PCI9080-3

Specialized Overview

The PCI9080-3 is a 32-bit I/O accelerator and PCI bus master interface IC manufactured by Broadcom Limited. Designed for high-performance data transfer, it supports a maximum clock frequency of 33 MHz with a data rate of 1.064 Gb/s. The device operates at a fixed supply voltage of 5 V and functions within an ambient temperature range of 0°C to +70°C. It is housed in a PQFP-208 surface-mount package. This component facilitates efficient I/O processing in PCI-based systems.

Specialized Feature Summary

• Supports I2O compatible architecture for enhanced system management
• Functions as a dedicated PCI bus master I/O chip
• Enables high-speed data acceleration via 32-bit parallel interface

Specialized Applications

• PCI-based I/O acceleration modules
• Industrial control systems requiring bus mastering
• Legacy server peripheral interfaces

Specialized Procurement Notes

This component is officially listed as End-of-Life (EOL) by the manufacturer. Availability is restricted, and standard distribution channels may not stock new units. Verification of authenticity and condition is critical when sourcing from secondary markets. Ensure compatibility with existing system requirements before procurement due to discontinuation status.

Specialized Selection Notes

Select this part only if legacy PCI 32-bit bus mastering is required with 5V logic levels. Verify that the host system supports the specific PQFP-208 footprint. Consider modern alternatives if current production designs are being developed, as this component is discontinued. Confirm thermal constraints align with the specified 0°C to +70°C operating range.

Specialized Part Context

The PCI9080 series represents Broadcom's legacy line of PCI interface controllers designed for high-throughput applications. The -3 suffix typically denotes specific timing or packaging variations within the family. These chips were widely used in early 2000s computing infrastructure to offload I/O tasks from the main processor.

Specialized Replacement Considerations

No direct public substitute part numbers are confirmed in available documentation. Due to the EOL status, redesigning the PCB for a newer Broadcom or third-party PCI controller is recommended. Check for backward-compatible upgrades within the same vendor portfolio.