QS3126QG8 Integrated Circuits (ICs)

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• Introduction

  The QS3126QG8 is a logic-signal switch, multiplexer and decoder chip manufactured by QS Components. This integrated circuit is designed to operate with the Logic Protocols of an 8-bit microprocessor and is suitable for a wide range of applications, including direct digital control of complex systems, device interface control, low-powered sensor interfaces, and data acquisition systems.

• Application fields

  The QS3126QG8 is ideally suited to control the input/output of data in incremental steps, detecting conditions at a specific moment in time. It can be used in a wide variety of applications such as controlling analog-to-digital converters, I/O controllers, and microcontroller peripherals. It is also useful in industrial and automotive applications to control inputs from sensors and other devices.

• Technologies

  The QS3126QG8 is based on a low power, CMOS technology process, with a single-supply voltage range of 2.7V to 5.5V. It is designed for single-ended or differential signals and is rated for operation at up to 50 MHz. The output drivers are rated for 15 mA maximum output current at 2.7V to 5.5V supply voltage.

• Working Principle

  The QS3126QG8 operates as a logic switch, multiplexer and decoder. It uses logic to determine whether an input or an output is high or low. The output can be configured as a single-ended output or as a differential output depending on the application. The output can also be configured as an open-drain output, allowing it to sink or source current depending on the input condition. The multiplexer portion of the chip consists of an 8-bit data line, with the ability to select a specific data line to be connected to the output. The decoder portion of the chip consists of an 8-bit address line which can be used to select a specific line from the data line to be connected to the output.

• Conclusion

  The QS3126QG8 is a versatile logic-signal switch, multiplexer and decoder chip which can be used for a variety of applications. It has the ability to detect conditions at a specific moment in time and can be used to control a range of digital and analog I/O. It is based on a low-power CMOS technology process and is rated for operation up to 50 MHz.

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