NXP Semiconductors T4161NSN7NQB

Overview

T4161NSN7NQB from NXP Semiconductors is a 16-virtual-core, dual-threaded Power Architecture e6500-based multicore communications processor fabricated on 28 nm process technology, delivering up to 1.8 GHz core frequency, 4 MB L2 cache, and dual 64-bit DDR3L memory controllers supporting 1866 MT/s - deployed in enterprise routers, NFV infrastructure, and ruggedized network appliances.

For engineers reviewing the T4161NSN7NQB datasheet, T4161NSN7NQB pinout, T4161NSN7NQB application, or T4161NSN7NQB equivalent, key selection criteria include virtual core count, DPAA hardware acceleration throughput (FMAN/BMAN/QMAN), SerDes lane count (24 lanes), PCIe 3.0 controller count (3), and hardware virtualization support including hypervisor privilege level and PAMUv2 I/O MMU.

Technical Context

The T4161NSN7NQB implements eight physical e6500 cores arranged in two clusters of four, each sharing 2 MB L2 cache and supporting dual-threaded execution at up to 1.8 GHz with AltiVec SIMD for DSP-intensive workloads. It integrates CoreNet coherency fabric with 1 MB platform cache and supports hierarchical interconnect prioritization across accelerators and peripherals.

Its Data Path Acceleration Architecture (DPAA) includes dual Frame Managers (FMAN 1.1), Queue Manager (QMAN 1.1), Buffer Manager (BMAN 1.1), Security Engine SEC 5.0 (40 Gbit/s crypto), Pattern Matching Engine PME 2.0 (10 Gbit/s), and Data Compression Engine DCE 1.0 (20 Gbit/s aggregate), all accessible via coherent fabric and virtualized through PAMUv2 and vMPIC.

Key Specifications

Pinout & Package

T4161NSN7NQB is housed in a 27 mm × 27 mm, 1296-ball FC-BGA package (RoHS-compliant, Pb-free, 1.0 mm ball pitch). Pinout is defined by NXP's T4160/T4240 family mechanical specification and requires reference to the official T4160FS datasheet for full terminal assignment.

Key Features

Applications

Equivalent & Alternatives

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

Compared with T4240NSN7NQB and T4080NSN7NQB, the T4161NSN7NQB provides optimal balance of virtual core density (16), SerDes flexibility (24 lanes), and power efficiency (28 nm) for mid-tier NFV and enterprise routing - avoiding over-provisioning while retaining full DPAA and virtualization feature parity.

Availability

T4161NSN7NQB is available at Aetrix Electronics and suitable for enterprise routers, NFV infrastructure, and ruggedized network appliances requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized channels.

Supply support for T4161NSN7NQB 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 T4161NSN7NQB belongs to NXP's QorIQ T series, designed specifically for high-performance, power-efficient control-and-data-plane convergence in carrier-grade and enterprise networking equipment.

FAQ

What is the maximum operating frequency of the T4161NSN7NQB?

The T4161NSN7NQB operates at up to 1.8 GHz per e6500 core. This frequency is achievable under specified thermal and voltage conditions outlined in the official NXP T4160FS datasheet. The dual-threaded architecture sustains this clock rate across all eight physical cores simultaneously, enabling deterministic real-time performance in time-sensitive networking applications. T4161NSN7NQB's frequency scaling is managed via integrated power management unit with state retention power gating.

Does the T4161NSN7NQB support DDR4 memory?

No, the T4161NSN7NQB supports only DDR3 and DDR3L memory up to 1866 MT/s across two 64-bit controllers. It does not include DDR4 PHY or controller logic. DDR3L support enables 1.35 V operation for reduced power consumption in thermally constrained systems. System designers must use JEDEC-compliant DDR3L SDRAM components with appropriate timing parameters validated for T4161NSN7NQB.

How many PCIe controllers does the T4161NSN7NQB integrate?

The T4161NSN7NQB integrates three PCIe 3.0 controllers, each supporting configurable lane counts (x1/x2/x4/x8) and endpoint SR-IOV with 2 physical functions and up to 128 virtual functions. These controllers are fully compliant with PCI Express Base Specification Revision 3.0 and support advanced features including ACS, ARI, and ATS. All three controllers are accessible via the CoreNet fabric and can operate concurrently without resource contention.

Is the T4161NSN7NQB pin-compatible with other QorIQ T4 family processors?

Yes, the T4161NSN7NQB shares the same 1296-ball FC-BGA package footprint and pinout as the T4080NSN7NQB and T4240NSN7NQB, enabling hardware reuse across the T4 family. This pin compatibility allows migration between 8-, 16-, and 24-virtual-core variants without PCB redesign. However, thermal and power delivery requirements differ, so board layout must accommodate the specific variant's voltage regulation and cooling needs.

What security features are implemented in the T4161NSN7NQB?

The T4161NSN7NQB implements QorIQ Trust Architecture 2.0, including secure boot with hash-based authentication, tamper-detection circuitry, volatile key storage, alternate image revocation, and secure debug disable. Its Security Engine SEC 5.0 delivers 40 Gbit/s symmetric crypto (AES/3DES/Kasumi) and supports public-key acceleration. All security functions are hardware-isolated and enforce strict privilege separation between hypervisor, OS, and application layers - meeting Common Criteria EAL5+ and FIPS 140-2 Level 3 requirements.