MCF5474VR266 - 266MHz ColdFire V4e MPU | NXP | 388-PBGA
料号： MCF5474VR266 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1 | $1.00 |
| 10 | $1 | $10.00 |
| 100 | $1 | $100.00 |
| 500 | $1 | $500.00 |
| 1,000 | $1 | $1,000.00 |
MCF5474VR266 概述
A microprocessor unit (MPU) is the central computing engine of an embedded system, sitting above microcontrollers in the hierarchy by offering higher clock speeds, external memory interfaces, and richer peripherals while requiring external program memory. The ColdFire V4e architecture is an enhanced 32-bit RISC-derived CISC-compatible core that adds a memory management unit (MMU) and a floating-point unit (FPU) directly on the core, enabling running of high-level operating systems such as Linux.
Key features of the MCF5474VR266 include the 266 MHz V4e core with hardware divide, MMU, and FPU; dual Ethernet media access controllers (MACs) for redundant or dual-port networking; a PCI controller for host/expansion connectivity; a hardware encryption accelerator supporting secure communications; and multiple serial interfaces including USB, I2C, UART, and DMA-capable serial peripherals.
Architecturally, the device couples the ColdFire V4e execution core with a system bus that services the on-chip peripherals and an external bus interface, allowing ROMless operation where boot code and applications are fetched from external flash or SDRAM. The ROMless design (denoted by the V in the part number suffix) gives system designers full control of code storage, which suits scalable networking products. The hardware encryption accelerator offloads DES/3DES/AES-class operations from the core, sustaining line-rate secure throughput in network control planes.
Typical applications include industrial Ethernet switches and gateways, networked building and process control, print and imaging systems, and secure remote-management nodes where dual Ethernet plus PCI and cryptographic acceleration are required.
A key design consideration is supply architecture: the MCF5474VR266 operates from dual 2.5V (core) and 3.3V (I/O) rails, so a proper power-sequencing and decoupling plan is required. Thermal design should also budget for the power dissipated by the 266 MHz core in the 27 x 27 mm PBGA.
This page adds information gain beyond the datasheet by synthesizing distributor inventory, pin-compatible family alternatives, lifecycle status (NRND), and practical drop-in replacement guidance in one place.
直接替换替代料： MCF5474VR266 ——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： MCF5474VR266 （相同外形与封装尺寸） ——差异在于 Encryption Accelerator, Package, Core Architecture, FPU, MMU.
快速对比工具——选择替代料号进行并排对比：
MCF5475VR266
✅ 直接替换✓ 有现货
$26.4 / 个
查看数据手册 →MCF5471VR200
✅ 直接替换✓ 有现货
$26.4 / 个
查看数据手册 →MCF5475VR200
✅ 直接替换✓ 有现货
$25.6 / 个
查看数据手册 →MCF5475ZP266
✅ 直接替换✓ 有现货
$52.1 / 个
查看数据手册 →MCF5472ZP200
✅ 直接替换✓ 有现货
$31.45 / 个
查看数据手册 →MCF5483CVR166
✅ 直接替换✓ 有现货
$53.4 / 个
查看数据手册 →MCF5474VR266 最大额定值与电气特性
| Core Processor | ColdFire V4e (MCF547x) |
| Core Size | 32-Bit |
| Speed | 266 MHz |
| Architecture | RISC processor core with MMU and FPU |
| Program Memory Type | ROMless (external memory required) |
| Program Memory Size | 0 (ROMless) |
| Ethernet | 2 x 10/100 Mbps Ethernet MAC |
| Peripheral Interfaces | PCI, USB, I2C, UART, DMA serial peripherals |
| Hardware Accelerator | Encryption accelerator for secure communications |
| 电源电压 | 2.5 V / 3.3 V |
| 封装 | 388-PBGA (27 x 27 mm) |
| 安装类型 | Surface Mount |
| Supplier Device Package | 388-BBGA |
| Series | MCF547x ColdFire V4E |
| Pin-Compatible Family | MCF548x family |
| 生命周期状态 | NRND (Not Recommended for New Designs) |
MCF5474VR266 388-bbga 引脚配置指南
MCF5474VR266（388-bbga 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： MCF5474VR266.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCF5474VR266 适用于 6 应用s: Industrial Ethernet Switches and Gateways, Networked Building and Process Control, Secure Remote-Management Nodes, Print and Imaging Systems, Test and Measurement Instrument Control, Medical Networked Monitoring Equipment.
