MPC8260ACZUMHBB - PowerQUICC II MPU 266MHz TBGA-480 | NXP
料号： MPC8260ACZUMHBB ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $254.2 | $254.20 |
| 10 | $225.5 | $2,255.00 |
| 100 | $195 | $19,500.00 |
| 250 | $178.4 | $44,600.00 |
| 500 | $162.1 | $81,050.00 |
MPC8260ACZUMHBB 概述
A PowerPC microprocessor (MPU) is a 32-bit embedded processor originally derived from the PowerPC RISC instruction set and now widely deployed in networking, telecom, and industrial control systems. MPU ICs sit at the top of the embedded computing hierarchy above microcontrollers (MCUs), which typically integrate on-chip flash and peripherals; MPUs instead rely on external memory and external peripherals to deliver higher throughput. PowerQUICC II specifically integrates a communications engine (CPM) on-chip alongside the CPU core, which is why it is classified as an integrated communications processor rather than a pure compute MPU.
Key features of the MPC8260ACZUMHBB include a 266 MHz PowerPC G2 core, 64-bit data bus, integrated 10/100 Ethernet MAC, UTOPIA II interface, and 256-channel HDLC support. The device integrates multiple peripheral engines on-chip to reduce external component count in DSLAMs, routers, and ATM switches. The 480-TBGA package supports a 1.8 V core supply with separate I/O voltage rails per industry-standard PowerQUICC II power architecture. Hardware floating-point support is present in this MPC8260 variant as called out in the family overview.
The MPC8260A HiP4 silicon uses a 0.25 micrometer CMOS process, which is reflected in the official hardware specifications document's electrical characteristics section. The CPM (Communications Processor Module) can offload up to two 10/100 Mbit Ethernet ports, HDLC channels, UTOPIA II ATM, and serial peripheral interfaces from the main core. Memory-mapped peripheral registers and dual Fast Ethernet controllers make the part suitable for line-card and central-office designs.
Typical applications include telecommunications line cards, routers, DSLAMs, ATM switches, and industrial control systems requiring deterministic 32-bit compute with rich communications peripherals. The part is also used in legacy voice-over-IP gateways and Frame Relay / PPP aggregation equipment, where PowerQUICC II's HDLC and multi-channel serial support remain valuable.
When designing with this MPU, ensure the 480-TBGA PCB has matched-length routing for the 60x/64-bit memory bus plus adequate decoupling for the 1.8 V core rail. Note that NXP has marked this specific MPN as discontinued ("No Longer Manufactured"), so long-term designs should evaluate the active PowerQUICC II family members or successor Layerscape and QorIQ parts.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet or distributor catalog page.
直接替换替代料： MPC8260ACZUMHBB ——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： MPC8260ACZUMHBB （相同外形与封装尺寸） ——差异在于 Process Technology, Architecture, Operating Temperature, Package Type, Series.
快速对比工具——选择替代料号进行并排对比：
MPC8260ACZUPIBB
✅ 直接替换📋 参考替代料（不在目录中）
MPC8260AVVMHBB
✅ 直接替换📋 参考替代料（不在目录中）
MPC8265AZUPJDC
✅ 直接替换✓ 有现货
$172 / 个
查看数据手册 →MPC8255ACZUMHBB
✅ 直接替换✓ 有现货
$97.5 / 个
查看数据手册 →MPC8250ACVVMHBC
✅ 直接替换📋 参考替代料（不在目录中）
MPC8270CZQMIBA
✅ 直接替换✓ 有现货
$52.85 / 个
查看数据手册 →MPC8260ACZUMHBB 最大额定值与电气特性
| Manufacturer | NXP Semiconductors (originally Motorola / Freescale) |
| Series | PowerQUICC II (MPC82xx) |
| Family | MPC8260A HiP4 Family (Hardware Specifications) |
| Core | PowerPC G2 |
| Architecture | RISC, 32-bit |
| Number of Cores | 1 |
| Core Frequency | 266 MHz |
| 数据总线宽度 | 64-bit |
| Process Technology | 0.25 micrometer CMOS (HiP4) |
| Supply Voltage (Core) | 1.8 V |
| Package Type | T-BGA (TBGA-480) |
| Package Dimensions | 37.5 x 37.5 mm, 1.55 mm height, 1.27 mm pitch |
| 引脚数 | 480 |
| 安装类型 | Surface Mount |
| Integrated Ethernet | 10/100 Ethernet MAC |
| UTOPIA Interface | UTOPIA II |
| HDLC Channels | 256 channels |
| Hardware Floating Point | Yes (per family overview) |
MPC8260ACZUMHBB 37.5 x 37.5 mm, 1.55 mm height, 1.27 mm pitch 引脚配置指南
MPC8260ACZUMHBB（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： MPC8260ACZUMHBB.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MPC8260ACZUMHBB 适用于 7 应用s: Telecommunications Line Card, Enterprise Router / Edge Router, DSLAM / DSL Access Multiplexer, ATM Switch / Frame Relay Aggregator, Industrial Control Gateway, Voice-over-IP / Media Gateway, Legacy Networking Printer / Imaging Server.
