NXP Semiconductors MC7410VU400LE

Overview

MC7410VU400LE from Freescale Semiconductor is a PowerPC 32-bit RISC microprocessor implementing the G4 architecture with AltiVec™ SIMD engine, 32 KB L1 instruction and data caches, 512 KB–2 MB external L2 cache support, and 400 MHz core frequency at 1.8 V core supply. It features full hardware multiprocessing, five-state MESI+ cache coherency, and MPX bus extension for high-bandwidth system interconnect in embedded computing platforms.

For engineers reviewing the MC7410VU400LE datasheet, MC7410VU400LE pinout, MC7410VU400LE application, or MC7410VU400LE equivalent, key selection criteria include confirmed 400 MHz core operation, 360-ball CBGA package mapping, AltiVec-enabled vector processing capability, L2 interface voltage configurability (1.8 V/2.5 V), and thermal performance validated up to 105°C junction temperature.

Technical Context

The MC7410VU400LE implements a fully static, 0.18 µm CMOS design with dual-issue, out-of-order execution across eight independent functional units including FXU1/FXU2, FPU, AltiVec permute/ALU, and load/store units. Its branch unit includes a 512-entry BHT and 64-entry BTIC to minimize pipeline stalls.

It integrates a 128-bit internal data path between VRF, dL1, iL1, L2, and bus interfaces; supports configurable L2 SRAM mode; and delivers two instructions per cycle completion via an eight-slot completion queue - all while maintaining strict PowerPC 32-bit architecture compliance and IEEE 754 floating-point support.

Key Specifications

Pinout & Package

MC7410VU400LE is housed in a surface-mount 360-ball ceramic ball grid array (CBGA) package with 1.27 mm pitch, designed for high-density PCB layouts and thermal reliability in industrial computing modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RISC microprocessor applications.

Compared with MC7410VU400LE, the 450 MHz and 500 MHz variants offer linear performance scaling but demand progressively stricter thermal management - making the 400 MHz version optimal for conduction-cooled, space-constrained embedded systems requiring guaranteed long-term reliability.

Availability

MC7410VU400LE is available at Aetrix Electronics and suitable for telecom infrastructure, industrial automation, avionics display systems, and medical imaging equipment requiring stable component supply across extended product lifecycles.

Supply support for MC7410VU400LE 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 was a fabless semiconductor company specializing in embedded processors, analog, and connectivity solutions before its acquisition by NXP Semiconductors in 2015.

The MPC7410 product line was engineered for high-performance embedded computing in thermally constrained environments, targeting applications demanding AltiVec-accelerated signal processing, SMP scalability, and long-lifecycle industrial qualification.

FAQ

What is the maximum validated junction temperature for continuous operation of the MC7410VU400LE?

The MC7410VU400LE is characterized for continuous operation up to 105°C junction temperature under full-on mode at 400 MHz. This specification is confirmed in Table 3 of the Hardware Specifications document (Rev. 6.1), and thermal resistance values (RθJMA = 18°C/W for CBGA) allow calculation of required heatsink performance for specific ambient conditions. Operation beyond this limit risks timing violation or accelerated wear-out.

Does the MC7410VU400LE support pin-compatible migration from the MPC750?

No, the MC7410VU400LE is not pin-compatible with the MPC750. While both implement the PowerPC 32-bit architecture, the MC7410VU400LE uses a 360-ball CBGA package with different pin assignments, voltage domains (e.g., separate L2OVDD), and enhanced bus signaling (MPX extension). Migration requires PCB redesign and firmware adaptation for AltiVec and cache coherency features absent in the MPC750.

How is the L2 cache interface voltage selected on the MC7410VU400LE?

The L2 cache interface voltage for MC7410VU400LE is selected by the L2VSEL pin state sampled at the negation of HRESET, as defined in Table 2 of the Hardware Specifications. L2VSEL = 0 configures 1.8 V I/O thresholds; L2VSEL = HRESET or 1 selects 2.5 V thresholds. The actual L2OVDD supply must match the selected threshold - mismatched configuration causes undefined logic states and functional failure.

Can the MC7410VU400LE operate with a 3.3 V processor bus interface?

Yes, the MC7410VU400LE supports 3.3 V processor bus I/O when BVSEL = ¬HRESET or BVSEL = 1, as specified in Table 3 (Rev. 1.4 and later). However, this mode requires OVDD = 3.3 V ±165 mV and disables 1.8 V/2.5 V compatibility on the same bus. Legacy MPC7410 revisions prior to Rev. 1.4 do not support 3.3 V OVDD and will malfunction if applied.

What debug and test interfaces are integrated into the MC7410VU400LE?

The MC7410VU400LE integrates a full IEEE 1149.1 JTAG boundary-scan interface supporting EXTEST, SAMPLE, and CLAMP instructions, plus COP (Controller On Processor) debug support. These interfaces enable silicon-level visibility into internal registers, cache tags, and bus transactions - essential for low-level firmware bring-up and hardware validation of the MC7410VU400LE in complex embedded systems.