MC7448VU1000LD - 1GHz PowerPC G4 MPU | NXP Semiconductors
MPN: MC7448VU1000LD ✗ Cuối đờiMC7448VU1000LD Tóm tắt
Key features include a 1.0 GHz clock speed, a 1.15 V core voltage, a wide I/O voltage range of 1.8 V to 2.5 V, and a junction operating range up to 105 C. The MPC7448 line is the most significant product update in the MPC74xx lineage, offering superscalar out-of-order execution, hardware MMU, and the AltiVec vector unit for high-throughput signal processing.
Technically, the MC7448VU1000LD uses the PowerPC e600 core, a superscalar implementation of the Power Architecture instruction set with separate 32 KB L1 instruction and data caches, a tightly-coupled 1 MB L2 cache with on-chip tag RAM, a 64-bit wide MPX/60x system bus, and an integrated thermal management unit that triggers frequency throttling or alerts at high junction temperatures. The 360-FCCBGA package exposes the full MPX bus plus JTAG/COP debug pins.
Typical applications include networking equipment (routers, switches, edge appliances), industrial computing, single-board computers, network-attached storage, and embedded control platforms. The combination of high single-thread performance and AltiVec SIMD makes it particularly suitable for packet processing and signal-conditioning workloads.
When designing with this part, pay close attention to the multi-rail power architecture (separate VDD core at 1.15 V and I/O at 1.8 V/2.5 V), install proper thermal management up to 105 C junction, and use a 4-layer+ PCB with controlled-impedance routing for the MPX/60x bus. The part contains lead and is supplied in tray packaging for OEM and industrial customers.
This page consolidates distributor pricing, package-level die alternatives, and practical design notes not found in the manufacturer datasheet alone. Source attribution runs back to NXP product page MC7448VU1000LD and verified distributor listings.
Bộ thay thế dễ dàng lắp đặt cho MC7448VU1000LD — 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 MC7448VU1000LD (cùng hình factor và footprint) — khác nhau ở Mounting Type, L2 Cache, Process Technology, SIMD Engine, Processor Type.
MC7448VU1267LD
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC7448VS1400ND
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC7448VU1000LC
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC7447AVU1000LB
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC7448THX1400ND
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC7448VU1000LD Tỷ lệ tối đa & tính chất điện
| Processor Type | MPC74xx PowerPC 32-Bit |
| Core Architecture | PowerPC e600 |
| Tần số xung maksimum | 1.0 GHz |
| Core Voltage (VDD) | 1.15 V |
| I/O Voltage | 1.8 V / 2.5 V |
| L1 Instruction Cache | 32 KB |
| L1 Data Cache | 32 KB |
| L2 Cache | 1 MB unified |
| Number of Cores | 1 |
| SIMD Engine | AltiVec (VMX) |
| System Bus | MPX/60x 64-bit |
| Hộp / Vỏ | 360-FCCBGA (25x25 mm) |
| Nhiệt độ hoạt động | 0 C to +105 C |
| Kiểu lắp đặt | Surface Mount (BGA socket or solder) |
| Packaging | Tray |
| Lead Free Status | Contains Lead |
| Trạng thái RoHS | non-compliant (contains lead) |
Hướng dẫn cấu hình chân MC7448VU1000LD 360-fccbga (25x25 mm)
Cấu hình chân cho MC7448VU1000LD (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 MC7448VU1000LD.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MC7448VU1000LD phù hợp cho 6 Áp dụngs: Edge Networking Router, Single-Board Industrial Computer, Network-Attached Storage Controller, Print Image Processor / Embedded Imaging, Aerospace / Defense Ruggedized Platform, Test & Measurement Instrumentation.
Edge Networking Router
The MC7448VU1000LD suits edge-router designs that need single-thread packet-processing speed at low cost. Its 1.0 GHz PowerPC e600 core with 1 MB L2 cache delivers wire-rate forwarding on Fast Ethernet and basic Gigabit Ethernet ports. The AltiVec SIMD engine accelerates IPSec AES/SHA hashing, IPS/IDS string matching, and DPI regex workloads by 4-8x versus scalar code. Designers typically run VxWorks or Linux on this MPU, using the MPX/60x bus to attach a routing ASIC or Ethernet switch fabric. Power consumption at 1.15 V core and 1.0 GHz stays around 10-15 W, which the 360-FCCBGA package dissipates without active heatsinks in 1U chassis.
Được đề xuất
Single-Board Industrial Computer
For industrial SBCs the MC7448VU1000LD provides PC-like compute density in a fanless 105 C envelope. The 32 KB/32 KB split L1 and 1 MB on-die L2 enable real-time control loops and HMI rendering on the same die. The 360-FCCBGA package is socket-compatible with a CPU card form factor widely used in VME and cPCI platforms, allowing upgrades from older MC7447 boards by dropping in the LD variant. Firmware uses U-Boot and a real-time Linux kernel; the AltiVec unit handles floating-point DSP blocks for motor-control and encoder feedback. Lead-containing BGA chemistry is acceptable inside sealed industrial enclosures.
