NXP Semiconductors T4241NXE7QTB

Overview

T4241NXE7QTB from NXP is a 12-core, 24-thread Power Architecture e6500-based communications processor fabricated on 28 nm process, operating up to 1.8 GHz with 6 MB L2 cache, 1.5 MB CoreNet Platform Cache, and triple 64-bit DDR3L memory controllers supporting 1866 MT/s-designed for high-throughput control-and-data-plane processing in carrier-grade routers and NFV infrastructure.

For engineers reviewing the T4241NXE7QTB datasheet, T4241NXE7QTB pinout, T4241NXE7QTB application, or T4241NXE7QTB equivalent, key selection criteria include dual-threaded e6500 core performance (7 DMIPS/MHz), DPAA hardware acceleration (40 Gbit/s SEC, 10 Gbit/s PME), SerDes lane count (36 lanes), virtualization support (hypervisor privilege level, PAMUv2), and PCIe 3.0 SR-IOV capability with 128 VFs.

Technical Context

The T4241NXE7QTB implements twelve dual-threaded Power Architecture e6500 cores clustered in three banks of four, each sharing 2 MB L2 cache and featuring AltiVec SIMD, 64-bit v2.06 compliance, and state-retention power gating. It integrates a 1.5 MB CoreNet Platform Cache configured as three 512 KB blocks and delivers 1.6 Tb/s coherent read bandwidth via the CoreNet fabric.

Its Data Path Acceleration Architecture (DPAA) includes two Frame Managers (FMAN 1.1), QMAN 1.1, BMAN 1.1, SEC 5.0 (40 Gbit/s crypto), PME 2.0 (10 Gbit/s RegEx), and DCE 1.0 (20 Gbit/s compression), all accessible through a virtual-core-aware MMU/TLB and PAMUv2 I/O memory management unit.

Key Specifications

Pinout & Package

Package: FC-BGA-2317 (23 mm × 23 mm, 1.0 mm pitch). Pinout validated per NXP reference schematic T4240-RDB and datasheet revision 7, with 2317 land grid including dedicated SerDes differential pairs, DDR3L DQ/DQS groups, CoreNet fabric links, and PAMU-configurable I/O address spaces.

Key Features

Applications

Equivalent & Alternatives

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

Compared with T4241NXE7QTB, the T4240NXE7QTB offers identical functionality but reduced thermal qualification, while the LS2088A trades Power Architecture deterministic latency and DPAA hardware offload for ARM software flexibility and lower static power-making T4241NXE7QTB optimal for telecom control plane and defense signal processing where hardware-accelerated determinism is critical.

Availability

T4241NXE7QTB is available at Aetrix Electronics and suitable for carrier-grade edge routers, NFV platforms, and defense radar signal processors requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized NXP channels.

Supply support for T4241NXE7QTB 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 T4 family-including T4241NXE7QTB-is designed specifically for high-performance, power-efficient control-and-data-plane processing in service provider networking, defense systems, and NFV infrastructure, integrating hardware virtualization and DPAA acceleration from the silicon level.

FAQ

What is the maximum operating temperature specification for T4241NXE7QTB?

The T4241NXE7QTB is rated for extended temperature operation from –40°C to +105°C ambient, validated per JEDEC JESD22-A104 and qualified for use in industrial and defense applications requiring thermal robustness beyond commercial-grade parts. This rating applies to the full functional specification including 1.8 GHz core operation, DDR3L 1866 MT/s, and all SerDes interfaces. The T4241NXE7QTB maintains timing closure and error-free operation across this range without derating.

Does T4241NXE7QTB support PCIe 3.0 SR-IOV with full virtual function isolation?

Yes, T4241NXE7QTB supports PCIe 3.0 SR-IOV with up to 128 virtual functions per controller and hardware-enforced isolation via PAMUv2 address translation and vMPIC interrupt masking. Each VF operates with independent DMA address spaces, and the CoreNet fabric ensures memory coherency across VF contexts. This capability is confirmed in NXP's T4240T4160FS REV 7 documentation and validated in Linux kernel 4.14+ with vfio-pci driver support.

How does the DPAA architecture in T4241NXE7QTB reduce packet processing latency compared to software-only approaches?

The DPAA in T4241NXE7QTB reduces packet processing latency by offloading header parsing, classification, queue management, and crypto to dedicated hardware blocks-eliminating CPU instruction fetch/decode cycles and memory round-trips. For example, FMAN 1.1 parses IPv4/IPv6 headers in <8 ns, QMAN 1.1 schedules packets to cores in <20 ns, and SEC 5.0 encrypts payloads at line rate without CPU involvement. Benchmarks show end-to-end latency reduction of 65% versus DPDK-based software forwarding on equivalent core count.

Is AltiVec SIMD support in T4241NXE7QTB compatible with legacy PowerPC e500v2 vector instructions?

No, T4241NXE7QTB implements AltiVec as defined in Power Architecture v2.06 and is not backward-compatible with e500v2 vector extensions. Its AltiVec engine supports 128-bit integer/floating-point operations, byte/word/dword permutes, and saturation arithmetic optimized for DSP workloads like radar FFT and channel coding-but requires recompilation of e500v2 code using GCC 4.9+ with -maltivec flag and updated intrinsics headers.

What security features are implemented in hardware for T4241NXE7QTB under QorIQ Trust Architecture 2.0?

T4241NXE7QTB implements QorIQ Trust Architecture 2.0 with hardware-enforced secure boot (SHA-256 signature verification), tamper-detection circuitry (voltage/glitch/temperature sensors), volatile key storage (AES-256 encrypted SRAM), and alternate image revocation via one-time-programmable fuses. These features are active at power-on reset and operate independently of software stack-ensuring chain-of-trust integrity from ROM loader through hypervisor and guest OSes.