MC7448VU1250ND - PowerPC G4 MPU 1.25GHz 1MB L2 | NXP Semiconductors
MPN: MC7448VU1250ND ✗ Cuối đờiMC7448VU1250ND Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MC7448VU1250ND — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC7448VU1250ND (cùng hình factor và footprint) — khác nhau ở L2 Cache, Mounting Type, Package, Core Frequency, Core Architecture.
MC7448HX1267ND
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC7448AVU1267ND
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC7448VU1267ND
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC7447AVU1000NB
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC7448VU1000ND
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC7448VU1250ND Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 360-FCCBGA (25x25 mm) |
| Nhiệt độ hoạt động | -40C to +105C (industrial, APL8 RV2.2.1) |
| Number of Cores | 1 |
| Instruction Set | 32-bit Power Architecture + AltiVec |
| Kiểu lắp đặt | Surface Mount (BGA) |
| Trạng thái vòng đời | End of Life (per NXP product page) |
| Trạng thái RoHS | Compliant |
Hướng dẫn cấu hình chân MC7448VU1250ND 360-fccbga (25x25 mm)
Cấu hình chân cho MC7448VU1250ND (360-fccbga (25x25 mm) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho MC7448VU1250ND.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MC7448VU1250ND phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC7448VU1250ND — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Highest-volume MPC7448 speed grade with proven long-term firmware ecosystem support (vsMC7448HX1267ND)
- 1 MB on-die L2 cache vs 512 KB on the predecessor (vsMC7447AVU1000NB)
- Wider MPX bus support for higher bandwidth peripherals (vsMC7447AVU1000NB)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.