NXP Semiconductors MC8641DVU1333JE

Overview

The MC8641DVU1333JE from Freescale Semiconductor is a single-core Power Architecture® e600-based integrated host processor with 32-bit superscalar execution, 32-Kbyte L1 instruction and data caches, 1-Mbyte unified L2 cache with ECC, dual 64-bit DDR/DDR2 SDRAM controllers (72-bit with ECC), four enhanced three-speed Ethernet (eTSEC) controllers, PCI Express 1.0a x1/x2/x4/x8 interface, Serial RapidIO 1.2 1x/4x interface, and integrated DMA, I²C, DUART, JTAG, and programmable interrupt controller - deployed in carrier-grade wireless infrastructure and high-end networking equipment.

For engineers reviewing the MC8641DVU1333JE datasheet, MC8641DVU1333JE pinout, MC8641DVU1333JE application, or MC8641DVU1333JE equivalent, key selection criteria include confirmed 1333 MHz core frequency at 1.05 V, thermal operation up to 105°C junction temperature, dual DDR2-600 support (1.8 V), eTSEC I/O voltage compatibility (2.5 V/3.3 V), FC-CBGA-1023 package constraints, and power sequencing requirements for VDD_PLAT, Dn_GVDD, and SYSCLK timing alignment.

Technical Context

The MC8641DVU1333JE implements a single e600 core with eleven independent execution units, separate instruction/data MMUs, and multiprocessor coherency support via MPX bus - enabling deterministic real-time control in packet processing pipelines. Its memory subsystem integrates two independent 64-bit DDR/DDR2 controllers supporting up to 300-MHz clock rates and 16 Gbytes per channel with cache-line interleaving.

Connectivity is defined by four IEEE 802.3-compliant eTSECs (10/100/1000 Mbps) with RGMII/GMII/MII/TBI/RTBI physical layer support, PCI Express 1.0a x1–x8 lanes at 2.5 Gbaud, and Serial RapidIO 1.2 at 1.25/2.5/3.125 Gbaud per lane - all managed through dedicated ATMUs with eight outbound windows for PCI Express and eight for RapidIO with segmentation support.

Key Specifications

Pinout & Package

MC8641DVU1333JE is housed in a 1023-pin Hi-CTE flip-chip ceramic ball grid array (FC-CBGA) package with 35 × 35 mm body size, 1.0 mm ball pitch, and thermal lid. Pin assignment follows Freescale's MPC8641D Rev. 3 signal listing - no generic or inferred pin definitions are used.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8641DZU1333JE and P2020NXE2KFC, the MC8641DVU1333JE uniquely balances single-core 1333 MHz performance, dual DDR2-600 bandwidth, four eTSECs with offload, and both PCIe x8 and SRIO 4x - making it optimal for space-constrained, thermally demanding wireless infrastructure control modules where dual-core overhead is unnecessary.

Availability

MC8641DVU1333JE is available at Aetrix Electronics and suitable for wireless infrastructure, enterprise routing, and defense communications applications requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized Freescale/NXP channels.

Supply support for MC8641DVU1333JE 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) is a fabless semiconductor company specializing in embedded processing, analog, and connectivity solutions for automotive, industrial, and networking markets.

The MPC8641 family was designed as a high-performance integrated host processor targeting carrier-grade wireless infrastructure, enterprise networking, and storage systems - emphasizing multi-protocol Ethernet acceleration, coherent serial interconnect, and ECC-protected memory subsystems.

FAQ

What is the maximum operating junction temperature for the MC8641DVU1333JE?

The MC8641DVU1333JE is rated for a maximum junction temperature of 105°C under thermal operating conditions. At this temperature, the device delivers 20.2 W typical power dissipation and 23.2 W maximum power draw when running at 1333 MHz core frequency with 1.05 V supply. Thermal design must ensure heatsink interface resistance and PCB copper area maintain TJ ≤ 105°C during sustained packet processing loads.

Does the MC8641DVU1333JE support DDR3 memory?

No, the MC8641DVU1333JE does not support DDR3 memory. Its DDR memory controllers are explicitly specified for DDR and DDR2 SDRAM only, with validated operation up to DDR2-600 (300 MHz clock, 1.8 V). DDR3 compatibility is absent from all electrical, timing, and register-level documentation in the MPC8641D Rev. 3 hardware specifications.

What are the power sequencing requirements for MC8641DVU1333JE?

The MC8641DVU1333JE requires strict power sequencing: all non-DDR supplies (VDD_Core0, VDD_PLAT, OVDD, etc.) must reach 90% of nominal value before Dn_GVDD and Dn_MVREF rise above 10%. SYSCLK must be applied only after all supplies stabilize. The recommended maximum ramp time is 20 ms. Failure to follow this sequence risks improper PLL lock or corrupted DDR initialization in the MC8641DVU1333JE.

Can the MC8641DVU1333JE operate with a 2.5 V DDR2 interface voltage?

No, the MC8641DVU1333JE DDR2 interface requires 1.8 V ±90 mV (SSTL-18 standard). Applying 2.5 V to D1_GVDD or D2_GVDD violates absolute maximum ratings and will damage DDR2 I/O circuitry. The 2.5 V range applies exclusively to DDR-400 operation; DDR2 operation mandates 1.8 V, as confirmed in Table 2 Notes 9 and electrical characterization sections of the MC8641DVU1333JE hardware spec.

Is the MC8641DVU1333JE pin-compatible with other MPC8641 variants?

Yes, all MPC8641 and MPC8641D variants - including MC8641DVU1333JE - share identical 1023-pin FC-CBGA packaging and pinout per Freescale's MPC8641D Rev. 3 signal listing. Core count (single vs. dual), frequency grade, and voltage grade do not affect mechanical or electrical pin mapping, enabling drop-in replacement within the same speed/voltage bin.