USB2224-NE-02 Bus-Powered USB 2.0 Flash Media Controller
Teilenummer: USB2224-NE-02 ✗ AbgekündigtUSB2224-NE-02 Übersicht
A USB 2.0 flash media controller is an interface IC that bridges a USB host and one or more flash-memory card standards. In the product hierarchy, it belongs to interface controllers, then semiconductor devices used in data storage and connectivity. The USB interface handles enumeration and data transfer with the host, while the media-facing controller circuitry translates commands into the appropriate protocol for supported flash cards.
The verified product information identifies the USB2224-NE-02 specifically as a bus-powered USB 2.0 flash media controller. The supplied excerpts associate it with legacy SmartMedia and xD formats as well as the Memory Stick family, Secure Digital, Mini Secure Digital, and Transflash. These format families are important because media voltage, command sets, and physical detection requirements differ between standards and must be validated against the manufacturer datasheet before a PCB is released.
Typical uses include USB card readers, portable media adapters, digital-camera accessories, and legacy storage peripherals that require direct support for SmartMedia, xD, Memory Stick, SD, Mini SD, or Transflash cards. Such applications benefit from a dedicated controller because the host operating system does not need to implement each card protocol directly. A single USB interface also simplifies enclosure integration and device enumeration.
The most important design consideration is exact footprint verification. The supplied search results confirm the device function and media compatibility but do not provide a reliable package name, pin count, pinout, pin-compatibility cross reference, or verified electrical limits. Engineers must compare the official schematic, land pattern, exposed-pad requirements, clock connections, and card-interface pins before replacing USB2224-NE-02 in an existing design.
This page consolidates verified distributor pricing, controller capabilities, supported media formats, sourcing links, and engineering caveats. It also distinguishes documented information from unknown parameters so procurement and engineering teams can distinguish a known USB 2.0 media-controller function from details that still require datasheet review.
Drop-in-Alternativen für USB2224-NE-02 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Für dieses Produkt sind keine Drop-in-Alternativen verfügbar.
Alternativen anfordernUSB2224-NE-02 Technische Daten
| Product Type | USB 2.0 flash media controller |
| Power Method | Bus-powered from USB |
| USB Interface Generation | USB 2.0 |
| Supported Media: SmartMedia | Supported |
| Supported Media: xD Picture Card | Supported |
| Supported Media: Memory Stick | Supported |
| Supported Media: High Speed Memory Stick | Supported |
| Supported Media: Memory Stick PRO | Supported |
| Supported Media: MS Duo | Supported |
| Supported Media: Secure Digital | Supported |
| Supported Media: Mini Secure Digital | Supported |
| Supported Media: Transflash | Supported |
| Manufacturer | SMSC |
USB2224-NE-02 standard Pinbelegungsleitfaden
Pinbelegung für USB2224-NE-02 (standard-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für USB2224-NE-02.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
USB2224-NE-02 ist geeignet für 6 Anwendungs: Legacy Multi-Format USB Card Reader, SmartMedia and xD Reader, Memory Stick Portable Adapter, Secure Digital USB Reader, Digital Camera Card Adapter, Legacy Portable Storage Peripheral.
Legacy Multi-Format USB Card Reader
The SMSC USB2224-NE-02 fits a legacy card reader intended to expose more than one removable flash format to a USB host. The verified sources identify support for SmartMedia, xD Picture Card, Memory Stick, Memory Stick PRO, MS Duo, Secure Digital, Mini Secure Digital, and Transflash. Its bus-powered USB 2.0 architecture can simplify the reader because the controller obtains power from the USB connection. In implementation, the media sockets, card-detection signals, and supporting circuitry must be wired exactly as specified by the manufacturer datasheet. Designers should also verify that every required card format shares the selected socket or uses the appropriate dedicated connector and routing. Because the supplied excerpts do not state package dimensions, pin count, or exact electrical limits, they do not support a complete land-pattern design without a direct review of the official PDF.
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SmartMedia and xD Reader
The USB2224-NE-02 is a suitable candidate for legacy storage accessories built around SmartMedia or xD Picture Card media. Those two formats are explicitly listed among the controller's supported media families in the verified product descriptions. The device acts as the bridge between a USB 2.0 host and the flash-card interface, reducing the need for a host system to implement every legacy card protocol directly. Its bus-powered operation is valuable in a compact reader connected directly to a laptop or desktop. Practical implementation still requires checking the official datasheet for card-interface voltage, socket detection, write-protect handling, and clock requirements. The verified excerpts contain no package or pinout information, so engineers should not reuse an unrelated SD-controller footprint merely because the card formats overlap.
