MC7447AHX1420LB

The MC7447AHX1420LB is a PowerPC G4 microprocessor in a single‑core, 32‑bit implementation running at 1.42 GHz. It combines a high‑performance superscalar core with on‑chip system features and is targeted at networking and computing systems and embedded applications.

Designed by NXP Semiconductors, the device integrates a 512‑Kbyte L2 cache and includes multimedia/SIMD co‑processor capabilities, along with power and thermal management features suitable for consumer‑grade designs operating from 0 °C to 105 °C.

Key Features

• Core and Performance — PowerPC G4 single‑core, 32‑bit processor running at 1.42 GHz, delivering superscalar execution for general‑purpose embedded and computing workloads.
• On‑chip Cache — Integrated 512‑Kbyte L2 cache to reduce external memory bandwidth requirements and improve data locality for sustained performance.
• Floating‑Point and Multimedia — Double‑precision floating‑point unit plus a SIMD multimedia unit to accelerate signal and media processing tasks.
• System Interfaces — Memory storage subsystem supporting the MPX bus protocol and a subset of the 60x bus protocol for main memory and system resource connectivity.
• Power and Thermal Management — Built‑in thermal/power management features and Dynamic Frequency Switching (DFS) to assist system power control and thermal response.
• Debug and Test — JTAG/COP interface support for system debug and in‑circuit test integration.
• Package and Mounting — 360‑FCCBGA (25×25) package, surface‑mount mounting for compact board designs.
• Operating Range and Compliance — Consumer qualification with an operating temperature range of 0 °C to 105 °C; RoHS compliant.

Typical Applications

• Networking and Communications — Suitable for network processing and control tasks where a PowerPC G4 core and L2 cache support packet handling and protocol processing.
• Computing Systems — Applicable in compact computing platforms that require a single‑core 32‑bit processor with floating‑point and multimedia acceleration.
• Embedded Appliances — Fits consumer embedded products that benefit from integrated cache, multimedia SIMD, and thermal/power management.

Unique Advantages

• High single‑core throughput: 1.42 GHz PowerPC G4 core with superscalar architecture for sustained single‑threaded performance.
• On‑chip L2 cache: 512‑Kbyte L2 reduces external memory accesses and improves responsiveness for embedded workloads.
• Floating‑point and SIMD acceleration: Built‑in double‑precision FPU and multimedia unit accelerate numerically intensive and media tasks.
• Integrated system features: MPX bus support, DFS, and thermal/power management simplify system design and control.
• Compact, surface‑mount package: 360‑FCCBGA (25×25) package enables dense PCB layouts for space‑constrained applications.
• Documented by supplier: Supported by manufacturer documentation from NXP Semiconductors and the associated MPC7447/A hardware specifications.

Why Choose MC7447AHX1420LB?

The MC7447AHX1420LB positions itself as a single‑core PowerPC G4 solution that balances compute capability, on‑chip cache, and multimedia acceleration for consumer and embedded networking or computing systems. Its integrated system features and thermal/power management facilities reduce external component count and help simplify board‑level design.

This device is appropriate for designers seeking a documented NXP Semiconductors PowerPC G4 implementation with a defined operating temperature range and a compact BGA footprint for medium‑density embedded platforms.

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