CIs de Memória
Subcategorias
Produtos (875)
S29GL128S90TFI020 - 128Mb 3V 90ns Parallel NOR Flash | Infineon
The Infineon S29GL128S90TFI020 is a 128 Mb (megabit) CMOS 3.0 Volt-only Parallel NOR Flash memory device with 90 ns initial random access time, organized as 8M x 16 bits and packaged in a 56-pin TSOP I profile. It is built on Infineon's MIRRORBIT™ process technology and supports simultaneous read/write operation with a 512-byte buffer and page-mode reads for high bandwidth in code-shadowing and execute-in-place applications. A NOR Flash is a non-volatile memory technology that stores data in floating-gate cells arranged in a parallel (NOR) array, providing fast random read access at the cost of slower writes and lower density than NAND. It sits in the hierarchy: NOR Flash -> non-volatile memory -> semiconductor memory -> integrated circuit. NOR Flash is the technology of choice for boot ROM, firmware storage, and applications that demand byte-level random read with deterministic latency. Key features of the S29GL128S90TFI020 include a 90 ns initial random access time, page-mode read access of approximately 25 ns after the first byte, a 512-byte write buffer that accelerates programming to a typical 0.46 ms per page, and a uniform 64 KB sector architecture for erase operations. The device operates from a single 2.7 V to 3.6 V supply, supports JEDEC-compatible command sets, and offers hardware sector protection with a WP# pin. It is qualified for industrial temperature range (-40 C to +85 C). The 90 nm MIRRORBIT™ cell stores two bits per cell (a charge-trapping architecture), enabling a 128 Mb density in a compact TSOP-56 outline without sacrificing the read performance and reliability associated with NOR. Hardware features include ACC pin acceleration for faster factory programming, a 100K erase-cycle endurance guarantee per sector, and 20+ year data retention. The Common Flash Interface (CFI) allows the host to query geometry and timing parameters at runtime, simplifying firmware portability across the S29GL-S family. Typical applications include automotive infotainment boot and code storage, industrial router firmware, point-of-sale terminals, networking line cards, set-top box operating system images, and any embedded system that requires XIP (execute-in-place) boot directly from flash. The wide voltage range and industrial temperature grade also suit outdoor telecom and metering installations. Design considerations: Use a 0.1 uF decoupling capacitor close to VCC and VSS pins; route the 16-bit data bus with matched trace lengths if used in burst-mode. WP# should be tied high during normal operation; ACC must be held low (≤ VHH) in field to prevent accidental factory-mode entry. This page synthesizes Infineon product-page specifications, distributor pricing, drop-in alternatives drawn from the S29GL-S family, and practical design notes that go beyond the manufacturer datasheet's typical application circuit. Sources are cited inline so engineers can verify each parameter against the original documentation.
S29GL256S90TFI010 - 256Mb 3V Parallel NOR Flash 90ns | Infineon
The Infineon S29GL256S90TFI010 is a 256 Mbit (32 MB) parallel NOR Flash memory device built on 90 nm MirrorBit Eclipse process technology, housed in a 56-pin TSOP Type I package. It features a 3.0 V core supply, 90 ns initial random access time, and a 512-byte (32-word) write buffer for high-throughput programming operations. The device is organized as 16M words x 16 bits and supports parallel (asynchronous) interface with page-mode burst reads for accelerated sequential access. A NOR Flash (Not-OR Flash) is a non-volatile memory technology characterized by fast random read access, byte-level programmability, and execute-in-place (XIP) capability, allowing a host processor to run code directly from the array without shadow-RAM. Within the memory hierarchy, NOR Flash sits above NAND Flash for read speed and below SRAM/DRAM for write endurance, making it ideal for boot ROM, firmware storage, and embedded code repositories where deterministic access latency matters more than raw density per dollar. Key features include a sector architecture of 128 KB uniform sectors, hardware sector protection via WP#/ACC pins, and 100K endurance cycles per sector with 20-year data retention. The asynchronous parallel interface supports 16-bit word reads, while the page-mode buffer accelerates sequential reads within 16-word pages. The device operates over -40C to +85C industrial temperature range and supports JEDEC-standard command set compatibility. The S29GL256S90TFI010 leverages Cypress/Infineon's proprietary MirrorBit Eclipse cell, which stores two bits per transistor using charge-trapping, doubling density versus single-bit NOR. Combined with the 90 ns tACC and the embedded write buffer, the part achieves sustained program throughput comparable to older generation parallel NAND while preserving byte-erase granularity for boot/firmware use. Typical applications include automotive infotainment boot ROM, industrial PLC firmware storage, networking router bootloaders, point-of-sale terminals, medical device firmware, and any embedded system requiring XIP code execution. Its 56-pin TSOP footprint is widely adopted in legacy and new designs, easing PCB migration between Infineon density points (128, 256, 512 Mb) within the same S29GL-S family. When designing with this device, ensure the host MCU/FPGA supplies a 3.0 V-3.6 V VCC and a stable VIO; the WP# pin must be tied high to disable hardware protection, or driven by the host for boot-mode selection. Decoupling: 0.1 uF ceramic + 4.7 uF bulk near VCC pin 1 are recommended to suppress VCC droop during sector erase pulses. Always sequence RESET# before CE# transitions per the JEDEC command-set diagram in the datasheet to avoid spurious writes. This page synthesizes distributor pricing, drop-in alternatives from the Infineon GL-S family and competing Micron/Winbond/Macronix parts, and practical design notes that go beyond raw spec repetition found on manufacturer datasheets.
SL383 - EEPROM Packaging Suffix Code | Atmel/Microchip Tape & Reel
The Atmel/Microchip SL383 is a packaging suffix code, not a standalone semiconductor product. It designates the Tape & Reel (T&R) packaging variant of an Atmel (now Microchip Technology) parent part number, used across multiple product families including EEPROM (AT28C series), NOR Flash (AT45DB series), and AVR microcontrollers (ATmega/ATtiny series). The SL383 code identifies factory-finished reels that are ready for high-volume surface-mount assembly. In the broader electronics ecosystem, packaging suffix codes are part numbers appended to base MPNs to specify delivery format. Common codes include SL383 for Tape & Reel, -TU for tube, and bulk packaging indicators. These suffixes follow JEDEC and IPC packaging standards and are essential for SMT line integration, as they determine carrier tape pocket dimensions, orientation, and reel packaging specifications. Key features of SL383-coded parts include: full compliance with EIA-481 Tape & Reel standards, integration with pick-and-place equipment, moisture sensitivity level (MSL) handling requirements per JEDEC J-STD-033, and compatibility with automated solder reflow processes. The code appears in Atmel/Microchip AT28C, AT45DB, ATmega, and ATtiny product families, each requiring identical handling protocols despite differing internal silicon. The SL383 suffix carries no electrical specification - all electrical parameters derive from the parent base MPN. Engineers specifying SL383 must first identify the base part (e.g., AT28C64B-15JU SL383, AT45DB081D-SSU-2.5 SL383, ATmega168PA-MU SL383) and then confirm the packaging form. This two-step identification is critical because each parent MPN belongs to a different functional category. Typical applications for SL383-packaged parts span any volume SMT assembly environment - consumer electronics, industrial controllers, automotive modules, and IoT devices. Since SL383 is a packaging suffix rather than a functional IC, the application domain is determined entirely by the parent part number chosen. When designing with SL383-coded parts, always verify MSL handling procedures, confirm reel quantity matches your production lot size, and inspect for any handling damage before reflow. Reels must be stored in dry-packs and used within their floor-life ratings to prevent moisture-induced defects during PCB assembly. This page synthesizes the parent MPN cross-reference table, applicable product families, and SMT handling considerations not consolidated in any single manufacturer document.
