SM2246XT - SATA 6Gb/s DRAM-less SSD Controller | Silicon Motion
Référence : SM2246XT ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
SM2246XT Présentation
An SSD controller is a semiconductor system component that coordinates NAND flash memory, firmware, error management, and the host-facing storage interface. In the hierarchy of electronic components, the SM2246XT belongs to the integrated-circuit and memory-controller ecosystem: it is a storage controller rather than a passive memory device or host processor. Its DRAM-less architecture can simplify SSD board design by reducing the external memory requirement, although the final performance and reliability still depend on NAND selection, firmware configuration, validation, and the complete SSD implementation.
The verified datasheet search results describe the SM2246XT as a SATA 6Gb/s controller and associate the device with small-form-factor, low-power client and industrial storage. Separate SSD technical material identifies SLC caching as a method for accelerating burst performance and direct-to-MLC mode as a method for improving sustained-write performance. These are workload-dependent behaviors rather than universal guarantees, so system designers should validate them with the intended NAND type, drive capacity, firmware revision, and representative workloads.
Typical applications include M.2 SATA SSDs, mSATA SSDs, compact client computers, tablet PCs, Ultrabook storage, and embedded storage products. The verified M.2 and mSATA references also identify the controller as suitable for products using SLC caching and direct-to-MLC operation. These applications require board-level integration with NAND packages, SATA signal routing, power delivery, thermal management, firmware, and a manufacturing test process.
A key design consideration is that controller selection alone does not determine final SSD performance. Validate the NAND interface, supported flash generations, ECC and wear-leveling behavior, power states, boot code, and the vendor-provided reference design before production. The available verified data does not specify package dimensions, pin assignments, operating voltage, current, temperature, endurance, or lifecycle status, so those values must be obtained from the manufacturer technical documentation rather than inferred.
This page synthesizes the verified controller description, manufacturer-published document search result, SSD application references, and cross-reference search findings. It also highlights where engineering validation is required: the available search data confirms the controller identity and intended storage use cases, but it does not establish a validated drop-in replacement or a complete electrical datasheet specification set.
Alternatives de remplacement direct pour SM2246XT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
SM2246XT-H-AA
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
SM2246XT Valeurs maximales et caractéristiques électriques
| Product Type | SATA 6Gb/s DRAM-less SSD Controller |
| Host Interface | SATA 6Gb/s |
| External DRAM Requirement | DRAM-less |
| Primary Storage Application | Solid-state drives |
| Target Market | Client and industrial storage |
| Form-Factor Context | Small form factor |
| SLC Caching Support | Yes |
| Direct-to-MLC Mode | Yes |
| NAND Support | SLC, MLC, and TLC according to search result |
| Document Description | SATA 6Gb/s DRAM-less SSD Controller |
| Verified Datasheet File Size | 843 Kbytes |
| Verified Datasheet Page Count | 2 pages |
| Manufacturer | Silicon Motion Technology Corp. |
Guide de configuration des broches du SM2246XT standard
Configuration des broches du SM2246XT (boîtier standard). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour SM2246XT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
SM2246XT convient pour 6 applications: M.2 SATA SSD, mSATA SSD, Ultrabook Storage, Tablet PC Storage, Industrial Storage, Embedded Storage Systems.
M.2 SATA SSD
The SM2246XT is a practical controller choice for a compact M.2 SATA SSD because the verified Viking Technology document identifies it in an M.2 2260 SATA SSD design. The system uses the controller to manage NAND storage and expose a SATA 6Gb/s host interface. SLC caching can accelerate burst performance, while direct-to-MLC mode is presented as a way to improve sustained-write behavior. Final performance depends on the selected NAND, firmware, capacity, workload, and validation profile.
Recommandé
mSATA SSD
The verified Viking Technology MO-300 document associates the SM2246XT with an mSATA SSD, providing evidence for use in this compact storage form factor. The controller supports the SATA 6Gb/s interface and a DRAM-less SSD architecture according to the manufacturer search result. Integration requires NAND flash, power sequencing, thermal design, firmware, and a validated mSATA board layout; the controller should not be treated as a standalone SSD module.
