CD74HC238M96

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Introduction

The CD74HC238M96 is a 3-line to 8-line decoder/de-multiplexer with complementary outputs. It is a monolithic CMOS integrated circuit constructed with N- and P-channel enhancement mode transistors. The unit accepts a 3-bit binary code at A0, A1 and A2 inputs, and provides an active LOW output on the 8 outputs from Y0 to Y7. The device can be used for address decoding or data routing applications in bus oriented systems because the enbale (E) and active LOW (G\_) inputs force all outputs LOW when either input is LOW.

Application Field

The CD74HC238M96 fits into a variety of different electronic system types, such as: logic-signal switches, multiplexers, decoders, logic gates, address aligners, data buffers, DLUs (Data Line Unidirectional Switches), voltage detectors, acoustic echo cancellation, bus orientated systems and encoders. It is widely used in the automotive, communication, consumer, industrial and medical industries, specifically for the control of lights, automobile sound systems, and other electronic devices.

Working Principle

The basic working principle of the CD74HC238M96 involves the selection of one of eight output channels (Y0 to Y7) in response to the state of the three binary address inputs (A0, A1, A2). A LOW level at the enable (E) input forces all eight outputs LOW without regard for the states of the address inputs. When E is HIGH and G\_ is LOW, the device enters the active state and the output indicated by the 3 address inputs is enabled, while all other outputs remain LOW. The inputs allow both linear and binary codes to be used, and the outputs are in complementary form.

Conclusion

The CD74HC238M96 is an excellent choice for address decoding and data routing applications. The simple 3-bit binary address with complementing outputs makes the device easy to use, enabling it to greatly streamline the process of decoding multiple data lines. Additionally, its ability to be used in various industries makes it a versatile and reliable choice for a variety of applications.

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