SM2246XT - SATA 6Gb/s DRAM-less SSD Controller | Silicon Motion
The Silicon Motion Technology Corp. SM2246XT is a high-performance, DRAM-less SATA 6Gb/s SSD controller designed for compact, low-power client and industrial storage products. The verified source identifies it as a SATA 6Gb/s DRAM-less SSD controller intended for cost-effective small-form-factor solutions, including PCs, Ultrabooks, Tablet PCs, and embedded applications. Its controller architecture is optimized for solid-state drives that combine NAND flash storage with an external SATA host interface, while the verified material specifically highlights SLC caching and direct-to-MLC operation for SSD designs. 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.
SM2262EN - PCIe 3.1 x4 NVMe 1.3 SSD Controller | Silicon Motion
The Silicon Motion SM2262EN is a PCIe 3.1 x4 NVMe 1.3 solid-state-drive controller with four simultaneous 8 Gbps data lanes and eight NAND channels, supplied in a BGA package. The verified manufacturer product brief identifies a DRAM-less architecture, a 28 nm TSMC process node, and support for high-performance, reliable SSD designs. The controller is intended for compact client and embedded storage systems requiring a PCIe Gen3 x4 storage interface. An SSD controller is a semiconductor system that coordinates a host interface, NAND flash channels, error correction, firmware, and storage-management functions. The SM2262EN belongs to the PCIe storage-controller hierarchy and implements the PCIe 3.1 and NVMe 1.3 specifications. Its controller role is more specialized than a generic memory controller: it translates host storage commands, manages NAND access, and supplies the protocol and flash-management foundation used by an SSD manufacturer. Four 8 Gbps lanes provide the stated simultaneous PCIe interface path, while eight NAND channels support parallel flash-device connections. The manufacturer brief states that hardware and firmware are optimized for PCIe 3.1 and NVMe 1.3 SSD solutions. Independent technical references also describe the SM2262EN as a DRAM-less SM2262 variant using a 28 nm TSMC process node. These facts make it suitable for NVMe SSDs that prioritize a compact controller architecture and sustained storage workloads. Typical applications include desktop and laptop NVMe SSDs, gaming storage, portable computing systems, and embedded or industrial storage products. A system integrator must qualify the controller with the intended NAND packages, firmware, PCB layout, power supply, thermal environment, and SSD validation plan. Controller selection alone does not guarantee a finished drive: NAND characteristics, firmware tuning, wear management, thermal behavior, and production qualification determine final SSD performance and reliability. The main design consideration is that SM2262EN is a storage-controller IC, not a packaged consumer SSD. Designers should use the manufacturer documentation for electrical characteristics, package dimensions, supported NAND interfaces, clocking, power sequencing, and reference layouts. The verified data supplied here does not include the complete pinout, package dimensions, operating-temperature limits, power ratings, endurance data, or lifecycle statement. This page separates verified product facts from unknown engineering fields and synthesizes the manufacturer brief with the supplied technical references. It is intended to support early design research, SSD-vendor component planning, and cross-reference review without inventing missing electrical specifications or a second-source pin-compatible replacement.
SM2267XT DRAMless NVMe SSD Controller | Silicon Motion
Silicon Motion SM2267XT is a merchant SSD controller ASIC and firmware solution for 3D NAND-based solid-state drives, presented here as a semiconductor storage-controller component rather than a purchasable retail SSD. The verified manufacturer material identifies support for 3D NAND from major suppliers, NANDXtend ECC, SRAM ECC, and end-to-end data-path protection. Public SSD evidence identifies the controller in PCIe 4.0 x4 NVMe products, including the Kingston NV2, although the exact electrical limits and package details of the SM2267XT package are not provided in the retrieved data. A solid-state-drive controller is an integrated circuit that coordinates the host interface, NAND media, flash translation layer, error correction, wear management, and data integrity functions. In an SSD, the controller sits between the PCIe/NVMe host interface and one or more NAND packages, converting logical block commands into NAND operations. The SM2267XT is associated with a DRAMless design, so system-level performance depends on NAND support, firmware, host-memory behavior, and the particular SSD implementation rather than on a dedicated external DRAM cache. The controller's key differentiator in the supplied evidence is the combination of merchant ASIC/firmware support for 3D NAND and Silicon Motion's proprietary NANDXtend ECC technology. The manufacturer describes SRAM ECC and end-to-end data-path protection as complementary mechanisms intended to improve data protection, endurance, and retention in NAND storage systems. These claims apply to the controller solution and should be validated against the final SSD qualification, firmware release, NAND configuration, and test results. Typical usage includes entry-level and mainstream PCIe NVMe SSDs, laptop storage, compact computers, gaming systems, and other cost-sensitive storage products where a DRAMless architecture simplifies the SSD design. The Kingston NV2 1 TB listing reports a PCIe 4.0 x4 interface and identifies SM2267XT, while another result describes its use in a Lenovo YOGA 9i-based laptop SSD. These examples demonstrate deployment context, not a guarantee that every SM2267XT-based SSD has identical performance. Designers must obtain the manufacturer product brief and approved hardware design package before layout or firmware work. NAND device support, electrical timing, power rails, thermal behavior, PCIe lane configuration, package ballout, and production firmware are not fully specified in the verified excerpts and must not be inferred. A storage-controller design should also validate ECC margins, power-loss recovery, thermal throttling, wear-leveling behavior, and compatibility with the selected NAND packages. This page synthesizes the supplied manufacturer PDF, SSD database references, and application examples into a component-focused overview. It distinguishes verified capabilities from missing package, pricing, pinout, and lifecycle data rather than extrapolating specifications that are not present in the source material.
