MPC8271VRMIBA - PowerQUICC II MPC8271, 266MHz, 516-PBGA | NXP
料号： MPC8271VRMIBA ⚠ 最后一次采购| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $72.1 | $721.00 |
| 100 | $64.85 | $6,485.00 |
| 500 | $58.2 | $29,100.00 |
| 1,000 | $53.4 | $53,400.00 |
MPC8271VRMIBA 概述
A PowerQUICC II processor is a highly integrated system-on-chip that pairs a general-purpose Power Architecture core with a dedicated RISC communications engine to offload networking tasks such as HDLC, ATM, Ethernet MAC, and UART handling. In the broader taxonomy, this places it as a communications processor -> embedded MPU -> microprocessor -> integrated circuit. The architecture is a successor to the original PowerQUICC I (MPC860) line and is widely used in routers, DSLAMs, and industrial control planes where deterministic I/O throughput matters more than raw clock speed.
Key features of the MPC8271VRMIBA include the 266MHz PowerPC G2_LE core, dual 10/100 Ethernet MACs supported by the CPM, a 32-bit PCI interface, three fast UARTs, and a 60x-compatible bus with SDRAM controller. The device integrates hardware security for encryption acceleration and is fabricated in NXP's 0.13 micron HiP7 process, which balances leakage and performance for embedded workloads.
From an architectural standpoint, the Power Architecture core executes the operating-system and control-plane code while the CPM autonomously services time-critical I/O via microcode-driven protocol engines, freeing the core from bit-banging. This dual-engine approach is what historically differentiated PowerQUICC II from simpler ARM-based MCUs in wired networking designs.
Typical applications include small-to-medium enterprise routers, integrated access devices, industrial gateways, and line cards for legacy telecom equipment. The 60x bus and dual Ethernet ports make it well suited to designs that need to bridge legacy MII/RMII peripherals with modern switching fabrics. Selected peripherals from the Site MPN list such as the MAX1304ECM/V+ ADC and MAX1363MEUB+ ADC are often paired on the same control board for sensor aggregation.
When laying out this BGA, allocate at least four PCB layers with a continuous ground plane under the package; the 27x27 mm footprint leaves space for trace fan-out between balls on the inner layers. Decouple each Vdd/VddCore supply pair with a 0.1 uF X7R plus a 10 uF tantalum within 5 mm of the ball to keep the CPM's SERDES-like I/O quiet during burst transfers.
直接替换替代料： MPC8271VRMIBA ——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： MPC8271VRMIBA （相同外形与封装尺寸） ——差异在于 Core Architecture, PCI Interface, Package, Process Technology, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
MPC8271ZQMIBA
✅ 直接替换✓ 有现货
$12.85 / 个
查看数据手册 →MPC8271CVRMIBA
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$13.1 / 个
查看数据手册 →MPC8272VRMIBA
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$52.95 / 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）
MPC8248VRMIBA
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$49.95 / 个
查看数据手册 →MPC8271VRMIBA 最大额定值与电气特性
| Core Architecture | PowerPC G2_LE (Power Architecture) |
| Core Count | 1 |
| 数据总线宽度 | 32-bit |
| Maximum Core Frequency | 266 MHz |
| Series | MPC82xx (PowerQUICC II) |
| 封装 | 516-PBGA (27x27 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | 0C to +105C (TA) |
| Process Technology | 0.13 micron HiP7 CMOS |
| Communications Processor Module | Yes (CPM with RISC engine) |
| Ethernet MAC | Dual 10/100 Mbps (Fast Ethernet) |
| PCI Interface | 32-bit, 66 MHz PCI |
| Memory Controller | 60x bus with SDRAM support |
| UARTs | 3x Fast UART |
| Hardware Security | Integrated encryption acceleration |
MPC8271VRMIBA 516-pbga (27x27 mm) 引脚配置指南
MPC8271VRMIBA（516-pbga (27x27 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MPC8271VRMIBA.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MPC8271VRMIBA 适用于 7 应用s: Small-to-Medium Enterprise Routers, DSLAM Line Cards and Access Multiplexers, Industrial Gateways and Protocol Converters, Legacy Telecom Equipment and Line Cards, Network Attached Storage (NAS) Controllers, Printers and Imaging Controllers, Point-of-Sale (POS) Terminals.
