LAN9354/ML - 3-Port 10/100 Managed Ethernet Switch | Microchip
MPN: LAN9354/ML ✓ فعالLAN9354/ML نمای کلی
An Ethernet switch is a network-semiconductor device that connects multiple endpoints through a common switching fabric. A managed switch adds configuration, status, interrupt, and control capabilities rather than operating only as a transparent Layer-2 bridge. The LAN9354 family therefore sits between basic Ethernet PHYs, larger multi-port switches, and host-interface controllers used in embedded networking equipment.
Verified features include three managed 10/100 Ethernet ports, a 3.3 V operating supply, wake-up support, power-up or reset configuration, non-volatile configuration storage, and interrupt generation. These functions support designs requiring controlled startup behavior, persistent configuration, and host-visible events. The 56-QFN package helps reduce board area while providing a high pin count for integrated Ethernet and control functions.
The LAN9354/ML is suited to embedded systems, industrial controllers, networked peripherals, and compact communications equipment. Its managed-switch architecture can simplify the implementation of multiple Ethernet endpoints while preserving configuration flexibility. The I2C interface is relevant to embedded firmware because the host can use a serial control bus rather than allocating parallel management pins.
A critical design consideration is that the exact electrical limits, pin names, exposed-pad connection, reference clock requirements, magnetic-interface components, and recommended layout constraints must be taken from the manufacturer datasheet. The verified data does not provide those details, so they are not guessed here. Use the official LAN9354 product page and datasheet for schematic, layout, and timing review.
This page combines verified distributor and manufacturer information with explicit data gaps, practical application guidance, and sourcing references. It does not invent missing electrical specifications, pin assignments, or lifecycle claims.
جایگزین‌های drop-in برای LAN9354/ML — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای LAN9354/ML (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Device Type, Package, Management Interface, Number of Ports.
LAN9354I/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←LAN9354TI/ML
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
KSZ9477STXI
برای قیمت تماس بگیرید
مشاهده دیتاشیت ←LAN9354/ML حداکثر مقادیر مجاز و مشخصات الکتریکی
| Device Type | 3-port managed 10/100 Ethernet switch |
| Ethernet Speed | 10/100 Base-T |
| Number of Ports | 3 ports |
| Host/Management Interface | I2C |
| Integrated PHY Function | TX PHY |
| ولتاژ تغذیه | 3.3 V |
| Wake-Up Function | Supported |
| Configuration Method | Power-up/reset configuration |
| Configuration Storage | Non-volatile configuration storage |
| Event Reporting | Interrupt generation |
| بسته‌بندی | 56-QFN, 8 x 8 mm |
| نوع نصب | Surface mount |
| Ethernet Application | Consumer, embedded, and industrial electronic designs |
| Switch Management | Managed switch |
راهنمای پیکربندی پین LAN9354/ML 56-qfn, 8 x 8 mm
پیکربندی پین برای LAN9354/ML (پکیج 56-qfn, 8 x 8 mm). شماره‌گذاری پایه‌ها، عملکردها و نمودارهای اتصال در دیتاشیت سازنده تعریف شده است. برای footprint دقیق و دستورالعمل‌های لحیم‌کاری به آن مراجعه کنید.
داده پین‌آوت تفصیلی موجود نیست برای LAN9354/ML.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
LAN9354/ML مناسب است برای 6 کاربردs: Embedded Industrial Gateway, Connected Industrial Controller, Embedded Networked Appliance, Networked Test and Measurement Equipment, Consumer Networking Accessory, Compact Communication Module.
Embedded Industrial Gateway
The LAN9354/ML fits an embedded industrial gateway that needs three managed Fast Ethernet endpoints in a compact controller. Its verified 10/100 Base-T capability, I2C management interface, non-volatile configuration storage, and interrupt generation let firmware configure the network and react to link or system events without relying on a separate large switch. The 56-QFN 8 x 8 mm package helps preserve board area in compact equipment. The design must still validate clocking, reset sequencing, magnetic components, thermal limits, and the exact exposed-pad connection from the manufacturer documentation before layout release.
پیشنهادی
Connected Industrial Controller
Use LAN9354/ML when a connected industrial controller must expose multiple 10/100 Ethernet devices through one managed switching component. The verified three-port architecture, TX PHY functionality, I2C interface, and non-volatile configuration storage support controlled network setup in equipment that may be deployed with fixed addressing or status behavior. Wake-up support can help the host manage low-power transitions, while interrupt generation provides an event path for firmware. The controller designer must confirm the exact 3.3 V current limits, operating-temperature grade, Ethernet magnetic design, and startup behavior in the official datasheet.