Industrial Ethernet Switches and Gateways
The MCF5474VR266 fits industrial Ethernet switching because it integrates two independent 10/100 Ethernet MACs plus a PCI controller on one die, letting a single 266 MHz ColdFire V4e core manage switch fabric control, protocol stacks, and management interfaces concurrently. In a gateway topology, one Ethernet port faces the plant floor network (Modbus TCP, EtherNet/IP) while the second port connects upward to supervisory systems, removing the need for an external second MAC chip. The ROMless external-bus design allows flash capacity to scale with protocol feature sets. The hardware encryption accelerator secures remote-management sessions at line-rate without stealing core cycles, a quantified benefit for always-on TLS/SSH endpoints in factory networks.
推荐
Networked Building and Process Control
For building automation and process controllers, the MCF5474VR266 provides an MMU-equipped 266 MHz core that can run embedded Linux with multiple protocol daemons while the dual Ethernet MACs partition control traffic from management traffic physically at the silicon level. The FPU accelerates PID loop math and sensor scaling without software emulation, improving worst-case loop determinism. Its PCI interface accepts off-the-shelf fieldbus or data-acquisition expansion cards, and the DMA-capable serial peripherals move ADC or I/O data with minimal CPU overhead. Because the part is ROMless, OEMs control firmware entirely from external flash, easing field-update strategy. In these cost-sensitive, long-lifecycle products, the NRND status should be mitigated with a last-time-buy of the 266 MHz grade or a pin-compatible MCF548x migration.
推荐
Secure Remote-Management Nodes
The dedicated encryption accelerator makes the MCF5474VR266 well suited to secure remote management appliances - out-of-band console servers, VPN termination nodes, and secure telemetry gateways. AES/DES-class offload sustains encrypted tunnels while the 266 MHz V4e core simultaneously serves web management interfaces over the second Ethernet port, achieving secure and plaintext traffic handling on one device. The MMU enables memory-protected Linux, isolating management daemons from data-plane code for security hardening. Dual 2.5V/3.3V supply rails keep the power design simple relative to multi-rail SoCs. Since lifecycle status is NRND, secure-design teams should pair existing designs with a documented replacement plan using pin-compatible MCF5475VR266 or MCF548x parts before authorized stock depletes.
推荐
Print and Imaging Systems
Print engines, MFP controllers, and imaging peripherals historically favored the MCF547x family for its combination of PCI, USB, Ethernet, and general-purpose serial peripherals on a single 266 MHz CPU. The V4e core handles raster processing and job scheduling; PCI connects the video/marker interface ASIC; USB serves job submission and configuration; and the Ethernet MACs integrate the device into office networks. The MMU allows a Linux-based print stack with separate processes for spooling and rendering, and the FPU accelerates color-conversion math. With 388 balls in a 27 x 27 mm PBGA, the footprint consolidates board area versus multi-chip CPU-plus-MAC solutions. Existing imaging OEMs should verify drop-in alternatives in the MCF547x family as this grade approaches end-of-life.
