MM74C923N

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The MM74C923N is a bit by bit multiplexing device designed for use in systems employing MC microprocessors. It is constructed of a capacitor-aided MOS process and has a VDD operating range of 5V. It is designed for use with logic and signal devices, including switches, multiplexers, decoders and buffers.

In its simplest form, the MM74C923N is a 20-input device that acts as a decoder. Depending upon the combination of binary input signals, it will produce one or more outputs. This can be used to select the desired input device among the twenty inputs. For example, the decoder can be used to select the output device, such as a motor, which can be used to trigger a specific action.

Aside from its decoder function, the MM74C923N also provides two multiplexer functions. The first multiplexer function is a two field 8/10 multiplexer. This enables the device to switch between two 10-bit fields of data, similar to a latching system where the data is held in a register. The second multiplexer function is a four-field 4/6 multiplexer. This will allow the device to switch between four 6-bit fields of data.

The MM74C923N also contains an encoder and buffer function. The encoder uses the three MSBs of the data inputs to generate a 3-bit-wide output. The output will indicate the position of the most significant bit (MSB) of the input data. The buffer is used to condition the data output signals and velocity. The buffer will drive the output signals of the MM74C923N at up to 25 mA per pin.

The buffer circuitry provides the logic low and logic high voltage levels, timeout protection, and static bus protection. This provides protection against over-voltage conditions and provides a reliable electrical connection between logic devices. The buffer also helps to ensure that the output signals contain clean, tight transitions, thus providing improved signal quality and extended system lifetime.

The MM74C923N is a versatile device that can be used in a wide range of applications, ranging from industrial systems, instrumentation systems, automotive, media and entertainment systems, and more. It provides reliable logic protection and high-level buffering, giving it the ability to function in demanding applications. With its low power dissipation and high speed, it is a great choice for systems that require precise signal conditioning or buffer protection.

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