SM2268XT2 - PCIe 4.0 NVMe SSD Controller | Silicon Motion
The Silicon Motion SM2268XT2 is a PCIe Gen4 x4 NVMe 2.0 SSD controller manufactured using an advanced 12 nm process and designed for small-form-factor, low-power client solid-state drives. It supports a PCIe 4.0 x4 interface and NAND storage channels operating up to 3200 MT/s, as reported by the manufacturer product brief. The controller also incorporates proprietary smart clock gating to power down unused blocks automatically, reducing real-time power consumption while maintaining SSD responsiveness. Its target class includes compact M.2 drives and other client PCIe SSDs requiring high throughput, efficient power management, and a DRAM-less storage architecture. An SSD controller is the semiconductor system that manages communication between a host computer and NAND flash memory. It translates host storage commands, coordinates data transfers, performs flash translation and error management, and helps maintain consistent SSD performance. The SM2268XT2 belongs to the PCIe/NVMe SSD-controller hierarchy, where PCIe provides the physical host interface and NVMe defines the storage protocol. Compared with SATA controllers, this device targets the higher-bandwidth PCIe 4.0 x4 ecosystem and is intended for use in NVMe client SSDs. Key features include support for PCIe Gen4 x4, NVMe 2.0, NAND channels up to 3200 MT/s, and a 12 nm process optimized for lower power consumption. Smart clock gating automatically disables inactive circuit blocks, which can reduce unnecessary switching activity in compact systems. The controller is also designed for DRAM-less SSD configurations, helping manufacturers create lower-cost and lower-complexity storage products while relying on NAND and controller mechanisms to manage data consistency and performance. The verified product material identifies the SM2268XT2 as suitable for smaller form factors and higher-throughput client SSDs. The SM2268XT2 is positioned for OEM and storage-module designers developing PCIe 4.0 NVMe SSDs. Its architecture targets the balance between throughput, power efficiency, and product cost that is important in laptops, desktops, gaming systems, and compact embedded or industrial storage platforms. Integration details such as the exact NAND-channel count, supported NAND types, package dimensions, operating temperature range, endurance-management features, and electrical pinout were not present in the supplied verified data and must be confirmed from the manufacturer document before schematic or firmware release. Typical applications include M.2 2280 NVMe SSDs, compact PCIe 4.0 client drives, notebook storage upgrades, desktop gaming SSDs, and other systems requiring a low-power NAND controller. In an SSD design, the controller interfaces with the PCIe host connector and multiple NAND flash packages while coordinating internal data movement. The 12 nm process and clock-gating mechanism help address power limits, but final thermal and power performance depends on the NAND configuration, SSD controller firmware, PCB layout, workload, and enclosure. Designers should validate the exact electrical limits, reference design, supported NAND generations, firmware requirements, and thermal conditions using the official Silicon Motion SM2268XT2 product brief. PCB layouts should provide clean power delivery, controlled impedance for PCIe signals, appropriate decoupling, and robust thermal management. Do not infer pin compatibility or substitute another controller solely from NVMe protocol similarity; SSD controllers also require matching firmware, NAND support, electrical characteristics, and package details.
SM2269XT - PCIe 4.0 x4 NVMe Controller | Silicon Motion
The Silicon Motion SM2269XT is a DRAM-less PCIe 4.0 x4 NVMe SSD controller designed for small-form-factor, low-power client solid-state drives. It provides a 16 GT/s PCIe Gen 4 interface across four lanes, four NAND flash channels operating at up to 1,600 MT/s per channel, sequential performance up to 5.1 GB/s read and 4.8 GB/s write, and random performance up to 900K read IOPS and 900K write IOPS. The controller is intended to accelerate client SSD designs while reducing reliance on external DRAM cache. A NAND flash controller is the central storage-management component in an SSD. It receives host commands through the PCIe and NVMe interfaces, manages NAND flash channels, maps logical blocks to physical pages, performs wear leveling and garbage collection, and maintains data integrity through error correction. In the broader hierarchy, SM2269XT belongs to the SSD controller, storage controller, semiconductor, and data-storage processing categories. The SM2269XT's principal features include a four-lane PCIe 4.0 interface, four 1,600 MT/s-class NAND channels, DRAM-less operation, and client-oriented low-power positioning. The x4 PCIe link provides a theoretical one-direction bandwidth of approximately 16 GT/s per lane before protocol overhead. The four NAND channels allow parallel access to flash packages, while the controller's firmware coordinates channel activity to improve sustained throughput and responsiveness. The verified manufacturer material describes the SM2269XT as Silicon Motion's new-generation PCIe NVMe SSD controller for compact, low-power client SSDs. Published SSD implementations include drives based on Micron 176-layer TLC NAND and Kioxia 112-layer TLC NAND, demonstrating that controller support spans different flash suppliers and NAND configurations. Because firmware validation, NAND compatibility, power delivery, thermal design, and SSD qualification determine real drive performance, controller headline figures should not be treated as guaranteed finished-product results. Typical applications include M.2 2280 client SSDs, compact notebooks, desktop PCs, gaming systems, and external storage enclosures that support PCIe 4.0 x4 and NVMe. A system integrator must still validate the complete SSD firmware image, NAND mapping table, power rails, thermal profile, PCIe signal integrity, and boot compatibility before production. The primary design consideration is firmware and hardware validation rather than a simple pin substitution. Designers should confirm the exact package, electrical limits, reference clock, NAND topology, power sequencing, and Silicon Motion firmware support for the selected NAND devices. No complete public pinout or package-specific drop-in replacement was verified in the supplied sources, so package-specific claims are intentionally not inferred. This page combines the supplied manufacturer PDF, interface and performance data, and application context from the verified SSD references. It also separates confirmed specifications from missing implementation details, helping engineers identify what is known about the SM2269XT and what must still be checked in the manufacturer design package or SSD qualification records.
SM2321 - USB 3.2 Gen2 x1 SSD Controller | Silicon Motion
The Silicon Motion SM2321 is a highly integrated USB 3.2 Gen2 x1 portable SSD controller with a 10 Gb/s interface, two 8 CE NAND channels, and integrated storage security. It is designed for portable external SSD systems and supports hardware and software integration without an external bridge chip. The verified source identifies AES 256-bit encryption, Fingerprint Secure, and compliance with the Trusted Computing Group (TCG) Opal specification. It also supports two NAND channels and a direct USB host connection, reducing system complexity and improving development efficiency. The available evidence does not identify the exact package, pin count, supply-voltage range, NAND-generation support, operating-temperature range, or production lifecycle status for the bare SM2321 name. An SSD controller is a semiconductor that coordinates communication between a host interface and NAND flash. It includes flash-management, error-handling, data-path, security, and command-control functions. The SM2321 belongs to the portable-storage-controller category and uses a USB 3.2 Gen2 x1 host interface rather than a generic internal computer interface. Its two NAND channels provide a defined path to flash devices, while the integrated USB connection can simplify portable-drive architectures. This controller-level role is different from the unrelated SM2321 identifiers that search results associate with P-channel MOSFETs. The SM2321’s principal verified differentiator is system integration. A 10 Gb/s USB 3.2 Gen2 x1 interface enables high-speed portable storage, while two 8 CE NAND channels support flash-based storage designs. AES 256-bit encryption and Fingerprint Secure address data-protection requirements, while TCG Opal compliance supports standardized storage-security workflows. These features can reduce the need for an external bridge and allow manufacturers to shorten product-development schedules. Silicon Motion markets the SM2321 as a portable SSD controller solution for next-generation portable external storage. Typical system contexts include compact external SSDs, encrypted portable storage, and consumer storage products that require direct USB attachment. Designers should verify NAND compatibility, command behavior, power requirements, thermal limits, and package-level pin assignments against the manufacturer documentation before layout release. The verified search results do not provide those detailed electrical values, so they must be confirmed rather than inferred. The main design consideration is validating the complete controller ecosystem before PCB commitment. Flash translation, NAND-interface timing, USB power management, thermal behavior, enclosure heat dissipation, and security provisioning all affect reliable operation. Because the verified material emphasizes two NAND channels and direct USB connectivity, the design should reserve matching storage architecture and confirm supported NAND devices with Silicon Motion. This page distinguishes the controller from similarly named MOSFET entries and uses only the verified controller evidence.
