DM74AS21M Allicdata Electronics
Allicdata Part #:

DM74AS21M-ND

Manufacturer Part#:

DM74AS21M

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: ON Semiconductor
Short Description: IC GATE AND 2CH 4-INP 14SOIC
More Detail: AND Gate IC 2 Channel 14-SOIC
DataSheet: DM74AS21M datasheetDM74AS21M Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Series: 74AS
Packaging: Tube 
Part Status: Obsolete
Logic Type: AND Gate
Number of Circuits: 2
Number of Inputs: 4
Features: --
Voltage - Supply: 4.5 V ~ 5.5 V
Current - Output High, Low: 2mA, 20mA
Logic Level - Low: 0.8V
Logic Level - High: 2V
Max Propagation Delay @ V, Max CL: 6ns @ 5V, 50pF
Operating Temperature: 0°C ~ 70°C
Mounting Type: Surface Mount
Supplier Device Package: 14-SOIC
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Base Part Number: 74AS21
Description

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The DM74AS21M is a type of logic gate and inverter. Generally, logic gates take one or more digital inputs and output a corresponding digital signal based on certain rules according to the type of gate. Similarly, an inverter (or buffer) is a logic gate designed to give an output the opposite of the input. In other words, if the input is logic 1, the output will be logic 0, and vice versa. The DM74AS21M is a dual 4-input AND gate, with an inverter following the output. This gate is capable of taking four digital inputs, and will output a logic 0 if any, or all, of the inputs are logic 0. The output, however, is then inverted and the output will be a logic 1 if any, or all, of the inputs were logic 0. Generally, the DM74AS21M logic gate and inverter combination is used in digital circuitry for many different applications. It can be used as an arithmetic logic unit to compare the data of two different inputs, or even as a logic circuit to combine the data of two different applications to produce a third output. Additionally, the inverter in the gate can be used to provide binary values as a code or to carry signals through different systems, like on a bus or computing system. This combination of logic gate and inverter can even be used to control computers, via logic states and digital signallings. Moreover, in combination with the DM74AS21M, other components (logic gates) can be built to create more complex circuits and systems. This can be done by connecting the outputs of multiple logic gates (AND/OR) together, resulting in a design which can be used as a frequency divider or comparator, or even a complex signal generator. Any number of logic gates can be connected and used for more complex configurations, like adding filtering capabilities, or other features.Working with the DM74AS21M is relatively simple. First, the Vcc power supply is connected to the device, then the logic inputs (A, B, C, D) are connected. The AND gate will then go through the inputs, from A to D, and any inputs set to logic 0 will lead to the output of the gate being set to logic 0. The output of the gate is then inverted by the onboard inverter, resulting in a logic 1 output.In conclusion, the DM74AS21M gate is a great combination of logic gate and inverter. It can be used in a wide variety of digital systems, whether it be for math operations or for controlling digital signals, and even for more complex solutions like frequency dividers or signal generators. Additionally, it is easy to work with and can be combined with other components to produce more powerful solutions. Lastly, it is a versatile gate, seen often in many digital systems, offering great uses with its reliable performance.

The specific data is subject to PDF, and the above content is for reference

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