FWIXP421BB
| Part Description |
Xscale Microprocessor IC - 1 Core, 32-Bit 266MHz 492-BGA (35x35) |
|---|---|
| Quantity | 566 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | IXP420 |
| Manufacturer | Intel |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | Contact Us |
| Datasheet |
Specifications & Environmental
| Co-Processors/DSP | Communications; Network Processor Engine, Math Engine; Multiply-Accumulate | Core Processor | Xscale | Device Package | 492-BGA (35x35) | ||
|---|---|---|---|---|---|---|---|
| ECCN | 3A991A2 | Ethernet | 10/100Mbps (2) | Grade | Commercial | ||
| Graphics Acceleration | No | HTS Code | 8542.31.0001 | Moisture Sensitivity Level | N/A | ||
| Mounting Method | Surface Mount | Mounting Type | Surface Mount | Number of Cores/Bus Width | 1 Core, 32-Bit | ||
| Operating Temperature | 0°C ~ 70°C | Package / Case | 492-BBGA | RAM Controllers | SDRAM | ||
| REACH Compliance | REACH Unknown | RoHS Compliance | RoHS non-compliant | Speed | 266MHz | ||
| Supplier Device Package | 492-BGA (35×35) | USB | USB 1.1 (1) | Voltage – I/O | 3.3V |
Overview of FWIXP421BB – IC MPU 266MHZ 492BGA
The FWIXP421BB is an Intel XScale microprocessor IC featuring a single 32-bit core running at 266 MHz in a 492-ball BGA (35×35) package. It targets embedded systems requiring integrated networking and communications capabilities, combining a mid-range processor frequency with on-chip co-processor support for communications and math acceleration.
Designed for commercial-grade embedded applications, the device integrates memory control and common peripheral interfaces to simplify system design and deliver deterministic performance within a 0 °C to 70 °C operating range.
Key Features
- Core & Performance XScale single-core 32-bit processor clocked at 266 MHz for deterministic embedded compute tasks.
- Co-Processors Integrated co-processor capabilities for communications, network processor engine and math engine functions, including multiply-accumulate support to accelerate signal and network processing workloads.
- Memory & Controllers SDRAM controller on-chip to support external system memory interfacing.
- Interfaces Dual 10/100 Mbps Ethernet ports and one USB 1.1 port provide essential wired connectivity; additional HSS interface support is included.
- Power & IO 3.3 V I/O voltage compatibility for common embedded system signaling.
- Package & Mounting 492-BGA (35×35) supplier device package in a surface-mount form factor for compact board layouts.
- Operating Range & Grade Commercial grade device rated for 0 °C to 70 °C operation.
- Environmental Compliance RoHS compliant.
Typical Applications
- Networking & Communications Equipment — Leverages dual 10/100 Ethernet ports and on-chip network processor engine capabilities for routers, gateways and managed switches.
- Embedded Gateways and Protocol Bridges — XScale core combined with communications co-processors supports protocol handling and data forwarding in embedded gateway designs.
- Commercial Embedded Devices — Suited for commercial-grade embedded products requiring integrated memory control, USB connectivity and deterministic processing within a 0 °C to 70 °C range.
Unique Advantages
- Integrated Networking Interfaces: Dual 10/100 Ethernet and USB 1.1 reduce external component count and simplify board-level connectivity.
- Dedicated Co-Processor Support: On-chip communications and math engine functions accelerate packet processing and compute-intensive tasks, lowering CPU load for application code.
- Memory Interface Ready: Built-in SDRAM controller streamlines memory subsystem design and integration.
- Compact Surface-Mount Package: 492-BGA (35×35) package enables high-density PCB designs while maintaining robust soldered connections.
- Commercial Temperature and RoHS Compliance: Commercial operating range and RoHS compliance make the part suitable for many commercial embedded product lines with environmental regulatory requirements.
- Manufactured by Intel: Backed by Intel’s XScale architecture and manufacturing pedigree.
Why Choose FWIXP421BB?
The FWIXP421BB combines a 266 MHz XScale 32-bit core with targeted co-processor functionality and common connectivity interfaces to deliver a balanced solution for embedded networking and communications designs. Its SDRAM controller, dual Ethernet ports and USB support make it a practical choice where integration and predictable performance matter.
Designed for commercial embedded applications, the FWIXP421BB is well suited to teams building gateways, routers, and other networked devices that need a compact BGA package, 3.3 V I/O compatibility, and RoHS compliance. The Intel XScale architecture and integrated peripherals provide a straightforward platform for scaling embedded system functionality while keeping board-level complexity manageable.
Request a quote or submit a purchase inquiry to get pricing, availability, and lead-time information for the FWIXP421BB.

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