PI7C9X7954AFDE

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: High-speed PCIe-to-PCI bridge
• Characteristics:
  • Supports PCI Express Gen2 x1, x2, x4, and x8
  • Provides backward compatibility with legacy PCI devices
  • Low power consumption
  • Small form factor package
• Package: QFN (Quad Flat No-Lead)
• Essence: Bridging the gap between PCIe and PCI interfaces
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• PCIe Compliance: PCIe Base Specification Rev. 2.0
• PCI Compliance: PCI Local Bus Specification Rev. 3.0
• Operating Voltage: 3.3V
• Power Consumption: < 1W
• Temperature Range: -40°C to +85°C
• Package Dimensions: 7mm x 7mm

Detailed Pin Configuration

The PI7C9X7954AFDE has a total of 64 pins. Here is a brief overview of the pin configuration:

• Pins 1-16: PCIe Interface
• Pins 17-32: PCI Interface
• Pins 33-48: Power and Ground
• Pins 49-64: Miscellaneous Control and Status Signals

For a detailed pinout diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Bridge between PCIe and PCI interfaces
• Supports multiple PCIe lanes for high-speed data transfer
• Backward compatibility with legacy PCI devices
• Advanced power management features
• Built-in error detection and correction mechanisms

Advantages

• Enables seamless integration of PCIe and PCI devices
• High-speed data transfer between different interface standards
• Low power consumption
• Compact form factor for space-constrained designs
• Robust error detection and correction capabilities

Disadvantages

• Limited to PCIe Gen2 speeds, not compatible with newer Gen3 or Gen4 standards
• May require additional components for specific applications
• Higher cost compared to traditional PCI-only solutions

Working Principles

The PI7C9X7954AFDE acts as a bridge between the PCIe and PCI interfaces. It translates the signals and protocols used by each interface, allowing seamless communication between devices using different standards. The bridge handles data transfer, address decoding, and power management functions.

Detailed Application Field Plans

The PI7C9X7954AFDE finds application in various fields, including: 1. Industrial automation: Connecting legacy PCI-based control systems to modern PCIe-enabled computers. 2. Gaming industry: Integrating older PCI gaming peripherals with new PCIe-based gaming platforms. 3. Embedded systems: Enabling communication between PCIe host processors and PCI-based expansion cards in compact embedded systems. 4. Networking equipment: Bridging the gap between PCIe network controllers and legacy PCI network interface cards (NICs).

Detailed and Complete Alternative Models

1. PI7C9X7958AFDE: Similar to PI7C9X7954AFDE but supports PCIe Gen3 speeds.
2. PI7C9X7960AFDE: Enhanced version with additional features such as advanced power management and extended temperature range.

These alternative models offer improved performance, additional functionality, and compatibility with newer PCIe standards.

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