MPC8260AZUMHBB - PowerQUICC II HIP4 266MHz MPU | NXP 480-TBGA
料号： MPC8260AZUMHBB ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $78.5 | $78.50 |
| 10 | $72.8 | $728.00 |
| 100 | $64.2 | $6,420.00 |
| 500 | $58.4 | $29,200.00 |
| 1,000 | $52.1 | $52,100.00 |
MPC8260AZUMHBB 概述
A microprocessor (MPU) is a single-chip CPU implementation that combines the arithmetic logic unit, register file, control logic, cache, and bus interface onto one monolithic die; the PowerPC G2 core inside the MPC8260 fits this category and is positioned between 8-bit microcontrollers and high-performance DSPs in the embedded-compute hierarchy. The MPC8260 family specifically blends a PowerPC core with the Communication Processor Module (CPM), giving designers one device that handles both control-plane and data-plane traffic.
Key features include a 266 MHz core frequency, integrated CPM with three fast serial communications controllers supporting HDLC/Transparent, 10/100 Mbps Ethernet MAC, ATM, and PCI bridge interface. On-chip peripherals commonly include an MMU, dual 32-bit timers, interrupt controller, and 480-TBGA package with 1.55 mm height and 1.27 mm pitch for high-density backplane designs. The integrated CPM offloads protocol processing from the core, allowing deterministic wire-speed handling without an external ASIC.
Typical applications include telecom line cards, WAN routers, ATM switches, DSLAM line cards, and industrial control routers requiring deterministic wire-speed performance. The 480-TBGA package is a fine-pitch grid array suitable for high-layer-count backplane designs where controlled impedance and dense power/ground distribution are required.
When designing with this part, plan a 6+ layer PCB with dedicated power and ground planes, follow the IBIS model for SI simulations of the 60+ bus signals, and use the HiP4 reference schematics provided in the hardware specification document. The 1.8 V core rail and 3.3 V I/O rail require separate decoupling schemes as detailed in the documentation.
This page synthesizes distributor pricing as of 2026-10-17, same-family drop-in alternatives from the MPC8260 family, and practical design notes not found in the manufacturer datasheet, providing engineers a one-stop decision matrix for sourcing legacy PowerQUICC II silicon.
直接替换替代料： MPC8260AZUMHBB ——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： MPC8260AZUMHBB （相同外形与封装尺寸） ——差异在于 Process Technology, Data Bus Width, Architecture, Family, Manufacturer.
快速对比工具——选择替代料号进行并排对比：
MPC8260ACZUMHBB
✅ 直接替换✓ 有现货
$162.1 / 个
查看数据手册 →MPC8260AZUPIBB
✅ 直接替换✓ 有现货
$180 / 个
查看数据手册 →MPC8260AZUIHBXXX
✅ 直接替换📋 参考替代料（不在目录中）
MPC8260A
✅ 直接替换📋 参考替代料（不在目录中）
MPC8260E
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MPC8260AZUMHBB 最大额定值与电气特性
| Manufacturer | NXP Semiconductors (formerly Freescale/Motorola) |
| Product Family | PowerQUICC II HIP4 (MPC82xx) |
| Architecture | RISC, PowerPC G2 |
| 数据总线宽度 | 64-Bit |
| Core Clock Frequency | 266 MHz |
| Number of Cores | 1 |
| Process Technology | 0.25 µm CMOS |
| Supply Voltage (Core) | 1.8 V |
| Supply Voltage (I/O) | 3.3 V |
| Package Type | 480-TBGA (37.5 x 37.5 mm, 1.55 mm height, 1.27 mm pitch) |
| Peripherals | Communication Processor Module (CPM), PCI, Ethernet, ATM, HDLC |
| 安装类型 | Surface Mount |
| Silicon Revision | Rev B (HIP4) |
| Tray Packaging | Yes (per distributor listings) |
MPC8260AZUMHBB 480-tbga (37.5 x 37.5 mm, 1.55 mm height, 1.27 mm pitch) 引脚配置指南
MPC8260AZUMHBB（480-tbga (37.5 x 37.5 mm, 1.55 mm height, 1.27 mm pitch) 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： MPC8260AZUMHBB.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MPC8260AZUMHBB 适用于 6 应用s: Telecom Line Cards, WAN Routers and Edge Devices, ATM Switches, DSLAM Line Cards, Industrial Control Routiers, Legacy System Maintenance and Sustainment.
Telecom Line Cards
The MPC8260AZUMHBB is well-suited for telecom line cards because of its integrated Communication Processor Module (CPM) that offloads HDLC, Transparent, and ATM protocol processing from the PowerPC G2 core. Placed as the central processor on a line card, the part handles both TDM streams via serial interfaces and packet traffic via the Ethernet MAC at 10/100 Mbps, while exposing the PCI bus for connection to framer and transceiver ICs. The 266 MHz core frequency and dedicated CPM channels keep wire-speed performance deterministic without external ASIC assistance, making this part particularly attractive for channelized E1/T1 and DSLAM line-card designs where deterministic protocol latency is critical.
推荐
WAN Routers and Edge Devices
In WAN router architectures, the MPC8260AZUMHBB handles routing tables, packet classification, and forwarding decisions through its integrated Ethernet MAC and PCI interface. The PowerPC G2 core runs control-plane software while the CPM routes packets between TDM and packet domains, removing the need for a separate traffic-manager ASIC. With a 1.8 V core and 3.3 V I/O supply scheme, this MPU fits legacy 3.3 V backplanes common in carrier-grade routers. The 480-TBGA package places power, ground, and high-speed signals on the bottom of the BGA, allowing controlled-impedance routing on 6+ layer PCBs.
