SN74LV541ADGVRE4

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The 74LV541ADGVRE4 from Texas Instruments is an octal bus transceiver with non-inverting 3-state bus-oriented outputs. It is a high-performance device intended for use in high speed and low-voltage circuits. The device helps optimize the number of interface ICs and speed up overall system performance.

The 74LV541ADGVRE4 is a member of LHGR family of logic ICs which are based on a high-performance CMOS process. These scalable ICs are designed and optimized for a wide variety of applications including peripheral drivers, data buffers, Interface Controllers, transceiver, octal bus drivers and I/O Data Balancer1.

Application Field

The 74LV541ADGVRE4 finds applications in different types of digital systems such as high speed and low-voltage circuits. The octal bus transceiver is an ideal solution for expanding the number of connection points on digital systems which require high-speed performance, such as in computers and data communication equipment. It can also be used in various automotive applications, system-level I/O interfaces, or communications networks.

Working Principle

The 74LV541ADGVRE4 is an 8-bit bidirectional bus transceiver designed with two separate output enable pins (O/E and O/E-bar). It is designed to perform data transmission in both directions with respect to data bus and is capable of transferring data at true TTL speeds. The IC contains two independent tri-state register that transmit and receive data with separate input/output enable pins. The direction of the data flow is selected by an active low control signal, which is applied to the O/E (output enable) and O/E-bar (output disable) control pins. When the control signal is low, the output is enabled, and the data from the output register is sent to the data bus. When the control signal is high, the output is disabled and the data from the input register is sent to the data bus.

The 74LV541ADGVRE4 also contains eight flip-flops, which can be used for latching data. These flip-flops can be enabled/disabled by the R/S (reset) and C/S (clock) inputs. The C/S input is used to latch the data on each clock falling edge. The device can also be used as a latch by setting the O/E and O/E-bar input pins to high-impedance, which disables the output.

The 74LV541ADGVRE4 also contains a latch enable input (LE). LE is used to enable or disable the latching of the data by the flip-flop. This input feature is useful in applications where the output data needs to be latched, but the logic state of the data must not be changed. This feature allows more flexibility and easier control of the data flow on digital systems.

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