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Memory Stick Portable Adapter
The USB2224-NE-02 can support a portable adapter for Memory Stick-family media because the verified descriptions specifically include Memory Stick, High Speed Memory Stick, Memory Stick PRO, and MS Duo. The bus-powered USB 2.0 controller allows the adapter to operate as a self-contained peripheral without a separate internal supply, assuming the host port provides adequate current. Such products benefit from dedicated card-protocol handling rather than requiring the host to recognize a proprietary legacy interface. During development, the engineer should verify the required Memory Stick generation, insertion and removal behavior, write-protection implementation, and connector pin assignments against the manufacturer documentation. The available excerpts support the functional use case but do not provide timing, current, or pin-level values, so they cannot substitute for the official datasheet.
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Secure Digital USB Reader
The USB2224-NE-02 is functionally suited to a Secure Digital reader because Secure Digital and Mini Secure Digital support are explicitly stated in the verified USB2224-NE-02 descriptions. It provides a USB 2.0 interface between the removable SD family and a host while receiving operating power from the USB bus. For a product built today, engineers should compare this legacy controller with current SD and USB storage controllers for speed, card-generation support, inventory, and firmware requirements. The USB2224-NE-02 remains relevant when maintaining an existing PCB or supporting a proven combination of legacy and SD media. Exact electrical limits, card-side signal levels, and package details must be obtained from the manufacturer datasheet because they are absent from the supplied search excerpts.
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Digital Camera Card Adapter
The USB2224-NE-02 can be used in a digital-camera or legacy imaging accessory that needs to transfer SmartMedia, xD, Memory Stick, or SD-family content to a computer. The controller's documented multi-format support is more useful than a single-protocol bridge when the product must accept several historical camera-card standards. Its USB 2.0 connection provides a standard host interface, while bus power can reduce the accessory's internal power requirements. The design should include proper insertion detection and safe card removal handling, and it should verify media-socket pinouts against the controller's electrical documentation. Since the verified material provides neither the package nor the complete pinout, the USB2224-NE-02 should be used only after an engineer has matched the official land pattern and confirmed operating limits.
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Legacy Portable Storage Peripheral
The USB2224-NE-02 is appropriate for a legacy portable storage peripheral that must read removable cards without relying on a computer to understand each media protocol. Supported families include SmartMedia, xD, Memory Stick, MS Duo, SD, Mini SD, and Transflash according to the verified manufacturer-linked descriptions. A self-powered host port is still required for USB operation even though the controller is bus-powered. The major design trade-off is that a legacy controller may provide lower throughput or fewer card-generation features than a current USB storage bridge. Engineers should confirm those performance characteristics, along with package and pinout details, in the official datasheet. No verified drop-in replacement should be assumed because the supplied cross-reference searches did not identify a package- and pin-compatible alternative.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für USB2224-NE-02 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt |
|---|---|
| Brand | SMSC |
| Product Type | USB 2.0 flash media controller |
| Power Method | Bus-powered |
| USB Interface | USB 2.0 |
| Supported Media | SmartMedia, xD, Memory Stick, Memory Stick PRO, MS Duo, SD, Mini SD, and Transflash |
| Verified Reference Unit Price | $2.6626 at LCSC as of 2026-10-30 |
| Verified Marketplace Availability | In stock at LCSC as of 2026-10-30 |
Wichtigste Unterscheidungsmerkmale
- Documented multi-format legacy media support (vs. No verified drop-in alternative)
- Bus-powered controller architecture (vs. No verified drop-in alternative)
- Dedicated USB 2.0 media-controller function (vs. No verified drop-in alternative)
Designhinweise
Do not treat a USB storage controller with a similar function as a drop-in replacement until its package, pin count, pin names, exposed pad, USB interface, supported card protocols, and electrical limits have been compared with the USB2224-NE-02. The verified cross-reference results contain no qualified alternate MPN, and the target excerpts do not provide a package or pinout. An existing PCB should therefore be treated as tied to the exact controller unless the manufacturer documentation demonstrates otherwise.
The controller is identified as bus-powered, so the USB power path must supply all operating and inrush current allowed by the official device and card requirements. Do not infer the permitted current solely from the phrase bus-powered. Confirm input-voltage limits, ground-current demand, card-socket auxiliary power behavior, and host-port compatibility in the manufacturer datasheet. Use the lowest-impedance available connection from the USB supply and controller ground pins, and follow the datasheet's recommended input and output bypassing.
USB differential signals and media-card interfaces should be routed using the layout and impedance guidance in the manufacturer documentation. Keep the USB pair short, length-matched, and continuously referenced to a solid ground plane, while avoiding splits or unrelated high-current paths beneath the pair. The supplied excerpts do not establish the package, clock topology, or exposed-pad requirements, so these items must be checked directly in the datasheet and reference layout rather than inferred from the card-reader application.
Compliance-Informationen
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. No compliance claim has been inferred from the manufacturer name or the publication date of the datasheet.
