74HC11D/AUJ

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74HC11D/AUJ is a quad-2-input NAND Schmitt Trigger gate or quad-2-input NOR Schmitt Trigger gate built with MOS technology and addressing the 3 to 15V voltage range. This integrated circuit has two Schmitt trigger NAND and two Schmitt trigger NOR gates, making it ideal for applications with slow or noisy input signals, or when greater noise immunity is required.

The 74HC11D/AUJ was developed by Texas Instruments and has a high degree of functional flexibility and sufficient output drive capability available to ensure proper system operation. This device provides an excellent solution for a variety of data conversion, filtering and conditioning applications.

The 74HC11D/AUJ is designed to operate in big-endian and little-endian type logic systems due to its low propagation delays and adjustable hysteresis features. The main purpose of this device is to translate and amplify the slow or noisy input signals coming from the external sensors into a less noisy output signals. This device can also be used as a level detector, with its unique Schmitt triggers.

The 74HC11D/AUJ is suitable for both digital and analog applications and is easy to use and install. This device has an input TTL compatible input swing, and a high output drive current of up to 16mA. It operates on a single supply voltage of 3 to 15 Volts and is rated for a maximum operating temperature of +125°C. With an IEC/AEC-Q100 Grade-0 rating for automotive applications and a wide-temperature range, the 74HC11D/AUJ is a reliable and efficient solution for a variety of data conversion, filtering and conditioning applications.

The working principle of 74HC11D/AUJ is based on the principle of Schmitt trigger action. It is similar to a classical NAND gate, with added features that allow the gate to discriminate input signals with slow rise times or when noise immune is required. This gate uses the "Hysteresis Principle", in which the input voltage threshold point is changing when passed through the gate. When the input voltage is greater than the upper threshold point, the normal gate output is active, and when it is less than the lower threshold point, the reversed gate output is active. In other words, the gate works as a voltage detector, and will trigger a logic 0 output when the input signal crosses the lower set point, then back to logic 1 when the input rises and passes through the upper set point.

The 74HC11D/ AUJ is a high-reliability, easy-to-use, and cost-efficient device for a variety of data conversion, filtering, and conditioning applications. Its working relies on the principle of Schmitt trigger action, and provides wide temperature range, automatic endianness translation, and adjustable hysteresis voltage for noise immunity. It is also suitable for digital and analog applications in industrial, automotive, and consumer electronics.

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