Small-to-Medium Enterprise Routers
The MPC8271VRMIBA's dual 10/100 Ethernet MACs and integrated CPM deliver deterministic routing performance for small and medium business routers handling under 50 Mbps of aggregate traffic. Its 266MHz PowerPC G2_LE core runs embedded Linux or VxWorks with full IPsec offload, while the CPM microcode engines service PPPoE, NAT, and HDLC framing without burdening the main core. The 60x bus supports up to 256 MB of SDRAM for routing tables and connection state. Compared to ARM-based router MCUs of the era, the MPC8271VRMIBA provided wire-speed encryption acceleration in a single 27x27 mm BGA. Pairs naturally with companion Ethernet PHYs and the MAX150AEPP+ supervisor IC.
推荐
DSLAM Line Cards and Access Multiplexers
DSL access multiplexers and integrated access devices rely on the MPC8271VRMIBA's TDM-capable CPM with up to three fast UARTs and HDLC channels to aggregate subscriber lines onto a single uplink. The processor handles ATM AAL2 segmentation and reassembly in hardware via CPM microcode, freeing the PowerPC core for QoS scheduling. At 266MHz it sustains full-duplex G.SHDSL or ADSL2+ line termination for 24 to 48 ports per card. The 32-bit PCI bus links cleanly to upstream DSL framer ASICs. Designers often pair the MPC8271VRMIBA with the MAX1304ECM/V+ for power-rail telemetry monitoring.
推荐
Industrial Gateways and Protocol Converters
Industrial protocol gateways leverage the MPC8271VRMIBA to translate between Modbus TCP, Profibus, EtherNet/IP, and legacy RS-485 fieldbus networks via the integrated dual Ethernet MACs and three fast UARTs. The 0 to 105C operating range handles factory-floor cabinets without derating, while the hardware encryption engine secures IPsec tunnels to MES systems. The 60x SDRAM controller supports memory-mapped I/O for high-speed DMA to external FIFOs. With deterministic interrupt latency from the CPM, the MPC8271VRMIBA fits tightly synchronized motion-control and SCADA aggregator nodes. Pair with the MAX14701EWC+ for industrial RS-485 isolation and the MAX1363MEUB+ for analog sensor aggregation.
推荐
Legacy Telecom Equipment and Line Cards
Telecom equipment manufacturers specified the MPC8271VRMIBA for T1/E1 line cards, voice-over-IP gateways, and SS7 signaling controllers where CPM microcode handles channelized TDM without software overhead. The 32-bit 66MHz PCI interface provides a clean path to legacy TDM framer ASICs, while the 60x external bus serves up to 256 MB of SDRAM for call-record buffering. Hardware encryption acceleration enables IPsec-protected signaling between carrier-grade SBCs and central office switches. Telecom designers combine the MPC8271VRMIBA with the MAX162ACNG+ supervisor for power-rail sequencing and the MAX178BCNG for telecom-grade digital I/O expansion.
推荐
Network Attached Storage (NAS) Controllers
Mid-range NAS appliances and iSCSI storage controllers use the MPC8271VRMIBA to manage up to four SATA or PATA drives via the PCI bus while serving file-system requests over dual Gigabit-class Ethernet (via external PHY). The 266MHz core handles NFS, SMB, and CIFS protocol processing, while the CPM offloads TCP/IP and iSCSI packet assembly. The 60x bus and SDRAM controller support the 128 to 256 MB buffer memory typical of small-business NAS units. Hardware encryption engine accelerates encrypted volumes without thrashing the main processor. Pairs with the MAX150ACPP supervisor and MAX195BCWE SAR ADC for power and thermal telemetry.
推荐
Printers and Imaging Controllers
High-end office printers and production imaging systems specified the MPC8271VRMIBA as the main imaging controller, using its CPM to drive high-speed image data DMA channels while the PowerPC core handles PDL interpretation, RIP rendering, and RIP scheduling. The 32-bit PCI bus links to image scanner ASICs and engine controllers, while the dual Ethernet MACs provide gigabit-capable network connectivity at print job ingest. The 0.13 micron HiP7 process keeps junction temperature manageable in enclosed printer chassis. Pairs with the MAX1419ETN+D ADC for paper sensor aggregation and the MAX176ACPA supervisor for power sequencing.
