NXP Semiconductors T2081NSN8T1B

Overview

T2081NSN8T1B from NXP is a 28 nm QorIQ communications processor based on four dual-threaded 64-bit e6500 Power Architecture® cores, operating up to 1.8 GHz with 2 MB shared L2 cache, integrated DPAA for packet processing, and hardware-assisted virtualization - deployed in enterprise switches, wireless infrastructure control cards, and industrial SBCs.

For engineers reviewing the T2081NSN8T1B datasheet, T2081NSN8T1B pinout, T2081NSN8T1B application, or T2081NSN8T1B equivalent, key selection factors include its 780-pin 23×23 mm package, 1× PCIe Gen3 + 3× PCIe Gen2, 7× 1 Gb/s MACs (no SATA/SRIO/Aurora), and pin compatibility with T1042 for board reuse in scalable product families.

Technical Context

The T2081NSN8T1B implements a coherent CoreNet interconnect fabric with 512 KB platform cache and prefetch engine, supporting DDR3/3L memory up to 2133 MT/s with 72-bit ECC width. Its DPAA subsystem includes FMAN for packet parsing/classification at up to 24 Gb/s, QMAN for multi-level queue scheduling across 224 queues, and BMAN for buffer pool management across 64 pools.

Hardware virtualization support includes hypervisor privilege level, logical-to-real address translation, PAMU v2 I/O MMU with paging, vMPIC, and vDMA - enabling safe co-location of control and data plane workloads. Security features include secure boot and tamper detection is omitted versus T2080 per official documentation.

Key Specifications

Pinout & Package

23 mm × 23 mm, 780-ball fine-pitch BGA (0.8 mm pitch), RoHS-compliant, lead-free, thermal-enhanced package optimized for mid-range communications platforms with controlled impedance routing requirements.

Key Features

Applications

Equivalent & Alternatives

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

Compared with T1042NXE8MMB, T2081NSN8T1B delivers 2.3× higher DMIPS/core and integrated DPAA for line-rate packet steering; versus T2080NSN8T1B, it trades SerDes lanes and peripherals for smaller footprint and T1042 pin compatibility - ideal for incremental performance upgrades without PCB rework.

Availability

T2081NSN8T1B is available at Aetrix Electronics and suitable for enterprise switching, wireless infrastructure control, and industrial SBC applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized channels.

Supply support for T2081NSN8T1B 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 QorIQ T series - including T2081NSN8T1B - was designed as a mid-range communications processor family delivering scalable performance, hardware virtualization, and DPAA acceleration for control-plane-dominant or mixed-control/data-plane systems.

FAQ

What is the maximum operating frequency of the T2081NSN8T1B?

The T2081NSN8T1B operates at a maximum frequency of 1.8 GHz across all four dual-threaded e6500 cores. This frequency is guaranteed under specified thermal and voltage conditions per the official NXP T2080FS Rev 2 datasheet. The e6500 core achieves 6.0 DMIPS/MHz per thread, resulting in sustained compute throughput suitable for real-time control plane tasks. Frequency scaling is supported via dynamic voltage and frequency scaling (DVFS) modes managed by the integrated power management unit.

Does the T2081NSN8T1B support hardware virtualization?

Yes, the T2081NSN8T1B supports comprehensive hardware-assisted virtualization including a dedicated hypervisor privilege level, logical-to-real address translation offload, PAMU v2 I/O MMU with paging, vMPIC, and vDMA. These features enable secure partitioning of control and data plane workloads within isolated guest environments. Unlike the T2080, the T2081NSN8T1B omits tamper detection but retains full KVM and Linux container support per NXP's documented virtualization stack.

What Ethernet interfaces does the T2081NSN8T1B provide?

The T2081NSN8T1B integrates seven 1 Gb/s SGMII MACs and two 10 Gb/s XFI/KR MACs - with no support for XAUI, HiGig, 2.5 Gb/s SGMII, or RGMII. All MACs are managed through the integrated Frame Manager (FMAN) and Queue Manager (QMAN) within DPAA. The absence of SATA, SRIO, and Aurora interfaces distinguishes it from the T2080 and aligns it with compact control-plane-focused deployments where high-density 1/10 GbE is prioritized over storage or chip-to-chip interconnect.

Is the T2081NSN8T1B pin-compatible with any other NXP processors?

Yes, the T2081NSN8T1B is explicitly pin-compatible with the quad-core T1042 processor, as confirmed in the official NXP T2080FS Rev 2 documentation. This allows customers to reuse existing PCB layouts and migrate from T1042-based designs to higher-performance T2081NSN8T1B implementations without board redesign. The 780-pin, 23×23 mm package maintains identical ball map, power delivery, and signal routing constraints - enabling drop-in replacement in validated T1042 footprints.

What memory technologies does the T2081NSN8T1B support?

The T2081NSN8T1B supports 64-bit DDR3 and DDR3L SDRAM up to 2133 MT/s with full 72-bit bus width including ECC. It does not support LPDDR3, DDR4, or GDDR. Memory initialization and training are handled by the integrated memory controller with configurable timing parameters. The controller supports interleaving, rank mirroring, and partial array self-refresh - critical for industrial applications requiring high reliability and extended temperature operation.