NXP Semiconductors MC8640DTVJ1067NE

Overview

MC8640DTVJ1067NE from Freescale is a dual-core Power Architecture® e600-based processor with two 1250 MHz cores, 1 MB ECC-protected L2 cache per core, integrated DDR/DDR2 memory controllers, and on-chip RapidIO®, PCI Express®, and four Gigabit Ethernet interfaces. It serves as a system-on-chip control and data plane processor in telecom line cards and aerospace computing systems.

For engineers reviewing the MC8640DTVJ1067NE datasheet, MC8640DTVJ1067NE pinout, MC8640DTVJ1067NE application, or MC8640DTVJ1067NE equivalent, key selection considerations include SMP/AMP mode support, integrated MPX bus bandwidth (up to 500 MHz), AltiVec® vector acceleration, dual 64-bit memory controller latency behavior, and thermal design in HCTE ceramic packaging.

Technical Context

The MC8640DTVJ1067NE implements two independent e600 cores with separate 32 KB I/D caches (parity-protected) and configurable 1 MB L2 caches (ECC optional), enabling symmetric or asymmetric multiprocessing. Its integrated MPX coherency module ensures cache coherency across cores without external logic.

Peripherals derive from the PowerQUICC family and include dual 64-bit DDR/DDR2 controllers (500 MHz data rate), four 10/100/1000 Ethernet MACs with RGMII/TBI support, one or two PCI Express® links (configurable root/endpoint), and a 1x/4x RapidIO® interface operating at 1.25–3.125 Gbaud/lane.

Key Specifications

Pinout & Package

MC8640DTVJ1067NE uses a 1023-pin high-thermal coefficient of expansion (HCTE) ceramic BGA package (33 mm × 33 mm), optimized for conduction-cooled telecom and defense applications requiring mechanical and thermal stability under wide temperature cycling.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core Power Architecture® embedded processor applications.

Compared with MPC8641D and P2020, MC8640DTVJ1067NE uniquely balances dual-core SMP, AltiVec® acceleration, and mature DDR/DDR2-533 integration-making it the preferred choice for field-deployed telecom and defense systems requiring long-term availability and qualification continuity.

Availability

MC8640DTVJ1067NE is available at Aetrix Electronics and suitable for telecom line cards, aerospace avionics modules, and industrial storage controllers requiring stable component supply, long lifecycle support, and qualified ceramic-packaged reliability.

Supply support for MC8640DTVJ1067NE 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

Freescale Semiconductor (now part of NXP Semiconductors) was a leading designer of Power Architecture®-based embedded processors, known for high-reliability SoCs targeting networking, automotive, and industrial markets.

The MPC8640D product line was engineered to consolidate control and data plane functionality into a single chip for carrier-grade infrastructure, reducing board complexity and improving time-to-market for telecom and defense system integrators.

FAQ

What is the maximum operating frequency of the MC8640DTVJ1067NE?

The MC8640DTVJ1067NE operates at up to 1250 MHz per e600 core. This frequency is validated under specified thermal and voltage conditions per the MPC8640DIDCPFS datasheet Rev 1. The device also supports a 1000 MHz configuration for lower-power or thermally constrained deployments. Frequency scaling is managed via PLL configuration registers and requires proper VDD_IO and VDD_CORE supply sequencing.

Does the MC8640DTVJ1067NE support ECC on both DDR and DDR2 memory interfaces?

Yes, the MC8640DTVJ1067NE supports full ECC (single-bit correction, double-bit detection) on both DDR and DDR2 memory channels. This is implemented in the integrated dual memory controllers and applies to all supported data rates up to DDR-400 and DDR2-533. ECC status is monitored via dedicated memory controller error reporting registers accessible through the MPIC interrupt system.

Can the MC8640DTVJ1067NE operate in asymmetric multiprocessing (AMP) mode with two different real-time operating systems?

Yes, the MC8640DTVJ1067NE supports true AMP mode where each e600 core runs an independent OS instance-such as VxWorks on Core 0 and Green Hills INTEGRITY on Core 1-with isolated memory maps and interrupt steering. The MPIC allows per-core interrupt masking and inter-core messaging via four dedicated mailbox interrupts, enabling certified separation kernels in safety-critical applications.

What is the function of the integrated MPX bus in the MC8640DTVJ1067NE?

The integrated MPX bus in the MC8640DTVJ1067NE is a 64-bit coherent interconnect linking the two e600 cores, L2 caches, memory controllers, and I/O subsystems. Running up to 500 MHz, it replaces external parallel buses-eliminating PCB layout challenges, signal integrity risks, and timing skew. Its coherency protocol ensures cache consistency without external snooping logic, directly enabling SMP operation.

Is the MC8640DTVJ1067NE pin-compatible with other MPC8640D variants such as MC8640DVJ1067NE?

No, the MC8640DTVJ1067NE is not pin-compatible with MC8640DVJ1067NE. While both share the same 1023-pin HCTE ceramic package footprint, the "T" suffix denotes a specific thermal and screening variant with distinct power delivery requirements, voltage regulator timing, and qualification testing (e.g., extended temperature burn-in). Board designs must verify power rail sequencing, decoupling, and thermal pad layout against the exact MC8640DTVJ1067NE datasheet revision.