CD74HC4002NSRG4

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Logic gates are electronic components that perform logical operations on two or more binary inputs. Inverters are logic gates that invert the input signal. The CD74HC4002NSRG4 is a quad two-input exclusive-OR gate with Schmitt-trigger inputs, enabling the device to interface with higher-impedance signals. This article will discuss the application field and working principle of the CD74HC4002NSRG4.

Application Field

The CD74HC4002NSRG4 is used in a wide variety of digital applications, such as data and address decoding, multiplexing, pattern recognition, and logic implementation. Its Schmitt-trigger inputs enable it to interface with higher-impedance signals, making it useful for applications with limited drive capability. The device is also useful for making, for example, analog filters for noise suppression and for stereo and home theater systems.

Working Principle

The CD74HC4002NSRG4 is a quad two-input exclusive-OR gate with Schmitt-trigger inputs. This logic gate is composed of four interconnected 2-input exclusive OR gates. The exclusive OR gate is a type of digital logic gate that outputs true (1) if one, and only one, of its two inputs is true. It has two inputs—each connected to one of the two exclusive OR gates. The Schmitt-trigger input circuitry on each of the gates prevents unwanted noise and spurious signals by triggering the logic outputs only when the input signals exceed a certain threshold.

The device can handle input signals up to 5 volts and can switch in the order of tens of nanoseconds. It is fabricated using low-power, high-speed CMOS (complementary metal-oxide semiconductor) technology and is specified to operate over a wide temperature range of -55°C to 130°C. The device is also available in surface-mount packaging to reduce board space and system cost.

In conclusion, the CD74HC4002NSRG4 is a quad two-input exclusive-OR gate with Schmitt-trigger inputs, which is useful for making, for example, analog filters for noise suppression, and for data and address decoding, multiplexing, pattern recognition and logic implementation. It can withstand input signals up to 5 volts and switch in the order of tens of nanoseconds. The CD74HC4002NSRG4 is a valuable part for many digital systems.

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