Telecommunications Line Card
The MPC8260ACZUMHBB's integrated CPM with 256-channel HDLC support and UTOPIA II ATM framer makes it well-suited for telecom line cards aggregating T1/E1 or DSL links. Placed at the heart of a line card it terminates framing in hardware, leaving the PowerPC G2 core free for higher-layer forwarding, while the 64-bit data bus and on-chip 10/100 Ethernet MAC connect to backplane uplinks with low CPU overhead. For an aggregation card this part delivers deterministic 266 MHz processing for multi-protocol traffic, eliminating external framing chips.
推荐
Enterprise Router / Edge Router
In an enterprise or SMB edge router, the MPC8260ACZUMHBB's on-chip 10/100 Ethernet MAC together with its hardware-accelerated HDLC and ATM functions fit naturally as the main CPU and forwarding engine. Its 266 MHz PowerPC G2 core sustains routing tables and policy processing while the CPM offloads VPN, PPP, and Frame Relay encapsulations from the main CPU. The trade-off versus newer Layerscape or QorIQ parts is software ecosystem maturity versus raw performance, which favors the MPC8260A in long-life legacy networking designs.
推荐
DSLAM / DSL Access Multiplexer
The MPC8260ACZUMHBB's UTOPIA II interface and rich serial peripheral set make it a classic DSLAM host CPU where ATM and multi-PHY DSL interfaces must be aggregated onto a backbone uplink. The CPM drives ATM segmentation and reassembly in silicon, leaving the 32-bit core free for QoS scheduling and per-subscriber traffic shaping at line-card scale. Pairing this MPU with a multi-channel DSL AFE and a UTOPIA-attached PHY array gives a low-chip-count DSLAM design.
推荐
ATM Switch / Frame Relay Aggregator
A central-office ATM switch or Frame Relay aggregator benefits from the MPC8260ACZUMHBB's combination of multi-channel HDLC, UTOPIA II, and embedded Ethernet MAC. The integrated CPM hardware-accelerates AAL2/AAL5 segmentation while the 32-bit PowerPC G2 core handles CAC (connection admission control) and traffic policing at 266 MHz. Designers gain deterministic latency for time-sensitive voice traffic alongside the flexibility to run Linux or VxWorks on the core for management plane tasks.
推荐
Industrial Control Gateway
For an industrial-control gateway that bridges Modbus/Profibus serial links to Ethernet, the MPC8260ACZUMHBB's multi-protocol serial engines and 10/100 MAC are valuable, while the 266 MHz core handles control-plane web configuration. Housed in a 480-TBGA package on a controlled-impedance multilayer PCB, it provides deterministic latency for SCADA traffic alongside Ethernet/IP forwarding. Because the part is no longer manufactured, long-life industrial designs should pair it with a Rochester Electronics traceable stock and a forward-compatible migration plan.
推荐
Voice-over-IP / Media Gateway
The MPC8260ACZUMHBB's 256-channel HDLC, UTOPIA II, and hardware floating point map directly to legacy VoIP gateway designs where TDM / PSTN links must be repackaged into RTP streams on an Ethernet uplink. The 266 MHz PowerPC G2 core runs RTP jitter buffers and signaling stacks while the CPM handles TDM circuit switching and clock recovery in silicon. With its floating-point unit, the part also accelerates speech-compression codecs (G.729, G.723.1) far more efficiently than integer-only MCUs.
