SN75471P

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The SN75471P is an integrated circuit designed for use as a three-state bus receiver. It is designed to be used as a buffer to interface between one data bus and the other. It is part of the 75-Series logic family, which is a family of general-purpose logic integrated circuits (ICs). The SN75471P is also referred to as a three-state receiver, three-state buffer, or a three-state device. It is typically used in computer architectures and cars.

The three states of the SN75471P are active low, active high, and high-impedance. In active-low state, the SN75471P is enabled, and it transfers data in the low logic state. In active-high state, it is enabled and transfers data in the high logic state. In high-impedance state, the input buffer is disabled and the data is not transferred. This state is typically used to protect data lines from excessive current.

The SN75471P is designed to have an output impedance of 750 ohms and a propagation delay of 1.0µs. It is capable of handling voltages from 5V to 15V in TTL logic. The input and output lines are connected to a microprocessor\'s data bus and/or address bus, allowing for data to be transferred from one bus to the other.

The working principle of the SN75471P is based on the transfer of data between two data buses. When two signals are present on the input data bus, the SN75471P device, which is connected to the output bus, will select the high signal and transfer it to the output bus. When only one signal is present, the SN75471P will select the low signal and transfer it to the output bus. This allows for bi-directional data transfer between buses.

The SN75471P is used in a variety of applications, such as computer architectures, car systems, memory controllers, programmable controllers, and communications systems. It can be used to buffer data and provide interface between buses and other logic devices. In addition, it can be used to place a logic device into a high-impedance state, which is useful for preventing data lines from shorting or becoming overloaded. This helps to protect the data lines and prevents data corruption.

The SN75471P is a versatile device that is capable of handling a variety of data transfer and interface applications. It is easy to use and is widely available. It is an effective way to interface and buffer data between two data buses.

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