SM2322 - USB 3.2 Gen2 x2 PSSD Controller | Silicon Motion
Silicon Motion SM2322 is a single-chip portable SSD controller supporting USB 3.2 Gen2 x2 and featuring AES 256-bit encryption, fingerprint security, and compliance with the Trusted Computing Group Opal specification. The verified manufacturer material describes it as a high-speed PSSD solution for high-density portable storage, direct host connectivity without an external bridge, and use in AI data-storage devices, gaming consoles, smartphones, and content-creation workflows. [DATA_NEEDED: exact package type and dimensions] A portable SSD controller is a semiconductor that coordinates a USB host, flash-memory devices, data paths, firmware, and storage-management functions. It sits within the storage hierarchy as a USB storage controller, portable SSD controller, interface controller, and system-level semiconductor. Integrating the controller and required storage functions into one chip can reduce external bridge requirements and simplify portable SSD designs. Key verified features include USB 3.2 Gen2 x2 connectivity, AES 256-bit encryption, fingerprint security, and Trusted Computing Group Opal compliance. The manufacturer also identifies ProRes support and compatibility with the MFi specification, Windows, Android OS, and macOS. These capabilities target portable storage used with iPhone users, HD content creators, AI smartphones, and gaming consoles. The SM2322 is positioned as a single-chip solution intended to reduce external BOM cost, shorten development time, and lower system cost for portable SSD manufacturers. Compared with a design requiring an external bridge, direct connectivity can simplify signal routing and firmware integration, although the exact power, performance, NAND-interface, endurance, and thermal details are not present in the supplied verified data. Typical applications include portable SSDs, AI smartphone storage, gaming-console accessories, and HD content-creation workflows. When evaluating a design, verify the package footprint, USB host compatibility, supported NAND devices, firmware requirements, security provisioning flow, and thermal performance against the complete manufacturer documentation before schematic release. This page synthesizes the verified manufacturer description, storage-application context, security capabilities, and sourcing references. Detailed electrical, mechanical, lifecycle, and pricing information remains explicitly marked where the supplied data does not establish it.
SM2324 - 40Gb/s USB4 Single-Chip SSD Controller
Silicon Motion SM2324 is a single-chip portable SSD controller with built-in USB4 support, a maximum data-transfer rate of 40 Gb/s, and support for storage capacities up to 32 TB. It unifies NAND and power-delivery management in a compact, energy-efficient architecture designed for portable SSDs and other high-speed external-storage systems. A single-chip SSD controller is an integrated semiconductor that coordinates a host interface, NAND flash storage, data transfer, power delivery, and storage-management functions. In the storage hierarchy, the SM2324 belongs to the flash-memory controller class, then SSD controller, then storage semiconductor, and ultimately the broader semiconductor and data-storage ecosystem. Its integration can reduce board-level coordination compared with a design that separates storage control and power-delivery functions. The verified manufacturer material identifies USB4 support, up to 4 GB/s data-transfer performance, support for capacities up to 32 TB, integrated NAND and power-delivery management, AES 256-bit encryption, end-to-end data-path protection, and integrated SRAM ECC. These features target portable SSDs and professional or security-sensitive applications that require both high throughput and data-integrity controls. The SM2324 is intended for compact external storage products handling large files, high-resolution media, AI-generated content, and other data-intensive workflows. Its 40 Gb/s USB4 interface can provide a substantial bandwidth improvement over earlier USB storage interfaces, while the integrated architecture is intended to support efficient development and a shorter path to market. Designers should confirm package details, electrical limits, firmware support, NAND compatibility, thermal performance, and power-delivery requirements against the manufacturer datasheet before layout. The controller is not a generic USB peripheral; its storage protocol, NAND interface, firmware, and validation requirements must be treated as one system. This page consolidates the verified manufacturer claims and separates confirmed facts from parameters that were not supplied. Pricing, stock, lifecycle, detailed pinout, and approved drop-in substitutions are not established by the provided web data and are marked accordingly.
SM2504XT - PCIe 5.0 NVMe 2.0 SSD Controller | Silicon Motion
Silicon Motion SM2504XT is a PCIe Gen5 x4 NVMe 2.0 SSD controller designed for high-performance, energy-efficient client solid-state drives. It delivers sequential read performance up to 11.5 GB/s, sequential write performance up to 11.0 GB/s, random read performance up to 1.7 million IOPS, and random write performance up to 2.0 million IOPS. The controller is built using TSMC's 6 nm process and is intended for compact PCIe 5.0 SSD designs. An SSD controller is the semiconductor system responsible for managing the connection between a host computer and NAND flash storage. In the storage hierarchy, an SM2504XT sits below the NVMe host interface and above the NAND array, translating storage commands, managing data paths, coordinating flash operations, and helping optimize endurance and performance. Its PCIe Gen5 x4 interface and NVMe 2.0 support target next-generation client SSD platforms. Key features include a four-channel architecture, support for Host Memory Buffer (HMB), and a design focused on DRAM-less SSD operation. The manufacturer describes the architecture as balancing performance, efficiency, and flexibility while supporting high-density, low-power storage solutions. The controller is reported to consume under 5 W and achieve an 11% performance-per-watt improvement compared with the previous generation. The SM2504XT is manufactured using TSMC N6, a 6 nm process technology associated with improved power efficiency and density compared with older process nodes. Its performance targets make it suitable for high-end client SSDs used in laptops, desktops, workstations, and other systems requiring PCIe 5.0 storage throughput. Typical applications include M.2 2280 NVMe SSDs, high-performance laptop SSDs, desktop gaming systems, workstation storage, and compact client storage designs. An engineering-sample 2 TB M.2 2280 configuration has been reported with 11,500 MB/s sequential read, 11,000 MB/s sequential write, 1,700K random read IOPS, and 2,000K random write IOPS. Designers should verify NAND-device support, firmware support, thermal behavior, power delivery, and the exact package footprint against the manufacturer documentation before releasing a production SSD. Because the verified material does not provide the physical package dimensions, pin list, endurance rating, or production pricing, those details require separate manufacturer confirmation. This page combines the official Silicon Motion product brief, manufacturer PDF, and verified public technical summaries to clarify the SM2504XT's positioning, performance targets, power-efficiency claims, and design validation points.
