B4420NSE7QQMD

Microprocessors Overview

The B4420NSE7QQMD is a microprocessor from the NXP QorIQ Qonverge B series. It integrates four cores: two Starcore SC3900FP DSPs operating at 1.2 GHz and two PowerPC e6500 CPUs running at 1.6 GHz. The device utilizes a 64-bit data bus and features an FCBGA-1020 package. Memory architecture includes 32 kB instruction and 32 kB data L1 caches, alongside 2 MB of L2 cache for both instruction and data. It supports I/O voltages of 1V, 1.2V, 1.35V, 1.5V, 1.8V, and 2.5V. The operational temperature range spans from 0°C to +105°C.

Microprocessors Feature Summary

• Heterogeneous multi-core processing combining high-performance PowerPC e6500 CPUs with specialized Starcore DSPs for parallel execution.

Microprocessors Applications

• Network infrastructure equipment requiring high throughput and signal processing capabilities.

Microprocessors Procurement Notes

Verify the specific suffix codes against official NXP documentation to confirm pinout compatibility and feature sets. Ensure that the ordering information matches the exact silicon revision and packaging requirements specified in the current datasheet. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Microprocessors Selection Notes

Select this component when system design demands simultaneous general-purpose computing and dedicated digital signal processing within a single integrated circuit. Evaluate thermal management solutions suitable for the FCBGA-1020 package under maximum load conditions. Confirm that the host board supports the required voltage domains and interface protocols defined in the technical specifications.

Microprocessors Part Context

This processor belongs to the QorIQ Qonverge B family, designed for converged networking applications. It combines traditional CPU performance with DSP efficiency to handle complex protocol stacks and media processing tasks efficiently within network edge and core devices.

Microprocessors Replacement Considerations

Consult NXP official substitution guides for compatible upgrades or alternatives within the QorIQ portfolio. Verify electrical and mechanical compatibility before replacing existing units in production environments.