74VHC138SJX

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The 74VHC138SJX is a 3-to-8 line decoder/demultiplexer with an active low output. It is a member of the VHC logic family, with a snapshot capability, which uses a single logic supply voltage. The 74VHC138SJX can be used for address decoding, as a 1-of-8 decoder, or to implement data routing. This device can be used in applications such as a system level signal management, bus selection and memory decoders, general purpose data selectors or multiplexers, logic control, or device address decoding.

The 74VHC138SJX offers a variety of operating speed characteristics, ranging from high speed, low power, low noise, to standard and slow speed. All eight outputs are enabled and connected to the active low output. This makes the device suitable for use in applications where fast response to multiple inputs is required.

The 74VHC138SJX has an active low output, allowing it to be interfaced to a variety of input conditions, such as TTL and CMOS levels. All inputs are protected against forward voltages up to the supply voltage, and all outputs are protected against reverse voltages up to the supply voltage. The device also has internal pull-up resistors on the D and Y inputs. The device is available in a variety of package and logic families.

The 74VHC138SJX is a high-speed, low-power, low-noise device that can be used in applications such as voltage status conversion, system-level signal management, bus selection and memory decoders, general-purpose data selectors or multiplexers, logic control, or device addressing.

The 74VHC138SJX is an integrated circuit with an active-low output and an asynchronous enable input. The input is a 3-bit binary data selector. It has four inputs (A2, A1, A0 and E). A2 and A1 inputs together act as address select pins, while A0 works as data select pin. The input labeled E is actively driven low to enable the output. When the inputs to the 74VHC138SJX correspond to the state at the inputs, the output is enabled in its corresponding active-low state. Essentially, the 74VHC138SJX is used as a 3-bit binary decoder or demultiplexer.

The input conditions of the 74VHC138SJX are TTL and CMOS compatible. It has an internal pull-up resistor on the data and select inputs to improve reliability in noisy environments. It has an active low output rather than a low impedance output, which eliminates the need for interfacing components such as pull-up resistors when the device is used with CMOS logic. It also has protection diodes on all inputs to prevent overvoltage conditions due to accidental voltage spikes. The device is also capable of running in either slow or fast speed modes.

The 74VHC138SJX can be used in a variety of applications, such as in bus systems, memory decoders, general-purpose data selectors or multiplexers, logic control, or device address decoding. It can also be used for voltage-level translation and for dummy loads in logic implementations. It can also be used for test circuitry, where synchronized data sources are necessary. This device can be used for level detection, waveform generation, programmable logic array equivalents, and even analog functions such as rock-and-roll wave generators.

The 74VHC138SJX is a high-speed, low-power, and low-noise decoder/demultiplexer originated from the VHC logic family. It has an active-low output and an asynchronous enable input, along with four other inputs, which altogether act as a 3-bit selector. It has various package and logic families, input conditions of the 74VHC138SJX are TTL and CMOS compatible, and it has an internal pull-up resistor on the data and select inputs. In addition, it has protection diodes and active-low output rather than low impedance output. These features make the 74VHC138SJX suitable for use in a variety of applications, such as memory decoders, logic control, and even analog functions such as rock-and-roll wave generators.

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