critical because Ethernet interfaces are sensitive to return-path and signal-integrity issues.
This page combines the verified manufacturer product information, distributor identification, package details, pricing reference, and practical design guidance for engineers evaluating the KSZ8863MLL. It is intended to help determine whether this 3-port Ethernet switch fits a specific embedded networking design before consulting the complete manufacturer documentation.
直接替换替代料： KSZ8863MLL ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： KSZ8863MLL （相同外形与封装尺寸） ——差异在于 Package, QoS, VLAN Support.
快速对比工具——选择替代料号进行并排对比：
KSZ8863RLL
✅ 直接替换📋 参考替代料（不在目录中）
KSZ8863FLL
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →KSZ8863
✅ 直接替换📋 参考替代料（不在目录中）
KSZ8863MLL 最大额定值与电气特性
| Product Type | Integrated 3-port 10/100 managed Ethernet switch with PHYs |
| 数据速率 | 10/100 Mbps |
| Port Count | 3 ports |
| Copper PHY Support | 10BASE-T and 100BASE-TX |
| CPU Interface | I2C and SPI |
| MII Interface | 1 MII interface |
| 电源电压 | 2.5 V and 3.3 V |
| 输入电压范围 | 1.67 V to 3.465 V |
| 封装 | 48-lead LQFP (7x7 mm) |
| 引脚数量 | 48 pins |
| 安装类型 | Surface Mount |
| Reset | Active-low RSTN input at pin 47; hardware reset required after power-up |
| VLAN Support | Port- and tag-based VLAN |
| QoS | QoS priority |
| Power Management | Advanced power management |
| RoHS | Compliant |
KSZ8863MLL 引脚配置
| 引脚 1 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 2 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 3 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 4 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 5 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 6 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 7 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 8 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 9 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 10 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 11 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 12 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 13 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 14 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 15 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 16 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 17 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 18 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 19 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 20 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 21 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 22 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 23 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 24 | SMTXER3/MII_LINK_3 — Mode-control signal associated with the third port and MII link or bypass behavior, according to the verified manufacturer datasheet search result. |
| 引脚 25 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 26 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 27 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 28 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 29 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 30 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 31 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 32 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 33 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 34 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 35 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 36 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 37 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 38 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 39 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 40 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 41 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 42 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 43 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 44 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 45 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 46 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
| 引脚 47 | RSTN — Active-low hardware reset input; a hardware reset is required after power-up according to the verified hardware design checklist. |
| 引脚 48 | [DATA_NEEDED: pin name] — Pin function must be confirmed from the current manufacturer datasheet package drawing. |
典型应用
KSZ8863MLL 适用于 6 应用s: Embedded Industrial Ethernet Control, Compact Network Gateway, Industrial Sensor and Controller Hub, Factory Equipment Network Interface, Managed Network Appliance, Low-Cost Ethernet Communication Module.
Embedded Industrial Ethernet Control
The KSZ8863MLL fits compact industrial controllers that need three managed 10/100 Ethernet paths without implementing separate PHY devices. Its two copper PHY ports support 10BASE-T and 100BASE-TX, while the MII interface provides a path for a host processor or additional network controller. VLAN and QoS features help separate control traffic from other network activity, and the 48-LQFP package keeps the footprint manageable. Designers should validate reset, clock, magnetics, and power sequencing against the Microchip hardware design checklist before releasing the PCB.
推荐
Compact Network Gateway
A gateway product can use the KSZ8863MLL to provide a small managed Ethernet switching block between service ports and an upstream processor. The integrated 10/100 PHYs reduce external component count, while I2C or SPI control allows a host processor to configure VLANs, priorities, and port behavior. This arrangement is useful when the product needs more than a simple two-port PHY arrangement but does not require the port count or media capabilities of a larger switch. Firmware must handle reset initialization and verify link status through the CPU interface.
推荐
Industrial Sensor and Controller Hub
The KSZ8863MLL is appropriate for a sensor or controller hub that needs to aggregate several 10/100 Ethernet nodes into a small embedded network. Three switch paths can connect local sensors, a service interface, and a host controller while retaining managed traffic behavior. Port- and tag-based VLAN support can segment devices by role, and QoS priority can help protect time-sensitive traffic from bulk data. The design must still account for Ethernet magnetics, connector isolation, controlled impedance, and the requirement for hardware reset after power-up.
