74HC241PW,112

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Introduction
The 74HC241PW,112 is a 8-bit buffer/driver with 3 separate control inputs for controlling the direction of data flow. The device uses D-type flip-flops in order to store data, allowing the logic outputs to remain independent of the state of the logic inputs. It is equipped with an asynchronous active LOW enable input which mutes all the outputs when LOW.

Application Field
The 74HC241PW,112 can be used in many different applications such as:

• Bus interface
• Multiplexers
• Address decoding
• Data buffers
• Address latches
• Data formatting

The device can also be used in digital systems, such as microcontrollers, PLDs (Programmable Logic Devices) and FPGAs, to buffer and multiplex data streams. It is also used to provide logic level isolation between systems that require different logic levels.

Working Principle
The 74HC241PW,112 has three control inputs: S0, S1 and S2. When the S0 and S1 inputs are HIGH, the data is enabled and can flow from the A inputs to the B outputs. When S0 and S1 are LOW, the data is disabled and the B outputs will remain the same. The S2 input sets the direction of data flow. When it is LOW, the data will flow from the A inputs to the B outputs. When the S2 input is HIGH, the data will flow in the opposite direction, from the B outputs to the A inputs.

The device has an asynchronous active LOW enable input which is used to mask the outputs. When the enable input is LOW all the outputs are disabled and remain LOW regardless of the states of the control inputs or data inputs.

The 74HC241PW,112 is a single-ended buffer/driver, meaning it has a total of 8 outputs. The logic outputs can sink and source up to 8mA of current. The logic outputs are capable of sinking up to 20mA of current when VHH=4.4V and can source up to 18mA at VLL=-0.4V.

Conclusion
The 74HC241PW,112 is a 8-bit buffer/driver with 3 separate control inputs for controlling the direction of data flow. It is used in various applications such as bus interface, multiplexers, address decoding, data buffers, address latches and data formatting. The device has an asynchronous active LOW enable input which mutes all the outputs when LOW and it can sink and source up to 8mA of current. It is important to note that the logic outputs are capable of sinking up to 20mA of current when VHH=4.4V and can source up to 18mA at VLL=-0.4V.

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