推荐
Legacy Networking Printer / Imaging Server
An imaging server or high-volume networked printer can use the MPC8260ACZUMHBB to terminate Ethernet traffic with its on-chip 10/100 MAC and to drive imaging pipelines with the 266 MHz PowerPC G2 core. The rich on-chip serial engines simplify connecting the MPU to scanner engines, ribbon-shifters, and operator-panel controllers via the same die. The TBGA-480 package integrates cleanly into the controller PCB of a high-performance imaging system without requiring a second networking chip.
推荐
推荐产品汇总
工程参考数据： MPC8260ACZUMHBB ——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 | MPC8260ACZUPIBB | MPC8260AVVMHBB | MPC8265AZUPJDC | MPC8255ACZUMHBB | MPC8250ACVVMHBC | MPC8270CZQMIBA |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | TBGA-480 (37.5 x 37.5 mm) | TBGA-480 - same | TBGA-480 - same | TBGA-480 - same | TBGA-480 - same | TBGA-480 - same | TBGA-480 - same |
| Core Architecture | PowerPC G2 (32-bit RISC) | PowerPC G2 | PowerPC G2 | PowerPC G2 (HIP4C) | PowerPC G2 | PowerPC G2 | PowerPC G2 |
| Data Bus Width | 64-bit | 64-bit | 64-bit | 64-bit | 64-bit | 64-bit | 64-bit |
| Silicon Process | 0.25 um CMOS (HiP4) | 0.25 um CMOS (HiP4) | 0.25 um CMOS (HiP4) | 0.25 um CMOS (HiP4C) | 0.25 um CMOS (HiP4) | 0.25 um CMOS (HiP4) | 0.25 um CMOS |
| Integrated Ethernet | 10/100 Ethernet MAC + UTOPIA II | 10/100 Ethernet MAC + UTOPIA II | 10/100 Ethernet MAC + UTOPIA II | 10/100 Ethernet + UTOPIA II + | 10/100 Ethernet MAC | 10/100 Ethernet MAC | 10/100 Ethernet + UTOPIA II |
关键差异点
- Late-revision HIP4 silicon with hardware floating point （对比 MPC8255ACZUMHBB)
- Same 480-TBGA package as the MPC8270, easing hardware upgrade （对比 MPC8248CVRTIEA)
- 256-channel HDLC and UTOPIA II in a single die （对比 MPC8265AZUPJDC (HIP4C))
设计说明
Estimated: the 480-TBGA package at 37.5 x 37.5 mm with 1.27 mm ball pitch requires a PCB with at least 4 routing layers, 8 preferred, to escape the 480-ball array and route the 64-bit external memory bus with matched lengths. Decoupling the 1.8 V core rail requires bulk ceramic MLCCs placed within a few millimeters of the package BGA balls, plus high-frequency 100 nF capacitors adjacent to the balls.
Estimated: the PowerPC G2 core running at 266 MHz on a 0.25 micrometer CMOS process can dissipate 5 W or more in worst-case Telco applications and requires thermal management (heat spreader or forced airflow) inside the telecom chassis. Use the package thermal resistance theta_JA from the MPC8260A Hardware Specifications document to compute junction temperature rise for your airflow assumption.
The MPC8260ACZUMHBB has been classified as No Longer Manufactured by NXP, so production volumes must rely on distributor inventory and post-obsolescence sources such as Rochester Electronics. Do not design the part into new platforms without an active second source or a validated upgrade path (such as the MPC8265A HIP4C or MPC8270 family members) because NXP will not accept additional orders for the original part.
The 64-bit external memory bus (up to 60x/64-bit configurations per datasheet) must be routed with matched lengths and termination tuned to the bus frequency; otherwise signal-integrity violations will occur at 266 MHz. Keep UTOPIA II, Ethernet MAC, and HDLC serial traces length-matched within their respective clock domains and isolated from noisy switching supplies.
合规信息
Compliance information not present in the Verified Web Data provided. This MPN is a No Longer Manufactured legacy MPU; consult Rochester Electronics or the original datasheet for definitive environmental statements.