推荐
Factory Equipment Network Interface
Use the KSZ8863MLL in factory equipment that needs a low-port-count managed Ethernet interface for status reporting, configuration, and service connectivity. Its 10/100 Mbps operation is consistent with legacy industrial Ethernet installations, and the integrated PHYs simplify the analog network path. VLAN support provides a mechanism for separating equipment traffic from shared plant networks, while the CPU interface permits centralized monitoring and configuration. Engineers should verify environmental temperature requirements, transient immunity, grounding, and connector implementation because those specifications were not provided in the verified search data.
推荐
Managed Network Appliance
The KSZ8863MLL can serve as the Ethernet switching element in a small appliance that needs managed port behavior rather than an unmanaged repeater. Its I2C and SPI host interfaces support firmware-driven setup, while VLAN and QoS features provide practical traffic organization. The 48-LQFP package is useful when the system needs three switch ports in a limited board area. A complete design still requires appropriate Ethernet transformers or magnetics, a compliant clock and power network, and careful separation between sensitive PHY routing and switching or processor signals.
推荐
Low-Cost Ethernet Communication Module
The KSZ8863MLL is suitable for a communication module that needs multiple Ethernet endpoints at 10/100 Mbps while keeping power and board complexity controlled. The integrated PHYs provide a direct copper Ethernet path, and the third port can be used with the MII interface for processor connectivity. This arrangement can reduce the number of discrete network components in cost-sensitive embedded products. Before production, verify the exact MLL ordering code, supply voltage implementation, reset timing, and all pin-level requirements in the current manufacturer datasheet.
推荐
推荐产品汇总
工程参考数据： KSZ8863MLL ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | KSZ8863RLL | KSZ8863FLL | KSZ8863 |
|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) per related family context | 48-LQFP (7x7 mm) per related family context | 48-LQFP (7x7 mm) family identifier |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Port Count | 3 ports | 3 ports | 3 ports | 3 ports |
| Ethernet Data Rate | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps class; media-specific details require datasheet confirmation | 10/100 Mbps |
| Copper PHY Support | 10BASE-T and 100BASE-TX | 10BASE-T and 100BASE-TX | 100BASE-FX emphasis; copper-PHY details require confirmation | Family-level copper support; verify exact suffix |
关键差异点
- Integrated managed switching in a 3-port device （对比 Discrete Ethernet PHY and switch architecture)
- Copper-PHY positioning （对比 KSZ8863FLL)
- CPU-managed configuration （对比 Basic unmanaged Ethernet switches)
- Compact 48-LQFP implementation （对比 Larger multi-component Ethernet solutions)
设计说明
Implement the KSZ8863MLL power network with the voltage range and sequencing requirements from the current Microchip datasheet. Place required bypass capacitors close to the supply and ground pins, keep high-current return paths short, and isolate sensitive Ethernet PHY sections from noisy switching nodes. The verified search data identifies 2.5 V and 3.3 V operation and a 1.67 V to 3.465 V input range, but does not provide complete decoupling values or regulator-selection guidance.
Use the Microchip KSZ8863MLL hardware design checklist as the PCB-layout baseline. Route copper Ethernet pairs as controlled-impedance differential pairs, provide a continuous ground reference, keep the PHY and magnetics area physically separated from switching and CPU circuitry, and avoid stubs. Confirm the exact 48-LQFP land pattern and pin functions against the current package drawing rather than relying on distributor package descriptions alone.
Do not assume that all KSZ8863 suffixes are interchangeable. The verified manufacturer development-tool description states that KSZ8863FLL supports 100BASE-FX, while KSZ8863MLL and KSZ8863RLL support copper 10BASE-T and 100BASE-TX. A replacement decision must check the ordering suffix, PHY media, pin-level functions, management features, reset behavior, and software assumptions.
Ethernet link integrity depends on careful return-path and isolation design. Keep the MII and CPU-control traces away from transformer-side and high-energy copper PHY routing where practical, use continuous ground planes, and follow the manufacturer’s recommended magnetics and termination arrangements. The verified material does not provide complete impedance, insertion-loss, or isolation-voltage targets, so those values must be obtained from the latest datasheet and hardware checklist.
合规信息
RoHS compliance is stated in the verified PartGenie result. The supplied verified data does not establish REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The KSZ8863 is an Ethernet interface IC, so automotive qualification is not inferred.
