NXP Semiconductors T2081NSN8MQLB

Overview

T2081NSN8MQLB from NXP is a 28 nm QorIQ communications processor featuring four dual-threaded 64-bit e6500 Power Architecture® cores running at up to 1.8 GHz, 2 MB shared L2 cache, and integrated Data Path Acceleration Architecture (DPAA) for packet parsing, classification, and crypto acceleration. It delivers up to 7.2 GHz aggregate core performance in a 23 × 23 mm, 780-pin BGA package and serves as a pin-compatible upgrade path from the T1042 for mid-range control and mixed-plane networking applications.

For engineers reviewing the T2081NSN8MQLB datasheet, T2081NSN8MQLB pinout, T2081NSN8MQLB application, or T2081NSN8MQLB 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 DDR3/3L memory controller bandwidth (64-bit, up to 2133 MT/s).

Technical Context

The T2081NSN8MQLB implements a hierarchical CoreNet interconnect fabric with coherent and non-coherent transaction support, prioritization, and bandwidth allocation across endpoints. Its DPAA includes FMAN for header parsing and classification at up to 24 Gb/s, QMAN for multi-level queue scheduling across 224 queues, and BMAN for hardware buffer management across 64 pools.

Hardware-assisted virtualization is enabled via hypervisor privilege level, logical-to-real address translation, PAMU v2 I/O MMU with paging, and DPAA-level accelerator and MAC virtualization. The device supports hybrid 32/64-bit mode, state-retention power gating, and secure boot - though tamper detection is exclusive to the T2080.

Key Specifications

Pinout & Package

Package: 23 mm × 23 mm Fine-Pitch Column Grid Array (FCCSP) with 780 I/O balls, 0.8 mm pitch, RoHS-compliant, lead-free, and thermally enhanced for industrial temperature operation (–40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with T2081NSN8MQLB, the T2080NSN8MQLB adds SerDes bandwidth, PCIe lanes, and I/O peripherals for higher-tier systems, while the T1042NXN8MQB offers lower power and cost but omits DPAA, virtualization, and crypto acceleration-making T2081NSN8MQLB the optimal balance for mid-range secure networking.

Availability

T2081NSN8MQLB is available at Aetrix Electronics and suitable for enterprise switching, wireless backhaul, industrial SBC, and secure router applications requiring stable component supply, long-term industrial temperature support (–40°C to +105°C), and NXP's extended product lifecycle commitment.

Supply support for T2081NSN8MQLB 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 T2081NSN8MQLB belongs to NXP's QorIQ T-Series communications processors, designed specifically for mid-range control and mixed data/control plane applications in networking infrastructure where performance-per-watt, virtualization, and hardware-accelerated packet processing are critical.

FAQ

What is the maximum operating frequency of the T2081NSN8MQLB?

The T2081NSN8MQLB operates at a maximum frequency of 1.8 GHz across all four dual-threaded e6500 cores. This frequency is guaranteed under industrial temperature conditions (–40°C to +105°C) with appropriate thermal design and voltage regulation. Each core delivers 6.0 DMIPS/MHz, resulting in up to 43,200 DMIPS total performance. The T2081NSN8MQLB achieves this speed while maintaining a short seven-stage pipeline to minimize branch misprediction penalties in control plane code.

Does the T2081NSN8MQLB support hardware virtualization?

Yes, the T2081NSN8MQLB supports comprehensive hardware-assisted virtualization including a dedicated hypervisor privilege level, logical-to-real address translation, PAMU v2 I/O MMU with paging, vMPIC for virtualized interrupt handling, and DPAA-level virtualization of Ethernet MACs and accelerators. These features enable concurrent execution of isolated control and data plane environments using KVM or NXP's hypervisor. Unlike the T2080, the T2081NSN8MQLB does not include tamper detection, but retains full virtualization capability.

What memory types and speeds does the T2081NSN8MQLB support?

The T2081NSN8MQLB integrates a 64-bit DDR3/3L SDRAM memory controller supporting data rates up to 2133 MT/s with full 72-bit ECC protection. It supports both DDR3 (1.5 V) and DDR3L (1.35 V) modules, enabling flexible power/performance trade-offs. The controller implements prefetch, bank interleaving, and adaptive refresh to maximize bandwidth efficiency. No LPDDR3 or DDR4 support is provided-designs must use JEDEC-compliant DDR3/3L components rated for industrial temperature operation.

Is the T2081NSN8MQLB pin-compatible with any other NXP processors?

Yes, the T2081NSN8MQLB is explicitly pin-compatible with the quad-core T1042 processor, enabling direct board-level replacement and reuse in existing designs. This compatibility covers all signal balls-including SerDes, PCIe, Ethernet, and peripheral interfaces-but excludes power and ground ball mapping differences that require minor layout review. The T2081NSN8MQLB's 780-ball FCCSP package shares identical mechanical dimensions and pitch (0.8 mm) with the T1042, facilitating cost-effective performance upgrades without full PCB redesign.

What high-speed serial interfaces are available on the T2081NSN8MQLB?

The T2081NSN8MQLB provides eight SerDes lanes configurable for multiple protocols: up to two 10 Gb/s XFI interfaces, seven 1 Gb/s SGMII links, one PCIe Gen3 + three PCIe Gen2 controllers, and optional SATA or Aurora. It does not support SRIO or dual SATA like the T2080. All SerDes lanes operate up to 10 GHz and support lane reversal, polarity inversion, and spread-spectrum clocking. Configuration is performed via RCW (Reset Configuration Word) fuses and software initialization in the boot ROM.