QG82945G

Overview

The Altera QG82945G is a Graphics and Memory Controller IC designed for mobile applications. It utilizes an FCBGA-1202 package with dimensions of 34x34 mm. The component integrates graphics processing capabilities alongside memory control functions, supporting DDR2 memory types including DDR2-400, DDR2-533, and DDR2-667 standards. It features dual-channel memory architecture with a maximum storage capacity of 4 GB. The device supports up to two simultaneous displays via LVDS, SDVO, and VGA outputs. It operates within a temperature range of -40°C to +105°C and is housed in a plastic/epoxy BGA package.

Feature Summary

• Integrates GMCH functionality combining graphics and memory controller roles
• Supports dual-channel DDR2 memory interfaces
• Provides multiple display output options including LVDS, SDVO, and VGA
• Designed for mobile embedded system architectures

Applications

• Mobile computing platforms requiring integrated graphics
• Embedded industrial control systems
• Portable electronic devices with display interfaces

Procurement Notes

Verify the manufacturer designation carefully as this component appears in Intel datasheets under the same part number. Confirm RoHS compliance status and specific suffix codes (e.g., SLA9H) against official documentation before procurement. Ensure compatibility with existing motherboard layouts and thermal management solutions for the FCBGA-1202 package.

Selection Notes

Select this component for designs requiring a single-chip solution for both memory and graphics control in mobile environments. Consider the FCBGA-1202 footprint constraints and verify support for required DDR2 speeds. Evaluate thermal dissipation requirements given the high operating temperature limit and integrated nature of the chip.

Part Context

This component belongs to the Intel 945 Express Chipset family, specifically the Calistoga core. It serves as a Graphics and Memory Controller Hub (GMCH). While listed under Altera in some marketplaces, technical specifications and datasheets consistently identify it as an Intel product used in mobile chipset configurations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.