NXP Semiconductors T4081NSE7NQB

Overview

T4081NSE7NQB from NXP Semiconductors is a quad-core, dual-threaded Power Architecture e6500-based communications processor fabricated in 28 nm process technology, delivering 1.8 GHz core frequency, 2 MB L2 cache per cluster, dual 64-bit DDR3L memory controllers (1866 MT/s), and integrated Data Path Acceleration Architecture (DPAA) with FMAN, QMAN, BMAN, SEC 5.0, PME 2.0, and DCE 1.0 - deployed in enterprise routers and network function virtualization (NFV) platforms.

For engineers reviewing the T4081NSE7NQB datasheet, T4081NSE7NQB pinout, T4081NSE7NQB application, or T4081NSE7NQB equivalent, key selection criteria include its 4 physical / 8 virtual cores, 24 SerDes lanes supporting PCIe 3.0/SGMII/XAUI, dual 10 GbE MACs, hardware-assisted virtualization (hypervisor privilege level + PAMUv2), and Trust Architecture 2.0 security features for secure boot and tamper detection.

Technical Context

The T4081NSE7NQB implements four dual-threaded e6500 cores clustered with shared 2 MB L2 cache and AltiVec SIMD engines, operating up to 1.8 GHz with 7 DMIPS/MHz per core and state-retention power gating. It integrates CoreNet coherency fabric with 1 MB platform cache and supports hierarchical interconnect prioritization across 1.6 Tb/s coherent read bandwidth.

Its DPAA infrastructure includes two Frame Managers (FMAN 1.1) supporting up to 13 × 1 GbE and 2 × 10 GbE MACs, QMAN 1.1 for multilevel packet scheduling, BMAN 1.1 for buffer pool management, and accelerators for cryptography (SEC 5.0, 40 Gbit/s), pattern matching (PME 2.0, 10 Gbit/s), and compression (DCE 1.0, 20 Gbit/s aggregate).

Key Specifications

Pinout & Package

Package: 27×27 mm, 1296-pin FC-BGA (Fine-Pitch Ball Grid Array), RoHS-compliant, thermal lid-equipped.

Key Features

Applications

Equivalent & Alternatives

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

Compared with T4081NSE7NQB, the T4080NSE7NQB offers identical functionality but lacks formal industrial qualification documentation, while the T4160NSE7NQB increases core count and memory bandwidth at the cost of power and PCB redesign - making T4081NSE7NQB optimal for thermally constrained, cost-sensitive edge routing and SD-WAN deployments.

Availability

T4081NSE7NQB is available at Aetrix Electronics and suitable for enterprise routers, NFV platforms, SD-WAN edge appliances, and ruggedized network appliances requiring stable component supply across multi-year production cycles.

Supply support for T4081NSE7NQB 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 T4 family - including T4081NSE7NQB - was designed as a high-performance, power-efficient multicore communications SoC targeting control-and-data-plane convergence in networking infrastructure, with emphasis on hardware acceleration, virtualization readiness, and security certification.

FAQ

What is the maximum operating frequency of the T4081NSE7NQB?

The T4081NSE7NQB operates at a maximum core frequency of 1.8 GHz across all four e6500 cores. This frequency is guaranteed under specified thermal and voltage conditions (VDD_CORE = 1.0 V ±3%, junction temperature ≤ 105°C). The dual-threaded architecture sustains this frequency per thread without throttling during sustained data-path workloads, as validated in NXP's T4240/T4160/T4080FS Rev 7 characterization report.

Does the T4081NSE7NQB support DDR4 memory?

No, the T4081NSE7NQB supports only DDR3 and DDR3L memory up to 1866 MT/s via two 64-bit controllers. It does not include DDR4 PHY or controller logic. DDR4 compatibility was introduced in later QorIQ LS series processors. Designers must use DDR3L-1866 components with ECC and interleaving enabled to meet the memory bandwidth and reliability requirements of the T4081NSE7NQB.

How many PCIe controllers does the T4081NSE7NQB integrate?

The T4081NSE7NQB integrates three PCI Express controllers compliant with PCIe specification 2.0 and 3.0. Each controller supports configurable lane widths (x1, x2, x4, x8), endpoint SR-IOV with up to 2 PFs and 128 VFs, and root complex operation. These controllers connect directly to the SerDes lanes and are managed through the CoreNet fabric, enabling high-speed expansion for NICs, SSDs, or FPGA accelerators.

Is the T4081NSE7NQB pin-compatible with the T4240 or T4160?

No, the T4081NSE7NQB is not pin-compatible with the T4240 or T4160. While all three belong to the QorIQ T4 family and share architectural similarities, the T4081NSE7NQB uses a 1296-ball FC-BGA package, whereas the T4240 uses a 1525-ball package and the T4160 uses a 1296-ball package with different ball mapping for SerDes, DDR, and PCIe signals. Only T4080/T4081 variants are pin-compatible.

What security features are implemented in the T4081NSE7NQB?

The T4081NSE7NQB implements QorIQ Trust Architecture 2.0, including secure boot with immutable ROM-based bootloader, hardware-enforced tamper detection (voltage, temperature, frequency monitors), volatile key storage, alternate image revocation, and secure debug disable. Its Security Engine (SEC 5.0) provides 40 Gbit/s symmetric crypto (AES, 3DES, Kasumi) and 20 Gbit/s asymmetric acceleration (RSA, ECC), all accessible via dedicated DMA channels without CPU intervention.