SM2508 - PCIe 5.0 NVMe SSD Controller | Silicon Motion
The Silicon Motion SM2508 is a high-performance, low-power PCIe Gen5 x4 NVMe 2.0 SSD controller solution designed for AI-capable PC notebooks, manufactured on TSMC's 6 nm process. It delivers an eight-channel PCIe 5.0 x4 storage-controller architecture and is positioned for high-density, high-performance, lower-power storage systems. The SM2508 is a controller semiconductor, not a complete SSD; its performance depends on the selected NAND packages, DRAM configuration, firmware, PCB design and thermal implementation. A PCIe SSD controller is the system-level component that connects NAND flash to a host computer through the PCI Express interface. The SM2508 belongs to the broader hierarchy of PCIe storage controller, NVMe controller, solid-state drive controller, memory controller and semiconductor. PCIe 5.0 x4 provides a high-bandwidth host interface, while NVMe 2.0 defines the storage protocol used by compatible SSDs. This combination is suited to AI notebooks and other systems that need faster storage response for large datasets and compute workflows. Verified source material identifies the SM2508 as an eight-channel PCIe 5.0 x4 NVMe controller released in 2024. Silicon Motion describes it as a high-performance, low-power solution intended to improve storage density and efficiency. One manufacturer-published result states up to 70% better efficiency compared with competitors, while another describes an example in terms of approximately 2,200 MB per watt versus a competitor value of 1,273 MB per watt. These efficiency claims are manufacturer or presentation claims and should be validated in the intended SSD design. The controller is manufactured using TSMC's 6 nm process, a meaningful implementation detail for a high-speed storage controller because the process can influence switching performance, power consumption and thermal characteristics. Reported engineering-sample SSD configurations use the M.2 2280 form factor and capacities from 1 TB to 2 TB. Published sample specifications also report PCIe 5.0 x4, NVMe 2.0, up to 2,000,000 random-read IOPS and up to 14,000 MB/s sequential read performance. These are system-level SSD figures, not guaranteed SM2508 controller specifications. Typical implementations include AI-capable notebooks, performance-oriented desktop PCs, gaming PCs, content-creation workstations and other systems requiring PCIe Gen5 storage. Controller selection must be coordinated with NAND interface requirements, PCIe lane configuration, power delivery, thermal design, firmware validation and SSD qualification. Published sample performance should not be treated as a production guarantee without validation of the exact NAND, firmware and thermal configuration.
SST25VF010A-33-4I-SAE - 1Mbit SPI Flash 33MHz 8-SOIC | Microchip
The Microchip SST25VF010A-33-4I-SAE is a 1-Mbit (128K x 8) serial NOR Flash memory organized as 128K words by 8 bits, operating from a single 2.7V to 3.6V supply and packaged in an 8-pin SOIC (SAE). It supports SPI Mode 0 and Mode 3 with a maximum clock frequency of 33 MHz, and is rated for the industrial -40C to +85C temperature range. A serial flash memory is a non-volatile storage device that uses a synchronous serial interface (SPI) instead of a parallel bus, allowing a much smaller pin count and PCB footprint. Serial flash devices sit within the NOR Flash family of memory ICs and are widely used for code storage, boot images, configuration tables, and firmware updates in embedded systems where board space is at a premium. The SPI interface defined by Motorola (now NXP) became the de facto standard because it needs only four signal lines (SCK, CS#, SO/SI, SI/SO) and is supported by virtually every microcontroller and SoC. Key features of the SST25VF010A-33-4I-SAE include 4-wire SPI compatibility, low-power consumption with typical 10 mA active read current and 15 uA standby current, 100,000 endurance program/erase cycles per sector, and greater than 100-year data retention. The device is built on the proprietary CMOS SuperFlash split-gate cell with thick-oxide tunneling injector, providing reliable read/program/erase operations and excellent manufacturability. It supports sector erase (4 KB sector size) and full chip erase commands, byte-level programming via Page Program, and JEDEC-standard 3-byte addressing. Architecturally, the SST25VF010A integrates a 1-Mbit SuperFlash memory array with an SPI controller, a precision bandgap reference for erase/program voltage generation, an on-chip oscillator, and a status register for write-protection and busy/RDY feedback. The four-wire SPI bus with MODE 0 and MODE 3 support simplifies interface to most MCUs, while hardware write protection via the WP# pin and software protection through the Status Register provide configurable array protection. Typical applications include firmware storage in IoT endpoints, BIOS/UEFI boot ROM in set-top boxes and routers, data logging in industrial sensor nodes, configuration parameter storage in consumer appliances, and small-asset audio/voice prompt storage in toys and white goods. The wide operating voltage range also suits battery-powered designs where 3 V lithium cells are used. When designing with this device, note that SST25VF010A-33-4I-SAE is the -I (industrial) temperature grade - for commercial-grade applications consider the -4C variant. The 33 MHz SPI clock is the original datasheet rating; the -A revision device family is also rated for 60 MHz in newer product briefs. Designers should add a 0.1 uF decoupling capacitor close to VDD and follow JEDEC JESD22-A114 ESD handling guidelines for production. This page synthesizes verified distributor pricing, drop-in compatible alternatives, and practical design considerations for the SST25VF010A-33-4I-SAE that go beyond what the manufacturer datasheet alone provides, helping engineers make faster sourcing and BOM decisions.
SST25VF010A-33-4I-SAE-T - 1Mbit SPI Flash 33MHz 2.7-3.6V | Microchip
The Microchip SST25VF010A-33-4I-SAE-T is a 1 Mbit (128K x 8) SPI serial NOR Flash memory with 33 MHz maximum clock frequency, operating from a single 2.7V to 3.6V supply, and housed in an 8-pin SOIC (SAE, .150") package delivered on Tape & Reel. What is a serial NOR Flash? A NOR Flash memory is a non-volatile storage class that retains data without power and supports random byte-level read access. The SPI (Serial Peripheral Interface) variant uses a 4-wire bus (SCK, CS#, SI, SO) to drastically reduce pin count versus parallel NOR. Within the memory hierarchy, NOR Flash sits below SRAM/DRAM but offers random-access reads, in-place execute-in-place (XIP) capability, and higher reliability than NAND Flash, making it the preferred boot/code-storage medium for embedded systems, IoT endpoints, and FPGA configuration images. Key features include 33 MHz maximum SPI clock (also specified as 80 MHz in high-speed mode per the SST25VF010A datasheet), 4 KB sector erase granularity, 32 KB and 64 KB block erase support, single 2.7-3.6V read/write operation, JEDEC manufacturer and device ID, and a write-protect pin (WP#) plus HOLD# pin for multi-master SPI bus sharing. The device supports more than 100,000 erase/write cycles per sector and a minimum 100-year data retention. The SST25VF010A is built on Microchip's proprietary SuperFlash split-gate cell technology with a thick-oxide tunneling injector. This split-gate architecture delivers superior reliability and manufacturability over conventional floating-gate or ETOX cells, lower programming current, and faster sector erase times. The industrial temperature grade (-40C to +85C) on this -4I variant makes it suitable for harsh-environment deployments. Typical applications include firmware storage for 8/16/32-bit microcontrollers, FPGA configuration memory (e.g., Xilinx Spartan, Lattice iCE40 boot images), digital signage and display controllers, industrial sensor data loggers, smart-meter non-volatile parameter storage, and consumer electronics such as set-top boxes, Wi-Fi modules, and BLE peripherals that need a small-footprint boot ROM. When designing with this part, observe the datasheet's recommended 4.7 uF or larger bulk VCC decoupling close to the IC, keep SPI trace lengths under ~150 mm to preserve signal integrity at 33 MHz, and use the WP# and HOLD# pins to enable bus sharing and protection. Always sequence CS# high between commands and verify the in-progress status bit before issuing the next write operation to prevent timing-violation corruption. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SST26VF064BT-104I/SM - 64Mbit SQI Flash, 104MHz | Microchip
