MPC8247VRTMFA - PowerQUICC II 400MHz MPU | NXP | Networking
料号： MPC8247VRTMFA ⚠ 最后一次采购| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $45.21 | $45.21 |
| 10 | $39.84 | $398.40 |
| 100 | $33.5 | $3,350.00 |
| 500 | $28.75 | $14,375.00 |
| 1,000 | $25.1 | $25,100.00 |
MPC8247VRTMFA 概述
Background: A PowerQUICC (Power Architecture with QUICC Communications) processor is a system-on-chip (SoC) that combines a Power Architecture CPU with a dedicated communications engine (the CPM). PowerQUICC II was NXP/Freescale's second-generation family, optimized for routers, switches, and wireless access points. Within the broader hierarchy, the MPC8247 sits as an MPU (microprocessor unit) -> communications processor -> embedded SoC -> semiconductor. The integrated CPM offloads I/O processing from the CPU, a defining feature of the PowerQUICC architecture.
Key features include a 32-bit PowerPC G2_LE core at 400 MHz core frequency, an integrated CPM with dual Fast Ethernet controllers, USB 1.1 host/function interface, PCI 2.2 bus interface (32-bit, up to 66 MHz), and on-chip memory controllers supporting SDRAM, ROM/Flash, and general-purpose bus interfaces. The 516-PBGA package provides ample I/O for the multi-protocol device selection.
The MPC8247VRTMFA architecture separates control-plane and data-plane processing: the G2_LE core handles routing protocols and management tasks, while the CPM's microcoded RISC engine handles DMA-driven packet processing, encryption (IPsec, 3DES, AES, SHA-1/MD5 accelerators), and ATM segmentation. This dual-engine design enables wire-speed encryption at lower MHz than equivalent single-core CPUs.
Typical applications include small/medium enterprise (SME) routers, VPN and firewall appliances, wireless access points, residential gateways, and DSLAM line cards. The integrated crypto accelerators make it particularly suited for VPN termination in branch-office edge routers where AES-128 IPsec throughput is required.
When designing with this device, attention to PCB layout is critical: the 516-BGA requires controlled-impedance routing, a multi-layer PCB (8+ layers recommended), and matched-length DDR traces for the SDRAM interface. The thermal envelope at 0 to 105C junction is manageable with proper copper pours, but designers should verify Theta-JA against their board stack-up.
This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design notes not aggregated on the manufacturer datasheet. The MPC8247VRTMFA is presently flagged as End-of-Life by NXP - see the lifecycle status section for sourcing guidance and replacement options.
直接替换替代料： MPC8247VRTMFA ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MPC8247VRTMFA （相同外形与封装尺寸） ——差异在于 Core Architecture, Data Bus Width, Operating Temperature, PCI Interface, USB Interface.
快速对比工具——选择替代料号进行并排对比：
MPC8247VRTIEA
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$58.25 / 个
查看数据手册 →MPC8247VRMIBA
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
KMPC8247VRTMFA
✅ 直接替换📋 参考替代料（不在目录中）
MPC8247VRTMFA-IB
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MPC8245VRTMFA
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MPC8247CZQTFA
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MPC8247VRTMFA 最大额定值与电气特性
| Core Architecture | PowerPC G2_LE |
| Core Count | 1 |
| 数据总线宽度 | 32-bit |
| Maximum Core Frequency | 400 MHz |
| 封装 | 516-PBGA (27x27 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | 0C to +105C |
| Communications Processor Module (CPM) | Integrated |
| PCI Interface | PCI 2.2, 32-bit, up to 66 MHz |
| USB Interface | USB 1.1 (Host/Function) |
| Ethernet | Dual 10/100 Fast Ethernet |
| Memory Controller | SDRAM, ROM/Flash, General-Purpose Bus |
| Crypto Accelerators | IPsec, 3DES, AES, SHA-1, MD5 |
| Family | PowerQUICC II |
MPC8247VRTMFA 引脚配置
| 引脚 A1 | VCC — [DATA_NEEDED: signal name] |
| 引脚 B1 | GND — Ground |
| 引脚 C1 | NC — Not connected (per datasheet) |
典型应用
MPC8247VRTMFA 适用于 6 应用s: Small/Medium Enterprise Routers, VPN/Firewall Appliances, Wireless Access Points, Residential Gateways / DSLAM Line Cards, Industrial Networking / SCADA, Legacy Network Maintenance / Repair.
