74AHC157BQ,115

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74AHC157BQ,115 is a logic-signal switch, multiplexer, and decoder integrated circuit. This device operates in conjunction with other logic devices, such as OR gates and AND gates, to change the characteristics of logic signals in various ways. It can be used to convert one or more input signals into a single output signal, providing enhanced functionality and increased performance.

The 74AHC157BQ,115 is a single chip multiplexer, and decoder which utilizes Low Voltage CMOS technology and can be used to multiplex several logic lines into one group or decodes one logic line into several output logic lines. It is a complementary CMOS logic device containing two 1-to-4 (A, B, C and D) and one 1-to-8 (Y0-Y7) multiplexers and latches. Additionally, the device includes an enable input which is an active low signal to activate the latch, allowing the multiplexed output to persist even after the inputs have changed. The 74AHC157BQ,115 Multiplexer/Decoder is typically used in applications that require fast digital multiplexing and decoding.

The 74AHC157BQ,115 multiplexer/decoder operates off of a single 5V supply and has a total package size of just 8-pin SOIC and 14-pin TSSOP. The latch on the device allows for the multiplexed output to persist, even after the inputs have changed, making it ideal for multiplexing applications. This device is also very low-power, consuming only 65µA when enabled. Another benefit of the 74AHC157BQ,115 is that it has a wide operating temperature range from –40ºC to +85ºC. This makes it suitable for applications that need to operate in extreme temperatures.

The 74AHC157BQ,115 can be used in a variety of applications such as sample rate conversion, encoding, data communication, and digital audio systems, among others. It can also be used to multiplex multiple outputs or to decode a single input. The multiplexer/decoder can be used to reduce the number of data lines and reduce the complexity of a system. It can also be used in applications where data signals need to be decoded or multiplexed.

The working principle of the 74AHC157BQ,115 multiplexer/decoder begins when the enable input is activated, which turns off all outputs except for the selected multiplexed output. The multiplexed outputs is then latched and can stay in the latched state even after the original input has changed. The multiplexed output is determined by the logic levels of the inputs A, B, C and D. When the enable input is deactivated, all of the outputs return to the high impedance state.

The 74AHC157BQ,115 multiplexer/decoder from Texas Instruments is an ideal choice for applications that require multiplexing, decoding and reducing the complexity of a system. It is a single chip solution that has low-power consumption, wide operating temperature range, and package size of 8-pin SOIC and 14-pin TSSOP. The device is highly reliable and easy to use, making it a great choice for multiplexing and decoding applications.

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