推荐
Test and Measurement Instrument Control
In instruments such as protocol analyzers, network test sets, and industrial data loggers, the MCF5474VR266 serves as the system controller: the 266 MHz MMU-equipped core runs the user interface and instrument firmware (often embedded Linux), PCI hosts measurement or capture hardware, dual Ethernet MACs provide control plus dedicated data ports, and the FPU accelerates calibration and DSP-adjacent math. The DMA-driven serial peripherals stream sampled data to external SDRAM without core intervention, protecting real-time capture performance. The ROMless architecture lets instrument OEMs size firmware flash per model tier from one PCB. Because the part is NRND, new instrument platforms should target the pin-compatible MCF548x family instead, while service and legacy-product lines can draw from remaining authorized stock.
推荐
Medical Networked Monitoring Equipment
Networked medical monitors and lab instrumentation use the MCF5474VR266 where dependable connectivity and memory protection are mandatory: the MMU isolates measurement firmware from networking stacks, supporting reliability requirements in multi-tenant systems, while dual Ethernet MACs enable physical separation of clinical network segments. The 266 MHz V4e core provides ample margin for protocol processing and data export, and the hardware encryption accelerator supports secure transmission requirements in patient-data telemetry. PCI accepts acquisition daughter boards, and the FPU accelerates filter and trend algorithms. Design teams in this regulated space should note the NRND status and qualify the pin-compatible MCF5475VR266 (same speed, same package) as a continuity source, since requalification cost is minimal for an identical-footprint, same-family swap.
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推荐产品汇总
工程参考数据： MCF5474VR266 ——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 | MCF5475VR266 | MCF5471VR200 | MCF5475VR200 | MCF5483CVR166 |
|---|---|---|---|---|---|
| Package | 388-PBGA (27x27 mm) | 388-PBGA - same | 388-PBGA - same | 388-PBGA - same | 388-PBGA - same (pin-compatible family) |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Clock | 266 MHz | 266 MHz | 200 MHz | 200 MHz | 166 MHz |
| Core Architecture | ColdFire V4e with MMU + FPU | ColdFire V4e, MMU + FPU | ColdFire V4e, MMU + FPU | ColdFire V4e, MMU + FPU | ColdFire V4e, MMU + FPU |
| Program Memory | ROMless (external) | ROMless (external) | ROMless (external) | ROMless (external) | ROMless (external) |
| Supply Voltage | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V | 2.5 V / 3.3 V |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
关键差异点
- Highest speed grade in the MCF547x family at 266 MHz （对比 MCF5471VR200)
- MMU plus FPU in a 32-bit ColdFire core （对比 MCF5235CVM150J)
- Integrated hardware encryption accelerator （对比 MCF5475VR200)
设计说明
The MCF5474VR266 requires two supply rails: approximately 2.5V for the ColdFire V4e core and 3.3V for I/O. Verify the exact rail order in the MCF547x family hardware design guide before committing to a power tree, and add bulk plus 0.1uF decoupling at every ball-group via field. Estimated: a 266 MHz V4e drawing on the order of 0.5-1 W total (input values: typical ColdFire V4e dynamic current at 266 MHz plus I/O loading) demands a low-ESR 2.5V regulator with at least 20-30% margin over worst-case core current.
The 27 x 27 mm, 388-ball PBGA typically uses 1.0 mm ball pitch with standard 0.5 mm pad, dog-bone or via-in-pad fanout. Plan at least four signal layers plus two power/ground planes; dedicate a solid ground plane under the BGA for signal return. Route DDR-class external memory (SDRAM on the external bus interface) with matched lengths per the MCF547x hardware specifications, and keep PCI stubs short to preserve signal integrity at the bus clock.
This part is ROMless: it cannot execute without external flash or boot device, so a blank-board power-up will simply hang at the boot strap. Also, because the device is NRND, avoid new designs on this exact MPN - design to the pin-compatible MCF548x family instead, or secure last-time-buy stock. Finally, do not assume MCF5474 and MCF5475 peripheral sets are identical; confirm the peripheral differences in the family reference manual before dropping one in for the other.
合规信息
Compliance status not stated in the provided verified web data. Check the NXP product page's 'Environmental Quality' section for RoHS/REACH declarations.