MC7448VU1250ND - PowerPC G4 MPU 1.25GHz 1MB L2 | NXP Semiconductors
部品番号: MC7448VU1250ND ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $195 | $195.00 |
| 10 | $178.5 | $1,785.00 |
| 100 | $162 | $16,200.00 |
| 500 | $145 | $72,500.00 |
| 1,000 | $128 | $128,000.00 |
MC7448VU1250ND 概要
A microprocessor (MPU) is an integrated circuit that contains the central processing unit (CPU) of a computer or embedded system, including the arithmetic logic unit, control unit, registers, and on-die cache hierarchy. The MPC74xx family is the embedded branch of IBM/Motorola/Freescale/NXP Power Architecture lineage, sitting beneath desktop G4/G5 chips. The MPC7448 specifically adds an integrated L2 cache controller, on-chip L2 SRAM, a 64-bit external bus, AltiVec velocity engine (a 128-bit wide SIMD unit for vector math), and thermal/power management features. The MC7448VU1250ND hypernym chain is: microprocessor -> embedded MPU -> 32-bit RISC MPU -> PowerPC G4 -> MPC74xx family -> MPC7448 device.
Key features include: 1.25 GHz core frequency, 32-bit Power Architecture instruction set with AltiVec extension, 1 MB on-die L2 cache with ECC, MPX/60x bus interface (64-bit), and FCCBGA-360 (25x25 mm) packaging with high-density ball grid array for high-speed signal integrity. The device integrates a thermal sensor and dynamic frequency scaling support.
Architecture-wise the MPC7448 implements a seven-stage integer pipeline with out-of-order execution and a 128-bit AltiVec unit, providing a peak throughput of 8 single-precision FLOPs per cycle (with AltiVec). The on-chip L2 controller supports write-back and write-through policies and ECC protection on the 1 MB SRAM.
Typical applications include wired networking line cards (routers, switches), aerospace flight control and avionics subsystems, industrial automation controllers, and high-reliability military embedded compute modules. The 105C industrial thermal grade and PowerPC determinism make it well suited for long-lifecycle embedded platforms.
Designers must validate host board BIOS/firmware (U-Boot, custom bootloaders) for the 1.25 GHz PVR value, provide adequate multi-layer PCB power plane decoupling for the 1.1 V core rail, and confirm thermal solution footprint within the 25x25 mm BGA shadow.
This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design notes that are not consolidated in the NXP product brief.
ドロップイン代替品: MC7448VU1250ND — 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。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: MC7448VU1250ND （同一形状・フットプリント） — 相違点: L2 Cache, Mounting Type, Package, Core Frequency, Core Architecture.
クイック比較ツール — 並列比較する代替部品を選択:
MC7448HX1267ND
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MC7448AVU1267ND
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC7448VU1267ND
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC7447AVU1000NB
✅ ドロップイン✓ 在庫あり
$99.5 / 個
データシートを見る →MC7448VU1000ND
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$92 / 個
データシートを見る →MC7448VU1250ND 最大定格＆電気的特性
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
| Part Family | MPC7448 (PowerPC G4) |
| Core | PowerPC G4 32-bit |
| Core Architecture | Power Architecture with AltiVec SIMD extension |
| Core Frequency | 1.25 GHz |
| L2 Cache | 1 MB on-die (with ECC) |
| External Bus | MPX / 60x (64-bit) |
| Core Voltage | 1.1 V |
| パッケージ | 360-FCCBGA (25x25 mm) |
| 動作温度 | -40C to +105C (industrial, APL8 RV2.2.1) |
| Number of Cores | 1 |
| Instruction Set | 32-bit Power Architecture + AltiVec |
| 実装タイプ | Surface Mount (BGA) |
| ライフサイクル状態 | End of Life (per NXP product page) |
| RoHS ステータス | Compliant |
MC7448VU1250ND 360-fccbga (25x25 mm) ピン配置ガイド
MC7448VU1250ND (360-fccbga (25x25 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: MC7448VU1250ND.
詳細は データシート をご参照ください。
主な用途
MC7448VU1250ND の用途: 6 件s: Wired Networking Line Cards, Aerospace and Avionics Subsystems, Industrial Automation Controllers, Military Embedded Compute Modules, Test and Measurement Instrumentation, Medical Imaging Controllers.
Wired Networking Line Cards
The MC7448VU1250ND's 1.25 GHz PowerPC G4 core with AltiVec SIMD processing makes it well suited for backbone router and switch line cards where deep-packet inspection and IPsec cryptography must run at line rate. Its 64-bit MPX/60x bus interfaces cleanly with network processors and ASIC fabric interfaces, and the on-die 1 MB L2 cache sustains high-throughput lookup table operations. Power Architecture deterministic execution simplifies QoS scheduling latency analysis, and the 105C industrial thermal grade supports -40C to +85C ambient deployments in central office equipment without forced-air cooling.
おすすめ
Aerospace and Avionics Subsystems
In flight control computers and avionics display subsystems, the MC7448VU1250ND provides the determinism of Power Architecture execution critical for DO-178C certification. The on-die L2 with ECC and parity support across the MPX bus helps meet single-event upset (SEU) mitigation goals common in aerospace designs. The FCCBGA-360 ceramic substrate package offers excellent thermal cycling reliability across -40C to +105C operational swings encountered at altitude. Designers commonly pair it with radiation-hardened companion FPGAs and MIL-STD-1553 transceivers for redundant compute channels.