Recommandé
Ultrabook Storage
The SM2246XT is identified by the manufacturer search result as suitable for low-power small-form-factor storage in Ultrabooks and related client systems. Its SATA 6Gb/s interface fits a conventional storage link, while the DRAM-less design can reduce the number of supporting memory components compared with a controller architecture requiring external DRAM. Actual laptop suitability depends on power consumption, thermals, boot behavior, NAND qualification, and system firmware compatibility.
Recommandé
Tablet PC Storage
The manufacturer description explicitly includes Tablet PCs among the intended applications for the SM2246XT. In a tablet storage design, low power and compact form factor are central requirements, and the controller provides a SATA SSD interface for compatible storage modules. Designers must still verify the host platform's SATA support, power states, thermal limits, boot requirements, and the complete SSD validation profile before selecting the controller.
Recommandé
Industrial Storage
Silicon Motion describes the SM2246XT as suitable for low-power client and industrial storage solutions. This makes it relevant to embedded storage products where the SSD must combine NAND management with a standardized SATA host interface. Industrial adoption requires additional qualification because the supplied data does not state an industrial temperature range, endurance target, lifecycle commitment, or formal reliability qualification. Validate those requirements against the final drive specification.
Recommandé
Embedded Storage Systems
The SM2246XT can serve as the storage controller inside an embedded system that uses a compatible SATA SSD interface. The verified manufacturer result positions the device for embedded applications and highlights DRAM-less operation, while the SSD references show use with M.2 and mSATA products. Embedded integration requires careful review of NAND support, firmware availability, boot behavior, power-loss recovery, operating temperature, and the manufacturer's reference design.
Recommandé
Données de référence d'ingénierie pour SM2246XT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | SM2246XT-H-AA |
|---|---|---|
| Product Category | SATA 6Gb/s DRAM-less SSD Controller | Related SM2246XT variant; full category verification not supplied |
| NAND Support | SLC, MLC, and TLC according to secondary search result | SLC, MLC, and TLC according to secondary search result |
Principaux différenciateurs
- Known use in compact M.2 SATA SSD designs (vs Generic SATA SSD controller without a supplied SM2246XT SSD reference)
- Known use in mSATA SSD designs (vs Generic controller without a supplied mSATA design reference)
- DRAM-less positioning (vs Controller architectures requiring external DRAM)
- Workload-oriented storage features (vs A controller without verified SLC caching or direct-to-MLC support)
Notes de conception
Do not finalize the SM2246XT power tree from the available search results because operating voltage, current, reset behavior, and power-state limits are not supplied. Obtain the manufacturer electrical specification, then design input filtering, rail sequencing, decoupling, and power-loss recovery around those limits. The controller is DRAM-less, but the NAND array, PHY, and host interface still require deterministic power delivery.
Use the official SM2246XT reference layout before placing the controller, NAND, SATA interface, and supporting components. The verified materials describe SSD use cases but do not provide a complete PCB stack-up, differential-pair geometry, impedance target, or pinout. Validate high-speed SATA and NAND routing with the referenced design and signal-integrity simulations rather than copying an unrelated SSD controller layout.
Thermal qualification must be performed at SSD level because NAND activity, controller workload, enclosure, and ambient temperature determine heat dissipation. The verified data does not provide controller power dissipation or thermal resistance, so no defensible junction-temperature estimate can be calculated from the supplied information. Measure temperature during sequential writes, idle operation, startup, and worst-case sustained workloads.
Avoid selecting SM2246XT solely because another SSD uses the same controller or because both products advertise SATA 6Gb/s. Confirm NAND type, capacity, firmware, ECC behavior, power-loss protection, wear-leveling expectations, and the exact package before release. The supplied search results confirm known SSD applications but do not prove that one controller, package, or firmware profile is universally interchangeable.
Informations de conformité
The supplied verified data contains controller descriptions, SSD application documents, and distributor search results but does not provide formal RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification statements.