NXP Semiconductors MC8641VU1000NE

Overview

MC8641VU1000NE from Freescale Semiconductor is a single-core Power Architecture® e600-based integrated host processor targeting networking, storage, and wireless infrastructure applications. It operates at 1000 MHz core frequency with 1.05 V core supply, integrates 32-Kbyte L1 instruction and data caches plus 1-Mbyte unified L2 cache with ECC, and supports dual 64-bit DDR/DDR2 SDRAM controllers (72-bit with ECC) up to 600 MHz.

For engineers reviewing the MC8641VU1000NE datasheet, MC8641VU1000NE pinout, MC8641VU1000NE application, or MC8641VU1000NE equivalent, this page delivers verified technical context, validated package mapping, confirmed pin-level circuit roles, and two rigorously cross-referenced alternative parts for embedded control and communications system design.

Technical Context

The MC8641VU1000NE implements a superscalar 32-bit PowerPC ISA core with eleven execution units, separate MMUs for instruction and data, and hardware support for multiprocessing. Its memory subsystem includes dual DDR/DDR2 controllers supporting up to 16 Gbytes per channel and cache-line interleaving.

It integrates four enhanced three-speed Ethernet controllers (eTSECs) compliant with IEEE 802.3/802.3u/802.3ab, supporting MII, RGMII, TBI, and RTBI interfaces, plus PCI Express 1.0a (x1/x2/x4/x8) and Serial RapidIO 1.2 (1x/4x, 2.5 Gbaud) high-speed serial interfaces.

Key Specifications

Pinout & Package

MC8641VU1000NE is housed in a 1023-pin Hi-CTE flip-chip ceramic ball grid array (FC-CBGA) package with 35 × 35 mm body size and 1.0 mm ball pitch. Thermal and mechanical specifications align with JEDEC MO-261AC.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8641DZU1000NE, MC8641VU1000NE reduces BOM cost and thermal design complexity for single-core workloads, while QorIQ P1022NSN2MFB trades SRIO and DDR2 flexibility for integrated security acceleration - making MC8641VU1000NE the optimal choice for balanced I/O-rich infrastructure control where dual cores or crypto engines are unnecessary.

Availability

MC8641VU1000NE is available at Aetrix Electronics and suitable for wireless infrastructure, enterprise storage, and industrial gateway applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized channels.

Supply support for MC8641VU1000NE 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 since 2015) designed high-performance Power Architecture processors for mission-critical embedded systems in networking, automotive, and industrial markets.

The MPC8641 product line was engineered as an integrated host processor for communications infrastructure, combining e600 compute performance with multi-standard serial interconnects and memory subsystems optimized for packet-forwarding and control-plane processing.

FAQ

What is the core voltage requirement for MC8641VU1000NE?

The MC8641VU1000NE requires a nominal core supply voltage of 0.95 V or 1.05 V depending on speed grade and thermal conditions. Per Table 2 in the hardware specification, VDD_Core0 must be maintained within ±50 mV tolerance at 0.95 V for the MC8641xxx1000NX variant. This tight regulation ensures stable 1000 MHz operation and prevents timing violations in the e600 pipeline. The MC8641VU1000NE datasheet specifies absolute maximum ratings of –0.3 V to 1.21 V, but functional operation is guaranteed only within the recommended range.

Does MC8641VU1000NE support DDR2 memory?

Yes, MC8641VU1000NE supports DDR2 SDRAM up to 600 MHz (300 MHz clock rate) with 1.8 V I/O supply (D1_GVDD/D2_GVDD). The dual DDR/DDR2 controllers operate in 64-bit mode (72-bit with ECC) and support up to 16 Gbytes per channel. DDR2-specific features include SSTL-18 signaling compliance, programmable drive strength (18 Ω or 36 Ω half-strength), and Dn_MVREF reference voltage set to Dn_GVDD/2 ±1%. These capabilities are confirmed in Sections 6 and 2.1.2 of the MPC8641D Rev. 3 specification.

What high-speed serial interfaces does MC8641VU1000NE integrate?

MC8641VU1000NE integrates PCI Express 1.0a (supporting x1/x2/x4/x8 link widths at 2.5 Gbaud) and Serial RapidIO 1.2 (1x/4x LP-Serial links at 1.25/2.5/3.125 Gbaud). Both interfaces are electrically and protocol-compliant per their respective standards. The device does not include USB, SATA, or PCIe Gen2+ functionality. SRIO supports atomic transactions to memory controllers and message unit compliance, while PCIe implements MSI support and root complex functionality - details are specified in Sections 14 and 15 of the hardware spec.

How many Ethernet controllers are included in MC8641VU1000NE?

MC8641VU1000NE includes four enhanced three-speed Ethernet controllers (eTSECs), each supporting 10/100/1000 Mbps operation and compliant with IEEE 802.3, 802.3u, 802.3ab, and 802.3z. Each eTSEC supports multiple physical layer interfaces including MII, RMII, GMII, RGMII, TBI, and RTBI. Hardware offload features include TCP/IP checksum calculation, VLAN insertion/deletion, and RMON statistics collection - all documented in Section 8 of the MPC8641D specification.

What is the package type and pin count for MC8641VU1000NE?

MC8641VU1000NE uses a 1023-pin Hi-CTE flip-chip ceramic ball grid array (FC-CBGA) package with 35 × 35 mm body size and 1.0 mm ball pitch. This package is mechanically and thermally qualified per JEDEC MO-261AC and supports reflow soldering. Pin assignments, signal groupings, and thermal pad layout are fully defined in Section 16 ("Package") and Section 17 ("Signal Listings") of the MPC8641D Rev. 3 hardware specification.