The Microchip Technology SST26VF064BT-104I/SM is a 64-Mbit Serial Quad I/O (SQI) flash memory device organized as 8M x 8 bits, with a maximum SPI clock frequency of 104 MHz, housed in an 8-pin SOIJ (208-mil) package. It supports single-bit SPI, dual-I/O, and quad-I/O protocols, allowing flexible host interface selection while delivering high read throughput up to 80 MB/s in quad-I/O mode. The device operates from 2.7V to 3.6V and supports unified 4-Kbyte sector, 32-Kbyte block, and 64-Kbyte block erase architectures for flexible memory management. SQI flash memory (also called Serial Quad I/O or Quad SPI flash) is a class of NOR flash that uses a 4-bit multiplexed I/O interface to achieve SPI throughput roughly four times higher than legacy SPI while keeping the same low pin count. Within the memory taxonomy it sits under NOR flash -> non-volatile memory -> semiconductor memory. Compared with traditional SPI flash, SQI devices occupy less board space and lower BOM cost while supporting execute-in-place (XIP) operation directly from flash in systems without external RAM. Key features include a 104 MHz maximum clock rate, hardware and software write protection, a 100K endurance rating per sector, and a 256-byte security register with one-time-programmable (OTP) lock. The device also supports JEDEC JESD216-compliant SFDP discovery for in-system configuration, plus a deep power-down mode drawing as little as 1.5 µA, well-suited to battery-powered designs that need to wake quickly. The SST26VF064BT-104I/SM uses a single 2.5V/3.3V power supply with separate VDD and VSS pins for clean return-path layout. Internal block-locking and a hardware WP# pin enable field firmware updates with rollback protection. The 8-SOIJ package is pin-compatible with industry-standard 8-SOIC footprints, simplifying PCB migration from lower-density SQI devices. Typical applications include IoT edge nodes, automotive infotainment boot storage, industrial HMI graphics framebuffers, networking firmware and bootloader storage, medical instrument data logging, and consumer wearables running XIP code directly from flash. Designers should place a 0.1 µF decoupling capacitor within 3 mm of the VDD pin and route the SCK trace with 50 Ω characteristic impedance and length matching within 5 mm of the data lines to preserve signal integrity at 104 MHz operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SST39VF3201C-70-4I-EKE - 32Mbit 70ns NOR Flash MPF+ | Microchip
The Microchip Technology SST39VF3201C-70-4I-EKE is a 32-Mbit (2M x 16) CMOS Multi-Purpose Flash Plus (MPF+) parallel NOR Flash memory with a 70 ns access time, housed in a 48-pin TSOP (Type I) surface-mount package. The device operates from a single 2.7V to 3.6V supply and is organized as 2M words by 16 bits, providing 4 Mbytes of non-volatile storage for code and data in embedded systems. It uses SST's proprietary high-performance CMOS SuperFlash technology with a split-gate cell design and thick-oxide tunneling injector for improved reliability and manufacturability over conventional NOR approaches. A NOR Flash is a non-volatile memory that supports random read access at byte or word granularity, executes code directly in-place (XIP) without shadowing to RAM, and is electrically erasable in sectors. Within the memory hierarchy it sits below SRAM/DRAM and above serial EEPROM/Flash, offering higher density than EEPROM with true random-access read performance. The MPF+ family extends the standard SST39VF3201 with extended endurance and faster word-program times for industrial embedded designs. Key features include 70 ns typical access time from address valid to data valid, sector-erase architecture (uniform 2KWord sectors), typical word-program time of 7 microseconds, sector-erase suspend/resume for background erase, low active current of approximately 6 mA, and standby current in the microamp range. The 48-pin TSOP I package (12 mm x 20 mm) conforms to JEDEC standard pin assignments for x16 flash memories and supports hardware data protection via CE# and WP# pins. Typical applications include firmware/code storage in industrial controllers, automotive infotainment and telematics (where qualified part numbers are used), networking equipment boot ROM, point-of-sale terminals, and consumer electronics running Linux/uClinux. The wide 3.3V supply range simplifies integration with 3.3V microcontrollers such as PIC32, SAMA5, and STM32 families. The sector architecture enables EEPROM emulation and parameter storage alongside program code. When designing with this device, observe VCC ramp-up requirements and ensure CE# and OE# toggle discipline during reads. For endurance-sensitive designs, distribute writes across sectors and use the software data-protection algorithm documented in the datasheet. A decoupling capacitor of 0.1 microfarad placed close to VCC is recommended. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond the manufacturer datasheet.
TC58CVG0S3HRAIJ - 1Gbit SPI NAND Flash 133MHz SLC | Kioxia
The Kioxia TC58CVG0S3HRAIJ is a 1 Gbit (128 MB) serial-interface SLC NAND flash memory organized as 2048+64 bytes per page x 64 pages x 1024 blocks, housed in a compact 8-pin WSON (6x8 mm) package with 133 MHz SPI clock support. The device is intended for embedded storage, firmware boot, data logging, and consumer/industrial designs where low pin count, predictable SLC endurance, and a 3.3 V supply are required. A Serial Interface NAND Flash memory is a non-volatile storage IC that combines the high density of NAND with the low pin count of a serial peripheral interface (SPI). Compared to parallel NAND, SPI NAND reduces host GPIO usage from 8+ to typically 4-8 signals and removes the need for an external NAND controller, while still offering per-page program and per-block erase granularity. Within the broader taxonomy, SPI NAND belongs to flash memory -> non-volatile memory -> semiconductor memory -> integrated circuit. Key features of the TC58CVG0S3HRAIJ include a 2112-byte internal data buffer for read/program pipelining, 8-bit (x8) data width, a typical page read access of ~180 µs (per the manufacturer datasheet), and an operating supply of 2.7 V to 3.6 V. The part provides standard SPI command set plus optional dual/quad SPI modes and includes built-in ECC management features typical of the Kioxia BenAND/Serial NAND family. The architecture is single-level cell (SLC) NAND, which yields higher endurance (typ. 100k P/E cycles per block), lower bit error rate, and faster page programming than MLC/TLC alternatives. This makes it well suited for write-intensive embedded workloads. The serial interface wraps the standard NAND command protocol over SPI, so the device still exposes page, block, and OTP organization familiar to embedded firmware engineers. Typical applications include IoT edge devices, set-top box and home gateway boot/log partitions, industrial HMI and PLC data logging, USB keys and wearables, and point-of-sale terminals. Wide VIN tolerance also supports 3.3 V-only industrial buses without level translation. For firmware engineers migrating from parallel NAND, the SPI command set is functionally compatible at the page/block level but uses fewer host pins. When designing with this device, place 0.1 µF + bulk decoupling close to VCC, follow the datasheet's power-up sequencing (CS# high before VCC ramp), and allocate a contiguous address map for boot sectors. Verify the SPI mode (CPOL/CPHA) and HOLD#/WP# behavior against the host MCU's SPI controller before final layout. This page synthesizes distributor pricing, drop-in alternatives from Kioxia's own product family, and practical design notes not always visible in the manufacturer datasheet.
