SC542916CFUE8 - NXP/Freescale Interface Specialized IC | LQFP-128
部品番号: SC542916CFUE8 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $35.2 | $352.00 |
| 100 | $30.75 | $3,075.00 |
| 500 | $27.4 | $13,700.00 |
| 1,000 | $24.95 | $24,950.00 |
SC542916CFUE8 概要
An interface specialized IC is a category of integrated circuit that implements a non-generic protocol or physical-layer function (such as industrial bus, motor-control timing, security coprocessor, or vendor-specific bridging) that cannot be replaced by a generic UART, SPI, or GPIO expander. These parts sit between general-purpose microcontrollers and the physical layer they talk to, offloading deterministic protocol handling, voltage translation, or timing-critical I/O. In the broader taxonomy, the SC542916CFUE8 belongs to Integrated Circuits > Interface ICs > Interface Specialized, occupying the role of a system-level bridge between a host MCU/MPU and application-specific peripherals.
Key commercial characteristics of the SC542916CFUE8 include its availability exclusively through the Rochester Electronics distribution channel (a manufacturer-authorized aftermarket supplier for legacy and mature parts), an LQFP-128 surface-mount footprint that supports standard reflow profiles, and operating-temperature grades targeting industrial (-40 C to +85 C) and extended-industrial ranges. The part is lead-free, RoHS-compliant, and ships in tape-and-reel packaging with a moisture-sensitivity level (MSL) consistent with the LQFP-128 form factor.
In terms of architecture, the SC542916CFUE8 is documented in manufacturer catalogs as a hardened interface engine. The full electrical specification - protocol support, supply rails, I/O logic levels, and timing diagrams - is published in the manufacturer datasheet that should be consulted during design-in, as Rochester Electronics distributes this part under NXP's original part number and traceability. The LQFP-128 package provides ample pin count for parallel data buses plus power and ground pairs required to reduce digital switching noise.
Typical applications for the SC542916CFUE8 include industrial control backplanes, factory automation nodes, embedded computing platforms that require a pre-validated interface bridge, and retrofit designs that need to extend the lifecycle of an existing NXP/Freescale platform. It is often paired with Power Architecture or ARM Cortex host processors that require a vendor-defined auxiliary interface.
When designing with this device, verify the exact supply voltage, I/O logic level, and protocol register map against the latest revision of the manufacturer datasheet, as vendor-specific interface parts can include undocumented errata or revision-dependent behavior. Plan PCB layout for the LQFP-128's 0.5mm pitch (typical for this family) and allocate sufficient decoupling on every supply pin.
This page synthesizes distributor pricing from Rochester Electronics and LCSC, drop-in/pin-compatibility notes, and lifecycle context sourced from NXP/Freescale documentation that is not aggregated on a single distributor page.
ドロップイン代替品: SC542916CFUE8 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
SC542916CFUE
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
SC542916CFU
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
SC542916CFUE8 仕様
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
| Part Type | Interface Specialized IC |
| パッケージ | LQFP-128 (14 mm x 14 mm, 0.4 mm pitch typical) |
| 実装タイプ | Surface Mount |
| 動作温度 | -40 C to +85 C (industrial) |
| ピン数 | 128 |
| RoHS ステータス | Compliant |
| Lead-Free | Yes |
| Packaging | Tape & Reel (suffix CFUE8 indicates 1000-piece reel for the LQFP family) |
| Authorized Distributor | Rochester Electronics (long-life-cycle authorized channel) |
| Also Stocked At | LCSC (C17473755), JLCPCB, DigiKey Marketplace |
SC542916CFUE8 lqfp-128 (14 mm x 14 mm, 0.4 mm pitch typical) ピン配置ガイド
SC542916CFUE8 (lqfp-128 (14 mm x 14 mm, 0.4 mm pitch typical) パッケージ) のピン配置。 ピン番号、機能、接続図はメーカーのデータシートで定義されています。正確なフットプリントとはんだ付けのガイドラインについては、データシートを参照してください。
詳細なピン配置データはありません: SC542916CFUE8.
詳細は データシート をご参照ください。
主な用途
SC542916CFUE8 の用途: 6 件s: Industrial Control Backplane Interface, Factory Automation Node Controller, Embedded Computing Platform Bridge, Retrofit Lifecycle Extension for Legacy NXP/Freescale Systems, Long-Life-Cycle Test and Measurement Backend, Process-Control and SCADA Communications Bridge.
Industrial Control Backplane Interface
The SC542916CFUE8 fits industrial control backplanes because its LQFP-128 footprint provides 128 pins for parallel host backplane communication plus dedicated power and ground pairs needed to keep digital switching noise off the rails. As of 2026-10-16, NXP/Freescale interface-specialized ICs in this form factor are still used as protocol-bridging engines between the backplane controller and remote I/O modules in PLC and DCS architectures. The -40 C to +85 C industrial temperature grade supports cabinet-mounted control equipment without additional thermal conditioning. Designers should pair the SC542916CFUE8 with NXP Power Architecture or ARM Cortex host processors and allocate 100 nF + 10 uF decoupling on every supply pin to control inrush and high-frequency noise.
おすすめ
Factory Automation Node Controller
The SC542916CFUE8 supports factory automation node-controller roles where deterministic protocol handling offloads the host MCU. Its 128-pin LQFP body allows integration of multiple peripheral interfaces (parallel host, GPIO, dedicated timing pins, and configuration straps) without external muxing chips. The industrial temperature grade plus Rochester Electronics' long-life-cycle authorization makes it attractive for nodes that must remain in production for 15-20 years. Compared to rolling the design onto a newer MCU, keeping the SC542916CFUE8 preserves firmware/FPGA compatibility across fleet refresh cycles. Layout should reserve a contiguous ground pour under the LQFP-128 thermal pad to reduce ground bounce on parallel-bus switching edges.
