CD74HCT21MT

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The CD74HCT21MT is a dual 4-input NAND gate used in a variety of logic and digital applications. This device is part of the HCT logic family, which is based on a unique 0.5 micron CMOS process with low power consumption and high speed. The CD74HCT21MT has a maximum operating temperature range from -55°C to 85°C. It is offered in a 20TSSOP (Thin Shrink Small Outline Package).

The CD74HCT21MT Logic Gates and Inverters offer the design convenience of two independent gates with a common package and the system savings of two identical NAND Gates in two convenient devices. The electrical characteristics of these logic devices allow operation over the full military temperature range of -55°C to 85°C. It is characterized for second-level interconnections and flows well with HCT logic families.

The working principle of this logic gate is as follows: the two inputs A1 and A2 and two inputs B1 and B2 are combined together and a set of NAND gates are used to provide a single output with the output being active low. The device is enabled when both of the output enable inputs (OE1 and OE2) are set to a high logic state. When one of the output enable inputs is forced to a low logic state, the corresponding output will be disabled and held in a high impedance state. The device can be used to build Boolean equations with each output representing the result of the equation.

The CD74HCT21MT can be used in a wide range of applications, such as logic circuits, frequency division circuits and parity checking in memory systems. It is also used as a stand-alone logic gate or as a building block in bigger logic systems. The device is also suitable for interfacing digital and analog signals, as well as providing buffering of signals. The device is used in a wide range of applications including microprocessors, memory systems, and communication devices.

The CD74HCT21MT is a highly reliable device that provides excellent noise immunity and performance. The device is housed in a 20TSSOP (Thin Shrink Small Outline Package) and uses very little power. The device is also characterized for second-level interconnections and easily integrates with the HCT family of logic devices. The logic characteristics of this device ensure accurate and reliable logic functions over the full temperature range.

In conclusion, the CD74HCT21MT is an excellent device for use in a variety of logic and digital applications. It is capable of performing complex logic functions with minimal power consumption and excellent noise immunity. The device is housed in a very small package, making it ideal for use in limited space applications. The device is characterized for second-level interconnections and integrates seamlessly with the HCT logic families.

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