پیشنهادی
Embedded Networked Appliance
The LAN9354/ML is appropriate for a networked appliance that needs a compact, managed 10/100 Ethernet connection rather than a single isolated PHY. Three ports allow the appliance to bridge or supervise several wired endpoints, while I2C configuration and interrupt generation provide a manageable host interface. The small 56-QFN 8 x 8 mm package is useful in products where connector placement and enclosure space are constrained. Before schematic approval, verify the supported media interface, external magnetics, reference clock, reset polarity, and layout guidance directly from Microchip’s documentation.
پیشنهادی
Networked Test and Measurement Equipment
LAN9354/ML can serve as the managed Ethernet front end in compact test and measurement equipment that must expose several 10/100 endpoints to a host or control computer. The I2C management path supports configuration by an embedded controller, while non-volatile configuration storage and interrupt generation support repeatable instrument startup. The integrated three-port switch can reduce the number of discrete Ethernet interface blocks in a new design. Signal-integrity, grounding, isolation, and layout decisions must follow the manufacturer’s Ethernet reference design; the supplied snippets do not provide those implementation values.
پیشنهادی
Consumer Networking Accessory
For a consumer networking accessory, LAN9354/ML offers a compact way to consolidate three managed 10/100 ports with host control over configuration. Wake-up support can complement energy-management behavior, and interrupt generation can let the product firmware react to network activity or status changes. The 56-QFN package supports dense board layouts, although the Ethernet magnetics and high-speed routing area can dominate placement and signal-integrity requirements. Use the official LAN9354 documentation for EMI, reference clock, magnetic-component, and keep-out recommendations before approving a consumer enclosure layout.
پیشنهادی
Compact Communication Module
LAN9354/ML is suitable for a compact communication module that needs three Fast Ethernet ports without the footprint of a larger switch. Its managed architecture, I2C control, and event interrupts provide a structured interface to a module controller, while non-volatile storage supports persistent behavior across restarts. This makes the part useful for embedded communications equipment that bridges sensors, controllers, or service interfaces over wired Ethernet. The module designer must verify the exact 3.3 V supply requirements, startup timing, wake-up behavior, thermal limits, and package-specific land pattern from the manufacturer datasheet.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای LAN9354/ML — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | LAN9354I/ML | LAN9354TI/ML | KSZ9477STXI |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
تفاوت‌های کلیدی
- Three managed Fast Ethernet ports in one compact device (در مقابلLAN9354I/ML)
- I2C management with non-volatile configuration and interrupts (در مقابلLAN9354TI/ML)
- Application positioning for embedded and industrial designs (در مقابلKSZ9477STXI)
یادداشت‌های طراحی
Begin with the manufacturer’s 3.3 V power requirements and verify the exact LAN9354/ML supply tolerances, startup current, active current by port state, and shutdown behavior. Because the supplied data confirms a 3.3 V feature but does not provide current limits, do not size the regulator from assumptions. Place local decoupling where the datasheet recommends, keep the Ethernet PHY supply path quiet, and account for regulator headroom across the complete 10/100 link and wake-up operating modes. Review thermal performance from actual board copper and enclosure temperature.
Use the official LAN9354 reference layout and package drawing for the 56-QFN 8 x 8 mm device, including exposed-pad connection, ground-plane continuity, via placement, and keep-out requirements. Keep high-speed Ethernet traces controlled, provide a continuous return path, and route clock and data signals away from noisy switching nodes. The verified data does not supply trace-length, impedance, via-count, or isolation values, so those details must not be guessed. Prototype signal integrity and EMC behavior before production release.
Do not treat a related LAN9354 ordering code or another Ethernet switch as a replacement solely because the package family appears similar. Confirm exact pin names, exposed-pad treatment, supply pins, clock source, PHY differential pairs, magnetic-interface components, reset polarity, and I2C behavior against the official documentation. The cross-reference snippets do not establish full compatibility. Create a formal substitution matrix and run hardware regression tests whenever the manufacturer, ordering code, or PCB footprint changes.
Plan the Ethernet differential pairs with the reference design and PCB stackup in mind. Maintain symmetric routing, suitable via transitions, controlled return paths, and separation from clocks, switching regulators, and unrelated high-current traces. The supplied search results do not provide differential impedance, insertion-loss, jitter, or isolation requirements, so use the manufacturer’s electrical and layout documentation for those values. Validate link startup, packet integrity, error recovery, and wake-up behavior across representative cable and temperature conditions.
اطلاعات انطباق
The supplied verified data does not provide compliance certifications. The LCSC snippet mentions RoHS in a listing, but that is not sufficient to assign a formal compliance status.
