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Clock/Timing - Delay Lines
Clock/Timing - Delay Lines

Clock/Timing - Delay Lines

Definition

Clock/Timing - Delay Lines are specialized Integrated Circuits (ICs) designed to introduce precise time delays in digital signal paths. These components ensure accurate synchronization, signal alignment, and phase adjustment in high-speed electronic systems. Delay lines are crucial in applications requiring strict timing control, such as data communication, memory interfaces, and microprocessor clock distribution.

Types of Delay Lines

  1. Fixed Delay Lines Provide a predetermined delay, ideal for consistent timing adjustments.
  2. Programmable Delay Lines Allow user-configurable delays via digital interfaces (e.g., SPI, I C).
  3. Voltage-Controlled Delay Lines (VCDLs) Adjust delay dynamically using an analog voltage input.
  4. Differential Delay Lines Support high-speed differential signaling (e.g., LVDS, CML).
  5. Temperature-Compensated Delay Lines Maintain stable delays despite thermal fluctuations.

Buying Considerations

  • Delay Range & Precision Select based on required resolution (e.g., picosecond-level accuracy).
  • Signal Compatibility Ensure support for your interface (e.g., CMOS, TTL, LVDS).
  • Power Consumption Critical for portable/battery-operated devices.
  • Package Type Choose between surface-mount (SMD) or through-hole based on PCB design.
  • Jitter Performance Low jitter is vital for high-frequency applications.

Delay lines optimize system timing integrity whether for FPGA clock distribution, network synchronization, or test equipment. Evaluate specifications carefully to match your design requirements.

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IC DELAY LINE 5TAP 175NS 8UMAX


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IC DELAY LINE 25NS 8SOIC


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IC DELAY LINE 5TAP 100NS 8SOIC


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