74AVC1T1022GUX

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74AVC1T1022GUX Application Field and Working Principle

The 74AVC1T1022GUX are part of the family of clock buffers, drivers and receivers that are designed to provide wide voltage, high-frequency and robust interface solutions. The 74AVC1T1022GUX offers a low-cost, high-reliability alternative to discrete solutions. The device has a single skew, nominally zero-skew design that avoids system timing problems due to interconnect skew. This feature allows for high-speed system throughput and improved overall system timing.

The 74AVC1T1022GUX are ideal for use in a variety of applications, from consumer electronics requiring low-voltage solutions, to servers and high-performance computing applications requiring robust solutions. The devices provide degree of industrial temperature operation, as well as protection against electrostatic discharge (ESD) events.

The 74AVC1T1022GUX feature single-ended voltage range of 1.14 V to 2.5 V, with input and output waveforms of 2 V to 5.5 V. The devices have a nominal edge rate of 2.5 V/ns, with a maximum edge rate of 4 V/ns. The devices have supply current of up to 1.5 mA.

Features:

• Low voltage solution
• Nominally zero-skew design
• High-frequency and robust interface
• High-speed system throughput
• High-reliability application
• Low-cost alternative to discrete solutions
• Advanced ESD protection

Application:

• Consumer electronics
• Servers
• High-performance computing applications

Working Principle

The 74AVC1T1022GUX features a wide voltage input range of 1.14 V to 2.5 V and a single output load impedance of 8Ω. The output swing is provided by the dynamic I/O structure, driving a 2 V to 5.5 V waveform, with a minimum edge rate of 2.5 V/ns. The input is synchronized to the rising edge of the output, and the output is synchronized with the falling edge of the input. The device has a nominal hold time of 0.8ns, a maximum allowable input/output delay of +1.5ns, and a typical jitter of < 1ps.

The 74AVC1T1022GUX has five programmable inputs, with one dedicated to select a clock source. The other four inputs select the rising or falling edge of the clock source, a combination of the two edges, or a clock enable control. In addition, a logic output line allows the device to be connected to an external power controller, such as a voltage regulator.

The device has eight outputs, each of which can accept an on-chip termination resistor. This enables improved signal quality and reduced power consumption, while simplifying the design of application-specific integrated circuits (ASICs). The devices also have an LVDS clock driver which has a relaxed slew rate for long runs on single-ended traces, as well as a variable gain clock driver for use in highly populated systems.

The device is powered from a single 3.3 V to 4.5 V supply, with a minimum of 2.5 V. It requires decoupling capacitors on all pins, with the exception of the termination resistors. The device is available in a Green Pb-free package.

Conclusion

The 74AVC1T1022GUX are part of a family of clock buffers, drivers and receivers that are designed to provide wide voltage, high-frequency and robust interface solutions. The devices feature an input/output waveform of 2 V to 5.5 V, with a maximum edge rate of 4 V/ns. They are ideal for use in a variety of applications, including consumer electronics, servers and high-performance computing applications. The devices also feature advanced ESD protection, as well as decoupling capacitors on all pins except the termination resistors. The device is powered from a single 3.3 V to 4.5 V supply, with a minimum of 2.5 V.

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