おすすめ
Industrial Automation Controllers
PLC and motion controller platforms leverage the MC7448VU1250ND's AltiVec SIMD engine for fast floating-point PID loop calculations across hundreds of axes. The PowerPC G4 hardware floating-point unit runs single-precision vector math at peak throughput of 8 FLOPs/cycle, well matched to real-time deterministic control loops. The MPX bus simplifies integration with industrial FPGA I/O cards, and the 1 MB on-die L2 cache minimizes DRAM access stalls during tight control cycles. Long 10-15 year product lifecycles in factory automation are well supported by the -40C to +105C thermal grade.
おすすめ
Military Embedded Compute Modules
VME and cPCI SBC designs in defense applications use the MC7448VU1250ND as a high-performance MPC74xx compute engine. The FCCBGA-360 footprint fits standard VME card envelopes, while the PowerPC G4 AltiVec unit accelerates radar signal processing and sonar beamforming algorithms. ECC-protected 1 MB L2 cache is essential for applications exposed to cosmic radiation. The part pairs with companion MIL-STD-1553, ARINC 429, and Ethernet interfaces commonly found on NXP/Freescale reference designs. EOL status requires long-lead planning but authorized aftermarket stock remains available.
おすすめ
Test and Measurement Instrumentation
The MC7448VU1250ND serves as the system controller in high-end oscilloscopes, spectrum analyzers, and protocol analyzers where deterministic Power Architecture execution plus AltiVec DSP performance accelerates FFT and demodulation computations. The 1 MB L2 cache reduces display update jitter, and the MPX/60x bus connects to high-speed ADC banks (such as the MAX1156/MAX1157 family) and FPGA acquisition pipelines. Industrial thermal rating supports lab and field-deployed instruments, while FCCBGA-360 packaging enables compact multi-channel designs.
おすすめ
Medical Imaging Controllers
Ultrasound, CT, and MRI controller subsystems leverage the MC7448VU1250ND's 1.25 GHz AltiVec throughput for beamforming and image reconstruction algorithms. The 1 MB on-die L2 with ECC supports medical-grade data integrity requirements, while the deterministic PowerPC execution model simplifies IEC 62304 software lifecycle compliance. The 360-FCCBGA package fits dense medical-cart mainboards, and the -40C to +105C thermal grade supports continuous-operation imaging suites. Board-level integration with 12-bit ADCs and DACs is straightforward via the MPX bus.
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: MC7448VU1250ND — 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 | MC7448HX1267ND | MC7448AVU1267ND | MC7448VU1267ND | MC7447AVU1000NB | MC7448VU1000ND |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 360-FCCBGA (25x25 mm) | 360-FCCBGA (25x25 mm) - same | 360-FCCBGA (25x25 mm) - same | 360-FCCBGA (25x25 mm) - same | 360-FCCBGA (25x25 mm) - same | 360-FCCBGA (25x25 mm) - same |
| Core Frequency | 1.25 GHz | 1.267 GHz | 1.267 GHz | 1.267 GHz | 1.0 GHz | 1.0 GHz |
| L2 Cache | 1 MB | 1 MB | 1 MB | 1 MB | 512 KB | 1 MB |
| Core Voltage | 1.1 V | 1.1 V | 1.1 V | 1.1 V | 1.2 V | 1.1 V |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +125C (extended) | -40C to +105C | -40C to +105C | -40C to +105C |
| Bus Interface | MPX/60x (64-bit) | MPX/60x (64-bit) | MPX/60x (64-bit) | MPX/60x (64-bit) | 60x (64-bit) | MPX/60x (64-bit) |
| Lifecycle Status | EOL | EOL | EOL | EOL | EOL | EOL |
主な差別化要因
- Highest-volume MPC7448 speed grade with proven long-term firmware ecosystem support （vs MC7448HX1267ND)
- 1 MB on-die L2 cache vs 512 KB on the predecessor （vs MC7447AVU1000NB)
- Wider MPX bus support for higher bandwidth peripherals （vs MC7447AVU1000NB)
設計ノート
Estimated: At 1.25 GHz, the MC7448VU1250ND dissipates approximately 18-22 W typical (per MPC7448 datasheet power table). Designers must use at least a 4-layer PCB with continuous power/ground planes under the FCCBGA-360 shadow, and provide forced-air cooling or a heatsink rated for >=25 W TDP. Junction-to-ambient thermal resistance theta_JA of the bare FCCBGA-360 is approximately 12 C/W with proper board design; a 1.5 mm thick copper spreader or heatsink drops theta_JA to ~5 C/W. Without adequate cooling, junction temperature will exceed 125C and trigger thermal shutdown.
Use a 6-layer or 8-layer PCB with dedicated 1.1 V core planes directly adjacent to ground planes for decoupling. Place at least 8 x 10uF ceramic + 8 x 0.1uF ceramic + 2 x 220uF polymer bulk capacitors within the package's power/ground ball cluster. Match the MPX/60x bus trace lengths to within 0.5 mm tolerance across the 64-bit bus group to preserve signal integrity at the 1.25 GHz clock rate. Use 50 ohm controlled-impedance microstrip for all MPX bus signals.
Do not exceed the 1.1 V core supply tolerance of +/-5% (1.045-1.155 V); transient spikes above 1.2 V will damage the silicon. The boot firmware (U-Boot, VxWorks bootrom, etc.) must recognize the 1.25 GHz PVR value before attempting to initialize external DRAM - otherwise the system will hang during memory controller configuration. Verify OTP (One-Time Programmable) configuration bits per MPC7448 datasheet Section 4 before power-on. Finally, ensure the JTAG debug header is accessible for board bring-up, as FCCBGA-360 is otherwise inaccessible for in-system probing.
コンプライアンス情報
RoHS compliant per NXP product page. Reach compliant. Halogen-free status not explicitly stated in the provided verified web data - left as unknown. AEC-Q100 not applicable for industrial/aerospace MPU; verify with automotive-grade MC7448AVU1267ND if needed.