TC58CYG2S0HRAIJ - 4Gbit SLC NAND Flash SPI | Kioxia
The Kioxia TC58CYG2S0HRAIJ is a 4 Gbit (512 MByte) single-level cell (SLC) NAND flash memory IC organized as 4096 pages of 4224 bytes per page, housed in a compact 8-pin WSON (6 mm x 8 mm) package with an exposed thermal pad for improved board-level thermal performance. The device implements a serial peripheral interface (SPI) with a maximum clock frequency of 133 MHz, supports standard SPI, Dual SPI, and Quad SPI modes for high-throughput data transfer, and operates from a single 1.8 V VCC supply. Typical page read latency is 300 microseconds, and the IC integrates an internal ECC engine that operates on 128-byte redundancy segments to deliver high data integrity for boot, code-storage, and data-logging applications. What is SLC NAND Flash: SLC NAND (Single-Level Cell NAND) is a non-volatile memory technology that stores one bit per cell, providing the highest endurance (typically 100,000 program/erase cycles per block) and the lowest bit error rate among NAND variants such as MLC, TLC, and QLC. Serial-interface NAND devices expose the same raw memory array as legacy parallel NAND but use a small pin count (typically an SPI bus of four to six signals), which simplifies PCB layout, reduces package size, and allows direct connection to microcontrollers that lack a dedicated parallel NAND controller. SLC NAND therefore bridges the gap between small-density NOR flash (excellent for code execution but expensive at gigabit densities) and high-density MLC/TLC NAND (cost-effective but with lower endurance and higher error rates). Key features of the TC58CYG2S0HRAIJ include the integrated ECC engine, an internal data buffer of 4096 bytes plus 128 bytes per page, support for standard, dual, and quad SPI modes, and a 1.8 V single-supply operating voltage that suits modern low-power MCUs and battery-powered IoT designs. The device reports status through status register bits and a HOLD#/RESET# pin for graceful reset, simplifying firmware recovery from command errors. Typical applications include firmware storage for industrial IoT sensors, boot code/data storage for low-cost ARM Cortex-M0/M4 systems, data logging in metering equipment, configuration shadow storage for connected field devices, and removable/remapped SPI storage that replaces parallel NAND or small-density NOR. The combination of SPI interface, generous 4 Gbit density, SLC endurance, and on-die ECC makes this device attractive where reliability and deterministic reads are more important than the lowest dollar-per-bit metric. When designing with this device, place a 0.1 microfarad decoupling capacitor close to the VCC pin and observe the maximum SCK frequency rating of 133 MHz in Quad SPI mode; running the bus at peak rate requires careful signal-integrity management to avoid setup/hold violations on the SO and HOLD# lines.
TC58TEG5DCKTA00 - 32Gb Toggle DDR1 MLC NAND Flash | Toshiba
The Toshiba TC58TEG5DCKTA00 is a 32 Gbit (4 G x 8) Toggle DDR1.0 MLC NAND flash memory device housed in a 48-pin TSOP package. According to the Toshiba datasheet family for the TC58TEG5 series, the device offers a synchronous high-speed Toggle DDR interface, an organization of 4096 blocks (each 256 Kbytes plus 128 bytes of spare area), and operates from a 3.3 V VCC supply with a 1.8 V VCCQ host interface. The KTA00 speed-grade designation corresponds to Toshiba's standard Toggle DDR1.0 timing mode used in mainstream eMMC alternatives and managed-NAND raw configurations. NAND flash memory is a non-volatile storage technology that retains data without power. MLC (Multi-Level Cell) stores two bits per cell, doubling density versus SLC at the cost of lower endurance and longer program/erase times. Toggle DDR1.0 is a NAND interface standard (originated by Toshiba and Samsung) that double-data-rates command, address, and data transfers on a synchronous DDR bus, achieving higher throughput than legacy asynchronous or ONFi-compatible interfaces. NAND flashes are typically placed in the storage hierarchy beneath DRAM and above hard drives, organized into blocks and pages managed by a flash controller (often via FTL - Flash Translation Layer) for wear-leveling and bad-block management. Key features include 32 Gbit density in a x8 organization, 4 Kbyte page size plus 128 bytes of spare area per page, 256 Kbyte block size, and Toggle DDR1.0 high-speed interface. The part supports standard NAND command sets, multi-plane operations, copy-back programming, and hardware data protection during power transitions. The TSOP-48 surface-mount package is a JEDEC-standard outline commonly used for raw NAND chips on motherboards, SSDs, and embedded storage modules. Architecturally, the TC58TEG5DCKTA00 uses a 24 nm-class MLC NAND process node with an internal charge pump, page buffer, and ONFI-style status registers, exposed via the Toggle DDR1.0 physical layer. The asynchronous timing fallback mode allows the device to be read by a microcontroller without a high-speed controller, simplifying firmware bring-up. Error correction is handled externally by the host controller, typically using BCH or LDPC codes with sector sizes of 1 Kbyte or larger. Typical applications include solid-state drives (SSD), eMMC alternative raw-NAND designs, USB flash drives, SD card controllers, embedded Linux boot devices, and industrial data-logging modules. The Toggle DDR1.0 throughput makes it suitable for sequential read/write workloads in consumer storage, while the 48-pin TSOP package supports low-profile SMT assembly on high-density boards. When designing with this part, ensure the host controller supports Toggle DDR1.0 timing mode, or fall back to the legacy asynchronous interface for read-only firmware storage. ECC strength must be planned for MLC endurance (~3 K P/E cycles per block) using BCH or LDPC engines in the controller. Power-supply sequencing (VCC before VCCQ) is required to prevent latch-up at power-on.
UCS-NVES1T9K1V - 1.9TB E1.S NVMe Gen4 SSD | Cisco
The Cisco UCS-NVES1T9K1V is a 1.90 TB enterprise NVMe solid state drive in an E1.S (15 mm) form factor, built on the Kioxia XD7P high-performance, mid-endurance flash platform with a PCI Express NVMe 4.0 (x1) host interface for Cisco UCS servers. The equivalent commercial SKU is CAI-NVES1T9K1V, listed by distributors as the Cisco 1.9TB E1.S 15mm Kioxia XD7P High Performance Mid Endurance Gen4 1x NVMe drive. An enterprise NVMe SSD is a solid state storage device that connects directly to the PCIe bus using the NVMe protocol, bypassing SATA/SAS controller bottlenecks to achieve lower latency and higher IOPS. Within the storage hierarchy, it sits as block storage below the server OS layer and above the raw NAND media; the E1.S (EDSFF) form factor is the compact successor to M.2 and U.2 drives, optimized for dense 1U/2U rack servers. Cisco qualifies specific drive PIDs for its UCS C-Series rack servers so that firmware, thermal profiles, and drive-slot mapping are fully supported under Cisco TAC. Key characteristics of this drive include its 1.90 TB raw capacity, PCIe 4.0 NVMe x1 electrical interface, E1.S 15 mm mechanical format with an integrated drive carrier for UCS drive slots, and Kioxia XD7P NAND tuned for high performance with mid endurance - a fit for read/write-mixed enterprise workloads rather than extreme write-intensive caching. Cisco lists the supported host platform as the UCS C845A M8 AI Server, an NVIDIA MGX-based accelerated computing system. In deployment, the UCS-NVES1T9K1V typically serves as local high-performance boot or data storage for AI training nodes, database servers, and virtualization hosts where NVMe Gen4 bandwidth reduces data loading time. Cisco validates drive-to-server interoperability through the UCS Hardware Compatibility List (HCL), so mixing unqualified third-party E1.S drives can void hardware support. Design consideration: verify the target UCS server chassis and firmware release support E1.S Gen4 x1 drives via the Cisco UCS HCL before ordering, and note that the drive reaches Cisco end of sale on 2026-12-25, so long-term spares should be procured before that date. This page synthesizes distributor pricing, lifecycle dates, platform compatibility, and procurement guidance for both the UCS-NVES1T9K1V and CAI-NVES1T9K1V SKUs in one place - information typically spread across Cisco, Ingram Micro, CDW, and lifecycle-tracking sources.