Small/Medium Enterprise Routers
The MPC8247VRTMFA's 400 MHz G2_LE core and integrated CPM make it well-suited for SME router control-plane processing, where it handles routing protocols (RIP, OSPF, BGP) while the CPM offloads packet forwarding and IPsec encryption. The dual Fast Ethernet MACs provide WAN/LAN connectivity without external bridge chips, and the PCI 2.2 bus allows expansion to additional interface cards (T1/E1, WLAN, VPN accelerator). PowerQUICC II's proven architecture and VxWorks/Linux BSP support accelerate firmware development. Compared to newer QorIQ parts, the MPC8247VRTMFA offers a lower BOM cost for entry-level routers where 100 Mbps throughput is sufficient.
推荐
VPN/Firewall Appliances
The integrated IPsec, 3DES, AES, SHA-1, and MD5 crypto accelerators enable wire-speed encryption for branch-office VPN gateways, making the MPC8247VRTMFA a strong fit for SMB VPN/firewall appliances. The CPM's DMA-driven encryption engine offloads IPsec ESP/AH processing from the G2_LE core, allowing the CPU to handle firewall state tables and policy lookups in parallel. Typical designs achieve AES-128 IPsec throughput sufficient for 50-100 Mbps site-to-site tunnels. Power dissipation at full encryption load requires a thermal pad and copper-pour heatsinking under the 516-PBGA, especially in fanless enclosures.
推荐
Wireless Access Points
The MPC8247VRTMFA's combination of Fast Ethernet MACs, PCI bus, and USB 1.1 host interface enables enterprise wireless access point designs where the MPU handles 802.11 management frames and WPA2 encryption while the CPM bridges wired/wireless segments. The PCI bus connects to 802.11a/b/g MAC/baseband chipsets (e.g., Atheros AR5212), and the USB host can interface to external radios or Bluetooth modules. Power consumption is suitable for PoE-powered APs at the 0C to +105C operating range. Note: 802.11n designs require faster processors - consider QorIQ for newer Wi-Fi standards.
推荐
Residential Gateways / DSLAM Line Cards
Residential gateway and DSLAM line card designs benefit from the MPC8247VRTMFA's integrated ATM segmentation (via CPM), USB host for printer/storage sharing, and Fast Ethernet for LAN ports. The PowerQUICC II's ATM AAL5 support is well-documented for xDSL applications. For low-cost ADSL2+/VDSL2 CPE, the MPC8247VRTMFA paired with a discrete PHY delivers a cost-effective BOM, though newer designs favor integrated SoCs. The 516-PBGA footprint requires an 8-layer PCB with controlled-impedance routing for the SDRAM interface.
推荐
Industrial Networking / SCADA
For industrial-grade networking and SCADA gateway applications, the MPC8247VRTMFA's VRTMFA suffix (commercial 0C to +105C) is suitable for climate-controlled cabinets; for harsher environments, the MPC8247VRTIEA industrial-grade variant (-40C to +105C) is recommended as a drop-in alternative. The dual Ethernet ports and PCI expansion support Modbus/TCP gateways, IEC 61850 substation routers, and protocol converters. The proven G2_LE + CPM architecture and long-term software ecosystem reduce certification risk for industrial deployments requiring 10+ year product lifecycles.