推荐
Point-of-Sale (POS) Terminals
Multi-lane retail POS terminals and self-checkout kiosks run the MPC8271VRMIBA as the main processor, using its hardware encryption engine for EMV chip-card authentication and PCI-DSS-compliant PIN-pad communications. The three fast UARTs drive barcode scanners, receipt printers, and cash-drawer interfaces simultaneously, while the dual Ethernet MACs link to store LAN backbones for inventory lookups and payment gateway traffic. The integrated CPM offloads EFT transaction handling for predictable response times at peak retail hours. Pair with the MAX154BCWG ADC for power monitoring and the MAX158AEPI+ supervisor for supply rail sequencing.
推荐
推荐产品汇总
工程参考数据： MPC8271VRMIBA ——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 | MPC8271ZQMIBA | MPC8271CVRMIBA | MPC8272VRMIBA | MPC8247VRMIBA |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 516-PBGA (27x27 mm) | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same | 516-PBGA (27x27) - same |
| Core Architecture | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE | PowerPC G2_LE |
| Ethernet MACs | Dual 10/100 | Dual 10/100 | Dual 10/100 | Dual 10/100 (with security) | Single 10/100 |
| PCI Interface | 32-bit, 66 MHz | 32-bit, 66 MHz | 32-bit, 66 MHz | 32-bit, 66 MHz | 32-bit, 66 MHz |
| CPM Architecture | Full CPM (HDLC + ATM + Ethernet) | Full CPM | Full CPM | Full CPM with enhanced security | Reduced CPM (no ATM) |
| Lifecycle Status | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Obsolete |
关键差异点
- Identical pinout at the same stepping （对比 MPC8271ZQMIBA)
- Dual 10/100 Ethernet MACs with full CPM offload （对比 MPC8247VRMIBA)
- Hardware encryption engine for IPsec acceleration （对比 MPC8272VRMIBA (same family))
设计说明
The 516-PBGA at 27x27 mm requires at least a 4-layer PCB with continuous ground and power planes on layers 2 and 3. Use 0.2 mm laser-drilled microvias on BGA fan-out and route high-speed 60x bus and DDR signals on inner stripline layers with 50 ohm impedance control. Place 0.1 uF X7R decoupling caps directly under the BGA within 3 mm of each supply ball, plus 10 uF bulk tantalum capacitors at the four corners of the package. Ground vias should be placed in the thermal pad array beneath the die to reduce thermal resistance to 8-15 C/W depending on board copper weight.
Estimated: at 266MHz core frequency and typical 1.5V core supply drawing 700 mA, internal power dissipation is approximately 1.05 W. Combined with 3.3V I/O at 200 mA (0.66 W) the total dissipation reaches 1.7 W. With a typical theta-JA of 18 C/W for a 4-layer JEDEC test board, junction temperature rises roughly 30C above ambient, leaving headroom for the 105C upper limit. Engineers should always validate with the manufacturer's IBIS model and confirm margin via point-of-load thermal monitoring using a SAR ADC such as the MAX195BCWE on each production board. Higher-density layouts may require a heatsink or airflow to maintain safe junction temperature.
The 60x bus runs at full bus speed up to 66MHz with SDRAM memories; maintain matched trace lengths within +/- 1 cm on the address/command group and +/- 0.5 cm on the data group. Use SSN (simultaneous switching noise) suppression by adding 22 ohm series damping resistors on the SDRAM clock and source-synchronous strobe lines. For the PCI interface at 66 MHz 32-bit mode, keep trace lengths under 50 mm and use a 2.5 V reference for signaling. Maintain a clearance of at least 3W from the Ethernet MII signals to avoid coupling into the analog PHY.
Ensure the boot ROM configuration matches the silicon revision; the 'A' suffix in MPC8271VRMIBA denotes a specific stepping that requires corresponding boot code. Do not assume pull-up resistors are internal: I2C, IRQ, and most CPM pins require external 4.7 kohm pull-ups to 3.3V. Note that the part is in last-time-buy (EOL) per NXP's discontinuance notice, so designers should evaluate migration paths to MPC8308 or QorIQ LS1012A for new programs as of 2026-10-16.
合规信息
Verified web data does not include explicit RoHS, REACH, lead-free, halogen-free, or conflict-mineral declarations for the MPC8271VRMIBA. Confirm with NXP or the distributor of record before using in restricted end products. The 516-PBGA package is offered in lead-free finishes in similar PowerQUICC II family parts, but the specific suffix 'VRMIBA' has no published material declaration in the supplied data.
