NXP Semiconductors T4161NXE7PQB

Overview

T4161NXE7PQB from NXP is a multicore communications processor based on the Power Architecture e6500 core, featuring 8 virtual cores (4 physical dual-threaded cores), 4 MB L2 cache, dual 64-bit DDR3L memory controllers supporting up to 1866 MT/s, and integrated Data Path Acceleration Architecture (DPAA) for networking offload in carrier-grade routers and NFV platforms.

For engineers reviewing the T4161NXE7PQB datasheet, T4161NXE7PQB pinout, T4161NXE7PQB application, or T4161NXE7PQB equivalent, key selection criteria include its 24 SerDes lanes, dual FMANs supporting up to 13 × 1 GbE + 2 × 10 GbE MACs, PCIe 3.0 controller count, hardware virtualization support (hypervisor privilege level, PAMUv2), and SEC 5.0 cryptographic acceleration at 40 Gbit/s.

Technical Context

The T4161NXE7PQB implements four clustered e6500 cores (each with 32 KB I/D cache and AltiVec SIMD), sharing 2 MB L2 cache per cluster and backed by 1 MB CoreNet Platform Cache. It uses a coherent CoreNet interconnect fabric delivering 1.6 Tb/s read bandwidth and supports hierarchical QoS scheduling via QMAN 1.1.

Its DPAA subsystem integrates FMAN 1.1 for packet parsing/classification, BMAN 1.1 for buffer management, and accelerators including SEC 5.0 (AES/3DES/Kasumi), PME 2.0 (10 Gbit/s RegEx), and DCE 1.0 (20 Gbit/s compression), all accessible through virtualized I/O paths with PAMUv2 enforcement.

Key Specifications

Pinout & Package

Package: FC-BGA-1932 (35 mm × 35 mm, 1.0 mm pitch). Pinout information is not publicly documented for T4161NXE7PQB in available NXP reference materials or authorized distributor listings; official pin configuration requires NXP's secure design portal access and signed NDA.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar multicore communications processor applications.

Compared with T4240NXE7PQB and LX2160A, the T4161NXE7PQB balances mid-tier performance (8 virtual threads, 2×10GbE), mature Power Architecture tooling, and DPAA-based acceleration - making it optimal for cost-sensitive metro edge and enterprise gateway deployments where full T4240 capability is unnecessary and Arm migration is not desired.

Availability

T4161NXE7PQB is available at Aetrix Electronics and suitable for carrier-grade metro routers, NFV infrastructure platforms, and enterprise secure gateways requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial and telecom applications.

Supply support for T4161NXE7PQB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and communications markets.

The T4161NXE7PQB belongs to NXP's QorIQ T series - a family of multicore Power Architecture processors designed specifically for high-performance, power-efficient control-and-data-plane processing in service provider networking and mission-critical embedded systems.

FAQ

What is the core architecture used in the T4161NXE7PQB?

The T4161NXE7PQB uses four dual-threaded Power Architecture e6500 cores, each implementing a 64-bit v2.06-compliant instruction set, 7-stage pipeline, and AltiVec SIMD engine. These cores are grouped into two clusters sharing 2 MB L2 cache each, delivering 8 virtual threads at up to 1.8 GHz. This architecture is confirmed in NXP's T4240/T4160 feature summary and block diagrams.

Does the T4161NXE7PQB support hardware virtualization?

Yes, the T4161NXE7PQB supports hardware-assisted virtualization via hypervisor privilege level, logical-to-real address translation offload, PAMUv2 IOMMU, vMPIC, and vDMA. These features are explicitly documented in the QorIQ T4 family virtualization section and validated in NXP's KVM and commercial hypervisor support documentation.

What networking accelerators are integrated into the T4161NXE7PQB?

The T4161NXE7PQB integrates DPAA accelerators including FMAN 1.1 (packet parsing/classification), QMAN 1.1 (queue management), BMAN 1.1 (buffer management), SEC 5.0 (40 Gbit/s crypto), PME 2.0 (10 Gbit/s RegEx), and DCE 1.0 (20 Gbit/s compression). All are confirmed in the "DPAA HARDWARE ACCELERATORS" section of the official NXP T4240/T4160 datasheet.

How many Ethernet MACs does the T4161NXE7PQB support?

The T4161NXE7PQB supports up to 13 × 1 GbE and 2 × 10 GbE MACs via dual Frame Managers. This configuration is specified in the "FEATURES OF DISTINCTION" table and reinforced in the "SYSTEM PERIPHERALS AND NETWORKING" section of NXP's T4240/T4160 documentation.

Is the T4161NXE7PQB pin-compatible with other QorIQ T4 family processors?

No - while the T4161NXE7PQB shares the same FC-BGA-1932 package footprint as the T4080 and T4160 variants, it is not pin-compatible with the T4240 (FC-BGA-2368). NXP's documentation states "3x performance scaling within a pin-compatible package" only applies to the T4080/T4160/T4240 trio, but T4161NXE7PQB is a distinct variant with different SerDes lane mapping and peripheral enablement.