NXP Semiconductors T2081NSE8MQLB

Overview

T2081NSE8MQLB from NXP is a 28 nm QorIQ communications processor featuring four dual-threaded 64-bit e6500 Power Architecture® cores, 2 MB shared L2 cache, and integrated Data Path Acceleration Architecture (DPAA) for networking workloads. It operates up to 1.8 GHz, supports DDR3/3L memory at 2133 MT/s, and delivers up to 224 hardware-managed queues for packet scheduling in control- and data-plane applications such as enterprise switches and LTE base station control cards.

For engineers reviewing the T2081NSE8MQLB datasheet, T2081NSE8MQLB pinout, T2081NSE8MQLB application, or T2081NSE8MQLB equivalent, key selection criteria include SerDes lane count (8 lanes), PCIe Gen3/Gen2 configuration (1× Gen3 + 3× Gen2), Ethernet MAC support (up to 2× 10 Gb/s XFI + 7× 1 Gb/s), virtualization readiness, and pin compatibility with T1042 for board reuse in scalable product families.

Technical Context

The T2081NSE8MQLB implements a coherent CoreNet interconnect fabric with 512 KB platform cache and prefetch engine, enabling low-latency communication among four e6500 cores, accelerators, and I/O subsystems. Its DPAA infrastructure includes FMAN for packet parsing/classification, QMAN for hierarchical queue management, and BMAN for buffer pool allocation-each supporting deterministic real-time processing of network traffic.

Hardware-assisted virtualization is implemented via hypervisor privilege level, PAMU v2 for I/O memory management, SR-IOV support on PCIe, and vMPIC/vDMA for guest-isolated interrupt and DMA handling. Security features include secure boot, tamper detection, and volatile key storage, though tamper detection is exclusive to T2080 per official documentation.

Key Specifications

Pinout & Package

Package: 23 mm × 23 mm, 780-pin PBGA, 0.8 mm pitch, RoHS-compliant, thermal lid-equipped.

Key Features

Applications

Equivalent & Alternatives

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

Compared with T1042NXE8MQLB, T2081NSE8MQLB provides 29% higher core IPC and integrated DPAA for packet processing; compared with T2080NXE8MQLB, it trades SerDes lanes and SATA for pin compatibility and lower power-making it optimal for incremental upgrades in space-constrained embedded designs.

Availability

T2081NSE8MQLB is available at Aetrix Electronics and suitable for enterprise switching, mobile backhaul infrastructure, industrial SBCs, and ruggedized defense routers requiring stable component supply across extended product lifecycles.

Supply support for T2081NSE8MQLB 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 T2081NSE8MQLB belongs to NXP's QorIQ T-Series communications processors, designed specifically for mid-range control-and-data-plane convergence in networking equipment where performance-per-watt, virtualization readiness, and board-level scalability are critical.

FAQ

What is the maximum operating frequency of the T2081NSE8MQLB?

The T2081NSE8MQLB operates at a maximum frequency of 1.8 GHz across all four dual-threaded e6500 cores. This speed is guaranteed under specified thermal and voltage conditions per NXP's T2081RM Rev. 4, and enables 6.0 DMIPS/MHz per core for deterministic real-time processing in networking applications. The T2081NSE8MQLB achieves this while maintaining a seven-stage pipeline for low branch misprediction penalty.

Does the T2081NSE8MQLB support hardware virtualization?

Yes, the T2081NSE8MQLB supports comprehensive hardware-assisted virtualization including hypervisor privilege level, PAMU v2 for I/O memory management, vMPIC for virtualized interrupt handling, and vDMA for user-level direct memory access. These features enable concurrent Linux and RTOS partitions with strict isolation-critical for T2081NSE8MQLB deployments in secure, mixed-criticality systems like defense routers and industrial SBCs.

Is the T2081NSE8MQLB pin-compatible with any other NXP processors?

Yes, the T2081NSE8MQLB is explicitly pin-compatible with the quad-core T1042 processor, as confirmed in NXP document T2081FS Rev. 2. This allows customers to reuse existing PCB layouts and mechanical designs when upgrading from T1042-based platforms to higher-performance T2081NSE8MQLB implementations without requiring board respin or connector changes.

What memory technologies does the T2081NSE8MQLB support?

The T2081NSE8MQLB integrates a 64-bit DDR3/3L SDRAM memory controller supporting data rates up to 2133 MT/s with full 72-bit ECC protection. It does not support LPDDR3, DDR4, or GDDR. The controller includes on-die termination, dynamic calibration, and interleaving modes-features essential for stable, high-bandwidth memory access in T2081NSE8MQLB-based networking and control applications.

What differentiates the T2081NSE8MQLB from the T2080NXE8MQLB?

The T2081NSE8MQLB differs from the T2080NXE8MQLB in SerDes count (8 vs. 16 lanes), PCIe configuration (1× Gen3 + 3× Gen2 vs. 2× Gen3 + 2× Gen2), absence of SATA and SRIO interfaces, smaller 780-pin package (vs. 896-pin), and omission of tamper detection circuitry. These reductions enable T2081NSE8MQLB to deliver T2080-class core and DPAA performance in a thermally and spatially constrained form factor optimized for board reuse.