INDUSTRY COMPONENT

Programmable Interconnects

Programmable interconnects are configurable routing elements in FPGAs and ASICs that enable flexible signal connections between logic blocks.

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Component Specifications

Definition
Programmable interconnects are sophisticated network structures within Field-Programmable Gate Arrays (FPGAs) and Application-Specific Integrated Circuits (ASICs) that consist of configurable switches, multiplexers, and routing channels. They allow dynamic electrical connections between logic blocks, memory elements, and I/O ports, enabling reconfigurable digital circuit implementation. These interconnects determine signal propagation paths, timing characteristics, and overall device functionality through programming.
Working Principle
Programmable interconnects operate through configurable switching matrices and routing resources that can be programmed to create electrical connections between different circuit elements. They use SRAM-based configuration cells, antifuse technology, or flash memory to control pass transistors or multiplexers that establish signal paths. When programmed, specific switches close to form conductive pathways between source and destination points, while others remain open to prevent unwanted connections.
Materials
Silicon substrate with multiple metal layers (typically copper or aluminum), dielectric insulation materials (SiO2, low-k dielectrics), tungsten vias, polysilicon gates, and programmable elements (SRAM cells, antifuses, or flash memory cells).
Technical Parameters
  • Switch Type Pass transistor, multiplexer, or antifuse based
  • Maximum Frequency Typically 100-500 MHz depending on architecture
  • Power Consumption Static: 0.1-1 mW per switch, Dynamic: depends on switching activity
  • Propagation Delay 50-200 ps per switch element
  • Routing Resources Number of programmable switches, routing channels per logic block
  • Configuration Memory 1-10 bits per routing element
  • Configuration Technology SRAM, flash, or antifuse
Standards
ISO 9001, IEC 60749, JEDEC JESD22

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Programmable Interconnects.

programmable interconnects FPGA routing ASIC interconnects configurable switches digital circuit routing programmable logic devices Programmable Interconnects in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

FPGA or ASIC

Programmable or custom-designed integrated circuit that processes image data in vision systems

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Engineering Analysis

Risks & Mitigation
  • Signal integrity degradation due to parasitic capacitance and resistance
  • Configuration bit errors causing incorrect routing
  • Electromigration in metal interconnects over time
  • Timing violations due to routing delays
FMEA Triads
Trigger: Electromigration in metal traces
Failure: Open circuit or increased resistance in interconnect paths
Mitigation: Use wider traces, current density limits, and advanced metallurgy
Trigger: Radiation-induced configuration bit flips
Failure: Incorrect routing configuration leading to functional errors
Mitigation: Implement error correction codes (ECC) and radiation-hardened design

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±5% for resistance values, ±10% for capacitance values, timing margins as per datasheet specifications
Test Method
Boundary scan testing (JTAG), functional testing with test vectors, automatic test pattern generation (ATPG), built-in self-test (BIST)

Buyer Feedback

★★★★☆ 4.6 / 5.0 (36 reviews)

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"The technical documentation for this Programmable Interconnects is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the difference between programmable interconnects in FPGAs and ASICs?

FPGA interconnects are fully reprogrammable using SRAM or flash technology, allowing complete reconfiguration. ASIC interconnects are fixed during manufacturing using metal layers and vias, offering higher performance but no post-fabrication flexibility.

How do programmable interconnects affect circuit performance?

They impact signal propagation delay, power consumption, and maximum operating frequency. Longer routing paths with more switches increase delay and power usage, while optimized routing minimizes these effects.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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