推荐
ATM Switches
For ATM switches, the MPC8260AZUMHBB provides the AAL segmentation and reassembly functions through its CPM, supporting ATM Adaptation Layer 1 and 5 protocols without external hardware. The 266 MHz core runs cell-switching fabric management software while the CPM concurrently handles cell segmentation/concatenation, simplifying switch-fabric design. PCI and Ethernet interfaces connect to PHY and fabric-ICD components, allowing drop-in reuse of existing ATM switch designs. The 64-bit data bus provides high throughput required for cell switching.
推荐
DSLAM Line Cards
In DSL Access Multiplexer line cards, the MPC8260AZUMHBB aggregates multiple DSL link-layer connections through its multi-channel HDLC controllers in the CPM. Each xDSL line can be assigned a dedicated HDLC channel in the CPM, with the PowerPC core handling higher-layer processing for ATM-based DSL. Its 480-TBGA package and 1.8 V core / 3.3 V I/O supply scheme match typical DSLAM line-card power designs, where density and channel count per board are critical. The MPU also bridges to backplane PCI for connection to the DSLAM central processor.
推荐
Industrial Control Routiers
For industrial control routers in factory automation and SCADA networks, the MPC8260AZUMHBB integrates real-time protocol handling (HDLC, serial, TDM) with TCP/IP networking. The PowerPC G2 core runs deterministic routing and firewall software, while the CPM manages serial and serial-IP protocol conversion with hardware assist. The MPU accepts industrial temperature ranges and operates reliably in legacy 3.3 V backplane environments. Its PCI bus connects to digital I/O cards, sensor interfaces, and gateway PHY chips.
推荐
Legacy System Maintenance and Sustainment
The MPC8260AZUMHBB is commonly required to maintain deployed telecom, networking, and industrial systems that were designed around PowerQUICC II silicon. With end-of-life approaching, sourcing genuine same-package drop-in replacements for field repair is critical: parts like MPC8260ACZUMHBB (same 480-TBGA footprint) and MPC8260AZUPIBB (same package, different peripheral configuration) provide form-fit-function continuity. These alternatives allow service organizations to extend system life cycles without PCB rework when original stocks run out.
推荐
推荐产品汇总
工程参考数据： MPC8260AZUMHBB ——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 | MPC8260ACZUMHBB | MPC8260AZUPIBB | MPC8260AZUIHBXXX | MPC8260A |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 480-TBGA (37.5x37.5) | 480-TBGA (37.5x37.5) | 480-TBGA (37.5x37.5) | 480-TBGA (37.5x37.5) | 480-TBGA (37.5x37.5) |
| Architecture | PowerPC G2 RISC | PowerPC G2 RISC | PowerPC G2 RISC | PowerPC G2 RISC | PowerPC G2 RISC |
| Data Bus Width | 64-Bit | 64-Bit | 64-Bit | 64-Bit | 64-Bit |
| Core Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Process Technology | 0.25 µm CMOS | 0.25 µm CMOS | 0.25 µm CMOS | 0.25 µm CMOS | 0.25 µm CMOS |
| Silicon Revision | HIP4 Rev B | HIP4 Rev B | HIP4 Rev B | HIP4 Rev B | HIP4 Rev B |
关键差异点
- Drop-in same-package replacement across entire MPC8260A family （对比 MPC8260ACZUMHBB)
- Integrated Communication Processor Module (CPM) （对比 MPC8260A (base))
- Proven 0.25 µm HiP4 silicon maturity （对比 MPC8260E)
- Wide third-party design support legacy （对比 MPC8260AZUIHBXXX)
设计说明
The 480-TBGA package (37.5 x 37.5 mm, 1.27 mm pitch) requires 6+ layer PCB with dedicated power and ground planes for the 1.8 V core and 3.3 V I/O rails. Use the IBIS model from the HiP4 hardware specification to verify signal integrity on the 64-bit data bus and high-speed serial interfaces. Escape routing must use microvia technology (laser-drilled) to fan out from the BGA balls; trace lengths should be matched within ±50 mil for bus signals and within ±25 mil for differential pairs.
Decoupling for the 1.8 V core rail requires at least 10 x 0.1 µF X7R ceramic capacitors distributed under the BGA, plus 4 x 10 µF tantalum bulk capacitors. The 3.3 V I/O rail requires similar decoupling. Estimated: at 266 MHz with typical CPM usage, the core current can reach 1.5-2 A; verify with the power calculator application note before finalizing the power tree. Power sequencing (core before I/O, or simultaneous) is critical to avoid latch-up.
Do not assume software from the MPC8260 (non-HiP4) directly runs on the MPC8260A HiP4 silicon; the silicon revision check should always be performed when porting firmware. Pinout compatibility between HiP4 and HIP3 revisions is preserved, but some memory-mapped peripheral registers changed. Consult the Hardware Specifications document for the silicon-revision-specific errata list before deployment.
合规信息
Compliance data for MPC8260AZUMHBB was not present in the verified web data above. Lifecycle status 'nrnd' (not recommended for new designs) indicates approaching end of life per NXP product page. Engineers should verify compliance certificates directly with NXP or authorized distributors before qualification.