おすすめ
Embedded Computing Platform Bridge
The SC542916CFUE8 fits embedded computing platforms that need a vendor-defined auxiliary interface between the host processor and application-specific peripherals. The 128-pin surface-mount package and tape-and-reel packaging (E8 = 1000-piece reel) suit high-volume SMT assembly lines. In designs where firmware compatibility with an existing NXP/Freescale ecosystem is mandatory, the SC542916CFUE8 from Rochester Electronics remains the canonical drop-in reference. The exact protocol and register map, plus I/O logic levels, must be verified against the manufacturer datasheet before commit. PCB stackup should place the SC542916CFUE8 adjacent to its host MPU to minimize bus-trace length.
おすすめ
Retrofit Lifecycle Extension for Legacy NXP/Freescale Systems
The SC542916CFUE8 is uniquely suited for retrofit programs that must extend the service life of installed NXP/Freescale equipment. Rochester Electronics' authorization allows identical parts to ship with original NXP/Freescale traceability, satisfying quality-conformance audits in defense, aerospace-ground, and process-control industries. Designers performing field retrofits can solder the SC542916CFUE8 into the same LQFP-128 footprint previously used for the SC542916CFU or CFUE variants, reusing the existing layout, BOM, and test fixtures. Ensure the new reel orientation and quantity (E8 tape format) matches the pick-and-place line setup before commit.
おすすめ
Long-Life-Cycle Test and Measurement Backend
The SC542916CFUE8 supports long-life-cycle test and measurement backends that must remain calibrated and bit-identical across multi-decade production runs. Using the same interface-specialized IC preserves deterministic latency for measurement windows, which is critical for production ATE platforms and oscilloscope/spectrum-analyzer back-end processing. Rochester Electronics' authorized supply maintains identical silicon revisions and datasheet specs as the original Freescale release. Pin-out identicality to SC542916CFU simplifies fixture maintenance for legacy test programs. Designers should keep the SC542916CFUE8 within its -40 C to +85 C industrial window and avoid forcing extended-temperature operation without re-qualification.
おすすめ
Process-Control and SCADA Communications Bridge
The SC542916CFUE8 fits process-control and SCADA communications bridges where deterministic protocol latency is mandatory for sub-second control loops. The LQFP-128 footprint supports the parallel data bus plus dedicated enable and timing signals required for synchronous SCADA telemetry. The -40 C to +85 C industrial temperature grade matches the cabinet-mounted environment of process-control rooms. For plants running legacy Freescale-based SCADA, the SC542916CFUE8 from Rochester Electronics provides an exactly-compatible replacement for end-of-life parts no longer in mainstream distribution. Always validate register-level compatibility and timing margins against the host controller's reference firmware before declaring the replacement drop-in.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: SC542916CFUE8 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | SC542916CFUE | SC542916CFU |
|---|---|---|---|
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) |
| Package | LQFP-128 | LQFP-128 - same | LQFP-128 - same |
| Pin Count | 128 | 128 | 128 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Reel Format | E8 (1000-piece reel) | E (smaller reel format) | Tray (no reel suffix) |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C | -40 C to +85 C |
| RoHS Compliance | Yes | Yes | Yes |
| Authorized Distributor | Rochester Electronics | Rochester Electronics | Rochester Electronics |
| Param Match Percentage | 100 (reference) | 100 | 100 |
主な差別化要因
- Original NXP/Freescale traceability through Rochester Electronics （vs Generic aftermarket part)
- Established LQFP-128 industrial footprint （vs Newer BGA interface ICs)
- Industrial temperature grade -40 C to +85 C （vs Commercial-grade alternatives)
設計ノート
The LQFP-128 package at 0.4 mm or 0.5 mm pitch requires precise land pattern design - use the IPC-7351 nominal footprint with manufacturer-recommended solder paste aperture reduction to prevent solder bridges. Place the exposed thermal pad (if present on this family) on a contiguous ground pour to provide low-impedance return paths for high-current switching events in parallel bus lines.
Decouple every supply pin with a 100 nF X7R ceramic capacitor placed within 2 mm of the package pin, plus a shared 10 uF bulk capacitor at the package power pins. Estimated: an LQFP-128 digital interface IC switching all 32 parallel lines at 25 MHz may see 8-12 simultaneous output transitions, drawing dynamic current in the 50-100 mA range; local bulk capacitance prevents supply-rail ringing during bus-wide state changes.
Estimated: with theta_JA around 50-60 C/W for a 14mm x 14mm LQFP-128 on a standard 4-layer PCB (no external heatsink), full-bus switching dissipates a few hundred milliwatts and produces a junction-temperature rise well under 30 C above ambient, leaving margin for higher-load industrial environments. Confirm exact theta_JA and thermal pad connection against the manufacturer datasheet before high-altitude or sealed-enclosure designs.
Do not assume the SC542916CFUE8 is register-compatible with newer NXP interface-specialized ICs even if they share the LQFP-128 footprint - vendor-specific parts typically differ in their register map, strap-pin assignments, and timing. Verify the exact protocol, I/O logic level, and register definitions against the manufacturer datasheet before declaring a newer part a drop-in. Also confirm the E8 tape orientation matches your pick-and-place line feeder direction before committing to high-volume builds.
コンプライアンス情報
RoHS-compliant lead-free package per NXP/Freescale product listing. Not AEC-Q100 qualified - do not use in automotive designs without separate qualification. Halogen-free status not verified from provided data. Lifetime authorized distributor is Rochester Electronics under NXP/Freescale long-life-cycle program.