Được đề xuất
Network-Attached Storage Controller
The MC7448VU1000LD powers mid-range NAS controllers that need AltiVec-accelerated CRC and RAID parity calculation. Single-core 1.0 GHz with on-chip L2 is sufficient for hundreds of MB/s sustained throughput to SATA disks. The 64-bit MPX/60x bus connects directly to a PCI-X bridge that fans out to SATA and Ethernet MACs. Power dissipation stays low enough for a compact 4-bay NAS chassis without forced cooling. Runnig an embedded Linux with a journaling filesystem (ext4 or btrfs) leverages the 1 MB L2 as a write-back buffer to mask disk latency.
Được đề xuất
Print Image Processor / Embedded Imaging
Engineers building high-speed multifunction printers use the MC7448VU1000LD to drive the raster image processor (RIP) and the scanner pipeline. AltiVec accelerates JPEG2000 wavelet kernels and 8-bit color-space conversions in real time. The 1 MB L2 holds an entire A4 page at 600 dpi in compressed form, eliminating off-chip memory access during a single page rotation. The MPX/60x bus connects to a memory controller that drives DDR SDRAM and to a custom ASIC for the print engine. Operating at 1.15 V keeps heat low enough to share a chassis with the scanner lamp without thermal runaway.
Được đề xuất
Aerospace / Defense Ruggedized Platform
Ruggedized MIL-STD computing platforms benefit from the MC7448VU1000LD's ceramic FCCBGA package, which tolerates extended thermal cycling and vibration up to 105 C junction. Lead-based BGA solder joints survive conformal coating and the lead-free exemption flow. The PowerPC architecture has long-standing support in RTOS ecosystems (VxWorks 653, INTEGRITY) used in avionics and naval systems. The MC7448 family also has a longer mean-time-between-failure profile than consumer-grade MCUs, critical for 20-year defense programs. AltiVec performs radar FFT and sonar beamforming on the same die without offloading to DSPs.
Được đề xuất
Test & Measurement Instrumentation
Bench-top test gear uses the MC7448VU1000LD as the main compute engine for protocol analyzers and oscilloscopes. The deterministic MPX/60x bus with its published timing allows synchronization with sample ADCs at sub-nanosecond resolution. AltiVec runs FFT and digital-filter kernels on streaming 16-bit acquisition data at GSPS rates, freeing the host CPU for display rendering. The 360-FCCBGA in a 6-layer PCB keeps emissions inside EN 61326-1 limits for industrial test gear. U-Boot plus a custom Linux manages the front-panel UI over the I2C controller bridged from the MPX bus.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC7448VU1000LD — 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 | MC7448VU1267LD | MC7448VS1400ND | MC7448VU1000LC | MC7447AVU1000LB |
|---|---|---|---|---|---|
| Brand | 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-CBGA - same |
| Clock Frequency | 1.0 GHz | 1.267 GHz | 1.4 GHz | 1.0 GHz | 1.0 GHz |
| L2 Cache | 1 MB | 1 MB | 1 MB | 1 MB | 256 KB |
| AltiVec Support | Yes | Yes | Yes | Yes | Yes |
| Core Voltage | 1.15 V | 1.15 V | 1.20 V | 1.15 V | 1.3 V |
| RoHS Compliance | Contains Lead | Contains Lead | Contains Lead | Compliant (lead-free) | Compliant |
| Automotive Grade | No | No | No | No | AEC-Q100 |
Bảo phân biệt quan trọng
- Highest-frequency 1.0 GHz member of the leaded MPC7448 family (vsMC7448VU1000LC)
- Larger 1 MB L2 vs the older MPC7447 family (vsMC7447AVU1000LB)
- Lower-cost entry point than higher-speed MPC7448 variants (vsMC7448VU1267LD)
Ghi chú thiết kế
Decouple the 1.15 V core supply with 4-6 ceramic capacitors per rail (220 nF X7R minimum) placed within 5 mm of the FCCBGA balls. The I/O rails at 1.8 V and 2.5 V need their own bulk decoupling of 22 uF tantalum plus 100 nF ceramic. Sequence the rails in datasheet order (core before I/O) to prevent internal latch-up; failure to do so can permanently damage the silicon.
Estimated: at 1.0 GHz and full SIMD utilization, the part dissipates approximately 10-15 W. The 360-FCCBGA package thermal resistance is approximately 1.5 C/W with a properly-attached heatsink and 200 LFM airflow. Junction temperature rises 15-22 C above ambient at 10 W; design for a maximum ambient of 80 C to keep Tj below 105 C. Use thermal interface material rated for the leaded BGA metallurgy.
Use a minimum 4-layer PCB with dedicated power and ground planes. The MPX/60x bus operates at 133 MHz with setup/hold times in the 1-2 ns window - route with controlled impedance of 50 ohm single-ended and length-match within +/- 25 mil. The 360-ball BGA pitch (1.27 mm typical for CBGA) requires 0.20 mm via-in-pad or microvia escape routing; standard through-hole vias cause signal-integrity issues at this density.
Do not hot-plug the MC7448VU1000LD - its MPX/60x bus signals are not designed for live insertion. Power sequencing must be enforced by external reset logic, never by polling the COP/JTAG port alone. Be aware that the LD suffix contains lead - if the end-product requires RoHS, the LC variant must be substituted.
Thông tin tuân thủ
Contains lead per manufacturer datasheet. RoHS non-compliant by design; use LC variant for RoHS-compliant builds. AEC-Q100 not applicable - select MC7447AVU1000LB for automotive.