The IDT2309A-1HDCGI is a high-performance, low-skew, low-jitter zero delay buffer (ZDB) from Renesas (formerly IDT). This versatile clock generator/multiplier is designed to distribute high-frequency clocks in a variety of applications.

Applications

• Clock distribution in high-speed digital systems: The IDT2309A-1HDCGI is specifically designed for distributing clock signals across a circuit board or system.
• Motherboards and computer peripherals: Used to synchronize data transfer and processing in computer systems.
• Networking equipment: Synchronizes data flow in routers, switches, and other networking devices.
• Telecommunications systems: Provides accurate timing signals for communication infrastructure.
• High-speed data acquisition systems: Ensures precise timing for data capture and processing.

Features

• Zero Delay Buffer (ZDB) functionality: Eliminates phase delay between the input and output clocks.
• Low Skew: Minimizes timing differences between multiple output clocks, ensuring signal integrity.
• Low Jitter: Reduces timing uncertainty in the output clocks, improving system performance.
• Operating Frequency: Up to 133 MHz, suitable for a wide range of applications.
• Supply Voltage: Operates at 3.3V, making it compatible with modern low-voltage systems.
• Output Enable Control: Allows for disabling the output clocks, providing power saving options.
• Package: Available in SOIC package for easy integration into surface mount boards.

Benefits

• Improved System Performance: Low skew and jitter ensure accurate timing, leading to enhanced system performance.
• Simplified Clock Distribution: ZDB functionality simplifies clock tree design by eliminating the need for delay compensation.
• Reduced EMI: Low jitter helps to minimize electromagnetic interference (EMI).
• Power Efficiency: Low voltage operation contributes to overall power efficiency.
• Reliable Operation: Designed for robust and reliable operation in demanding environments.

Additional Details

The IDT2309A-1HDCGI features a phase-locked loop (PLL) that multiplies the input clock frequency to generate the output clocks. It offers multiple output clocks, allowing it to drive multiple devices simultaneously. The device's low skew and jitter characteristics are crucial for maintaining signal integrity in high-speed digital systems. Its ability to operate at 3.3V makes it compatible with a wide range of digital logic families. The output enable pin provides a means to disable the output clocks, which can be useful for power management or testing purposes. Its operating temperature range is typically from -40°C to +85°C.