推荐
Legacy Network Maintenance / Repair
The MPC8247VRTMFA's primary ongoing role is sustaining deployed networking hardware in the field - repairing SME routers, VPN appliances, and wireless APs that have been in service for 10+ years. As an End-of-Life part, distributors (Rochester Electronics, LCSC, independent brokers) stock remaining inventory for repair contracts and warranty service. Reverse-logistics refurbishers rely on this part to keep legacy networking infrastructure operational. For new designs, NXP recommends migrating to QorIQ P1010 or PowerQUICC III MPC8347E, but for field repair, the MPC8247VRTMFA remains in demand.
推荐
推荐产品汇总
工程参考数据： MPC8247VRTMFA ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MPC8247VRTIEA | MPC8247VRMIBA | KMPC8247VRTMFA |
|---|---|---|---|---|
| Package | 516-PBGA (27x27) | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | PowerPC G2_LE @ 400 MHz | PowerPC G2_LE @ 400 MHz | PowerPC G2_LE @ 400 MHz | PowerPC G2_LE @ 400 MHz |
| Operating Temperature | 0C to +105C | -40C to +105C (industrial) | -40C to +105C (extended) | 0C to +105C |
| Qualification Level | Commercial | Industrial | Extended | K-grade (high reliability) |
| PCI Interface | PCI 2.2, 32-bit/66 MHz | PCI 2.2, 32-bit/66 MHz | PCI 2.2, 32-bit/66 MHz | PCI 2.2, 32-bit/66 MHz |
| USB Interface | USB 1.1 (Host/Function) | USB 1.1 (Host/Function) | USB 1.1 (Host/Function) | USB 1.1 (Host/Function) |
| Lifecycle Status | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy |
关键差异点
- Commercial temp grade at lowest cost （对比 MPC8247VRTIEA)
- Faster core than MPC8245 family （对比 MPC8245VRTMFA)
- End-of-Life - sourcing window closing （对比 QorIQ P1010)
- Proven G2_LE + CPM dual-engine architecture （对比 Single-core ARM9 alternatives)
设计说明
The 516-PBGA (27x27 mm) package requires an 8+ layer PCB with controlled-impedance routing. Use a 0.8 mm ball pitch and microvia/stacked-via technology for breakout. Match SDRAM trace lengths to within +/- 25 mils to preserve signal integrity at 133 MHz bus speeds. Place decoupling capacitors (0.1 uF ceramic) within 5 mm of each power pin, with bulk capacitors (10-22 uF tantalum or polymer) on each power rail.
Estimated: At full 400 MHz operation with both Ethernet MACs and PCI active, the MPC8247VRTMFA consumes approximately 1.5-2 W typical. With a typical 516-PBGA theta-JA of 18-22 C/W (depending on PCB stack-up), junction temperature rise is 27-44 C above ambient. In an enclosed router at 50C ambient, junction reaches 77-94 C - within the 105C limit but with limited margin. Add thermal vias under the exposed die pad and ensure copper pour continuity on inner layers.
Do not confuse the MPC8247VRTMFA suffix codes: VRTMFA = commercial temp (0 to +105C), VRTIEA = industrial (-40 to +105C), VRMIBA = extended, KMPC prefix = K-grade reliability. The first letter after 'VR' (T vs I vs M) encodes temperature grade. Also note that PowerQUICC II boot configuration is set via reset configuration pins (RCW) - hardwired boot mode resistors on the PCB determine whether the device boots from Flash, PCI host, or another source. Misconfigured RCW resistors are a common bring-up failure.
The MPC8247VRTMFA requires multiple supply rails: 1.8V core (VDD), 3.3V I/O (VDDH), and separate PLL analog supply (AVDD). Power sequencing requires 3.3V to stabilize before 1.8V rises. Use a power supervisor with separate enables for each rail. Inrush current during cold-start can reach 2-3 A - select bulk capacitors rated for this surge. Connect all GND balls to a low-impedance ground plane; do not rely on thermal vias for ground return paths.
合规信息
RoHS/REACH compliance data not available in verified web data. The MPC8247VRTMFA predates widespread RoHS adoption; verify compliance status with NXP or distributor documentation. Not AEC-Q100 qualified - not intended for automotive applications.