SN74HC126DG4

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The SN74HC126DG4 is a quad bus buffer gate which operates in the advanced CMOS logic family. It was designed to be used in high-performance, high-speed logic systems that require low background noise. The SN74HC126DG4 provides four non-inverting buffers of the same configuration and operates from a single supply voltage of 2.5 to 6.5V.

The SN74HC126DG4 is a single chip solution for implementing high speed digital logic applications. It is designed to be used in modern high-speed applications, such as microprocessor-based systems, DRAMs, high-speed communication applications, and high-speed data acquisition systems. The SN74HC126DG4 is ideal for high-speed logic interfacing, because it has a very fast rise-time and a high output impedance. The chip also has great noise immunity and low power consumption, making it suitable for use in systems with low power requirements.

The SN74HC126DG4 belongs to the logic - Buffers, Drivers, Receivers, Transceivers category. Its main application fields include being used in high speed buffers and line drivers, data processing systems, very high speed control systems, special-purpose control systems, and signal processing systems.

The SN74HC126DG4 is a four channel quad supply buffer, with a high output-to-input logic level conversion capability and a very low dynamic on-resistance. It has three-state outputs to allow multiplexed signal transmission. It is powered by a single supply voltage with a wide operating range and is capable of meeting both static and dynamic requirements.

The SN74HC126DG4 is comprised of four non-inverting buffers, each of which contains two complementary outputs with Schmitt-trigger inputs to ensure hysteresis. It provides very low input-output delay and wide output swing range with no additional amplification required. The logic inputs are protected against overvoltage transients with ESD protection up to 8kV. It also features buffer enable control which allows the outputs to be enabled or disabled with an active low signal.

The SN74HC126DG4 also has an enable input which allows the device to be shut down when not in use. This feature provides a power saving option in systems with low-power requirements. The breakdown voltage of the device is greater than 60V DC, which allows for a wide range of power supply sources.

In terms of working principle, the SN74HC126DG4 uses a combination of Pulse Width Modulation (PWM) and Schmitt triggers, in order to provide a high-precision, high-speed signal processing capability. It has a propagation delay of only 75ns, which makes it suitable for high-speed applications. The device is optimized for large signal swings which results in improved linearity, low distortion and low noise.

Overall, the SN74HC126DG4 provides an ideal solution for high-speed logic applications. It is well-suited for applications that require low background noise and minimum power consumption. Its combination of fast rise-time, high output impedance, low input-output delay, wide supply voltage range and high temperature resistance makes it a very attractive choice for many high-speed digital applications.

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