MPC8377VRALG Equivalent & Substitute Parts

Part Overview

The MPC8377VRALG is a PowerPC e300c4s Microprocessor IC from the MPC83xx series, featuring a single 32-bit core operating at 667MHz in a 689-TEPBGA II (31x31) package. This embedded processor integrates dual Gigabit Ethernet ports, dual SATA 3Gbps controllers, USB 2.0 with PHY, and comprehensive memory controllers supporting DDR and DDR2 RAM. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

MPC8377VRALG

NXP SemiconductorsIn Stock: 1190MPC8377VRALG Datasheet

Current PartRFQ

MPC8377VRALGA

Freescale SemiconductorIn Stock: 1466MPC8377VRALGA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MPC8377VRALG is determined by strict equivalence across the following critical parameters:

Core Architecture & Performance: The substitute must implement the identical PowerPC e300c4s core architecture with matching 32-bit bus width and 667MHz operating frequency. These parameters define the instruction set compatibility and performance envelope required for direct replacement.

Memory & Peripheral Controllers: Equivalence requires identical DDR and DDR2 RAM controller support, dual Gigabit Ethernet (10/100/1000Mbps), dual SATA 3Gbps controllers, and USB 2.0 with integrated PHY. The complete peripheral interface set—including DUART, I2C, MMC/SD, PCI, and SPI—must be present.

Electrical & Thermal Specifications: The substitute must support identical I/O voltage levels (1.8V, 2.5V, 3.3V) and operate within the same temperature range (0°C ~ 125°C).

Package & Physical Compatibility: The 689-TEPBGA II (31x31) package with exposed pad is mandatory for PCB layout and thermal management compatibility.

Compliance & Certification: RoHS3 compliance and MSL 3 rating must be maintained.

Parameter Comparison

Engineering Selection Recommendations

The MPC8377VRALGA (Freescale Semiconductor) is a direct functional equivalent to the MPC8377VRALG (NXP Semiconductors). Both parts share identical core architecture, performance specifications, peripheral integration, electrical characteristics, and package configuration. The primary distinction is product lifecycle status: the original MPC8377VRALG is obsolete, while the MPC8377VRALGA maintains active status.

For applications requiring the MPC8377VRALG, the MPC8377VRALGA provides continuity of supply and technical compatibility. Both parts maintain RoHS3 compliance and identical export control classifications (ECCN 3A991A2, HTSUS 8542.31.0001), ensuring regulatory consistency in procurement and deployment.

Frequently Asked Questions (FAQ)

Q: Can MPC8377VRALGA directly replace MPC8377VRALG in existing designs?

A: Yes. The MPC8377VRALGA is functionally equivalent across all specified parameters: core architecture, clock frequency, memory controllers, peripheral interfaces, I/O voltage levels, thermal range, and package configuration. No design modifications are required for direct substitution.

Q: What is the significance of the product status difference (Obsolete vs. Active)?

A: The MPC8377VRALG is classified as obsolete, indicating NXP has discontinued production and support. The MPC8377VRALGA maintains active status from Freescale Semiconductor, ensuring ongoing availability, technical support, and supply chain continuity. For new designs or ongoing production, the active part is the preferred selection.

Q: Are the 689-TEPBGA II packages physically identical?

A: Yes. Both parts use the 689-TEPBGA II (31x31) package with exposed pad. PCB footprints, thermal interface requirements, and assembly processes are identical.

Q: Do both parts support the same memory configurations?

A: Yes. Both the MPC8377VRALG and MPC8377VRALGA integrate identical DDR and DDR2 RAM controllers, supporting the same memory configurations and timing specifications.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain identical RoHS3 compliance, MSL 3 rating, and export control classifications (ECCN 3A991A2, HTSUS 8542.31.0001).

Q: What interfaces are supported by both parts?

A: Both parts provide dual Gigabit Ethernet (10/100/1000Mbps), dual SATA 3Gbps controllers, USB 2.0 with PHY, DUART, I2C, MMC/SD, PCI, and SPI interfaces.