UCS-NVES3T8K1V - Cisco 3.8TB NVMe E1.S SSD | Cisco | UCS Servers
The Cisco UCS-NVES3T8K1V is a 3.8TB PCI Express 4.0 (PCIe NVMe 4.0) E1.S (15 mm) internal solid state drive based on the Kioxia XD7P high-performance, medium-endurance SSD series, designed for Cisco UCS C-Series rack servers, including the UCS C845A M8 AI server. The drive connects through a x4 PCIe 4.0 NVMe interface and is qualified by Cisco as a server storage module within the UCS C-Series ecosystem. An NVMe SSD (Non-Volatile Memory Express solid state drive) is a storage device that attaches directly to the PCIe bus rather than through legacy SATA/SAS controller paths. In the storage hierarchy, it sits at the top of the enterprise flash tier: NAND flash -> SSD controller -> NVMe protocol -> PCIe transport -> server platform. By eliminating the SAS/SATA translation layer, NVMe reduces latency and increases queue depth, which is why data center and AI workloads increasingly standardize on NVMe drives such as this one. Key characteristics of the UCS-NVES3T8K1V include its 3.80 TB usable capacity, its compact E1.S 15 mm edge-connector form factor (part of the EDSFF family standardized for dense server platforms), and its PCIe NVMe 4.0 host interface. The underlying Kioxia XD7P silicon is positioned as high performance with medium endurance (drive writes per day rating [DATA_NEEDED: DWPD]), targeting read-intensive and mixed enterprise workloads rather than extreme write-cycle caching tiers. The XD7P platform uses enterprise-grade NAND and a controller tuned for consistent low latency, making the drive suitable as boot, scratch, or high-IOPS data storage. Because it is a Cisco-qualified PID, firmware and thermal behavior are validated against UCS C-Series chassis airflow and power profiles, which third-party drives cannot guarantee. Typical applications include AI/ML training data pipelines on the UCS C845A M8, virtualization and database storage tiers, high-density composable infrastructure, and general rack-server storage expansion where a 3.8TB E1.S NVMe module is required. A key design consideration: this PID is schedule-based for end of sale - Cisco has announced end of sale for UCS-NVES3T8K1V= on 2026-12-25 - so new designs should verify lifecycle status and plan spares accordingly. This page synthesizes distributor pricing, lifecycle information, and drop-in family alternatives not consolidated on the manufacturer datasheet page.
W24257AJ-20 - 32Kx8 20ns CMOS SRAM | Winbond DIP-28
The Winbond W24257AJ-20 is a 32,768 x 8-bit high-speed CMOS Static RAM (SRAM) organized as 32K words by 8 bits, with a 20 ns maximum access time and housed in a 28-pin DIP (J-bend) through-hole package. It operates from a single +5 V power supply and is manufactured using Winbond's high-performance CMOS process, delivering low power dissipation typical of CMOS memory. A Static RAM is a type of volatile semiconductor memory that retains data bits as long as power is applied, with no refresh cycle required - in contrast to dynamic RAM (DRAM). SRAM belongs to the memory ICs family within the broader semiconductor hierarchy (SRAM -> volatile memory -> random-access memory -> integrated circuit -> semiconductor). The W24257AJ-20 is a fully asynchronous SRAM with standard JEDEC-compatible pinout for a 32K x 8 organization, allowing direct replacement of legacy 62256-type devices on existing PCBs. Key features of the W24257AJ-20 include a 20 ns access time (suitable for systems clocked up to 50 MHz without wait states), CMOS low standby current, fully static operation (no clock or refresh required), and TTL-compatible I/O levels. The device supports common memory-interface signals such as /CS1, CS2, /OE, and /WE, and provides three-state outputs for bus-oriented applications. The "AJ" suffix denotes the DIP-28 plastic package while "-20" specifies the 20 ns speed grade. Typical applications include legacy industrial controllers, point-of-sale terminals, firmware buffers for embedded microcontrollers, data-logging buffers, and as a working-memory expansion for older 8-bit and 16-bit microprocessor systems. The DIP-28 form factor is convenient for breadboarding, prototyping, and through-hole repair of legacy equipment. Because the part uses the standard 32K x 8 pinout, designers can upgrade older 8K x 8 or 32K x 8 SRAM sockets without any PCB rework. When designing with the W24257AJ-20, observe standard SRAM decoupling practice: place a 0.1 uF ceramic bypass capacitor close to the VCC pin and a bulk 10 uF capacitor on the supply rail. Avoid leaving inputs floating; tie unused /CS1 to VCC through a pull-up and unused /OE to GND to minimize ICC. The 20 ns grade is generally a drop-in replacement for slower 70-200 ns legacy SRAMs on the same PCB, but verify bus timing for high-MHz systems. This page synthesizes Winbond datasheet specifications, distributor stock signals, drop-in replacement candidates, and practical design notes not aggregated on any single distributor page.
W24512AKDV - 64Kx8 5V CMOS SRAM | Winbond
The Winbond W24512AKDV is a 64K x 8 (512 Kbit) high-speed CMOS static RAM organized as 65,536 words of 8 bits, operating from a single 5V power supply. Fabricated on Winbond's high-performance CMOS process, the device offers industry-standard access times of 15/20/25/35 ns (per the W24512A datasheet family), low active power, and CMOS standby current, making it suitable for both high-performance and battery-aware designs. A static RAM (SRAM) is a type of volatile memory that stores each bit in a bi-stable latch, eliminating the need for periodic refresh cycles required by dynamic RAM. In the broader memory hierarchy, SRAM sits between ultra-fast register files and denser but slower DRAM/Flash. The 64K x 8 organization - eight data I/O lines and sixteen address lines - is the classic JEDEC-style parallel SRAM pinout that traces back to the original 6264-family 8K x 8 and is fully pin-compatible with modern asynchronous SRAMs. Key differentiating attributes include fully static operation (no clock or refresh required), TTL-compatible I/O, a chip-enable pin for memory expansion, and an output-enable pin for bus arbitration. The CMOS process delivers typical active currents in the tens of milliamps at full bus activity, with standby leakage dropping into the microamp range when CE is de-asserted - ideal for low-power embedded systems. Architecturally, the W24512AKDV uses a 6-transistor (6T) CMOS memory cell, which gives excellent noise immunity and stable read margins across temperature. The internal address decoders, write drivers, and sense amplifiers are optimized for sub-20 ns access at 5V, ensuring compliance with microprocessor and microcontroller bus timing without wait states in many cases. Typical applications include industrial controllers, data loggers, networking line cards using look-up tables, telecom buffers, point-of-sale terminals, and any embedded system needing byte-wide non-volatile cache/working memory paired with Flash. Engineers retrofitting legacy 5V designs or building new 5V-tolerant industrial equipment will find this part a direct mechanical and electrical substitute for older 6264-style SRAMs. When designing with this part, always place 0.1 uF decoupling capacitors close to VCC and VSS, and observe derating for output loading above 50 pF to stay within the 15/20/25/35 ns access-time envelopes. The CE pin must be pulled inactive for true standby current savings. This page synthesizes current distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet.