74ACT11543DWRE4

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74ACT11543DWRE4 Application Field and Working Principle

The 74ACT11543DWRE4 is a highly advanced logic device which is categorized under Buffers, Drivers, Receivers, Transceivers. It is a part of ACT family from renowned manufacturer Texas Instruments. This device is having a 4-Bit 3-State Non Inverting Buffer/Driver. It functions to provide logic level conversion in a system which is operated at more than one voltage level. This IC is capable of transmitting and receiving data between two nodes with different logic levels.

Features and Benefits:

• High Noise Immunity
• Low Input and Output Capacitance
• High Output Current Drive
• Extended VCC Range
• Low Input and Output Leakage Currents
• Low Duty Cycle Distortion
• High Output Drive Capability

Applications:

The 74ACT11543DWRE4 is used in a variety of applications such as,

• Servers and Data Networks.
• Gigabit Ethernet applications.
• Industrial Automation.
• Communication systems.
• Level shifters.
• Automotive applications.
• General purpose logic.

Working Principle:

The 74ACT11543DWRE4 Logic Buffer/Driver has a 4-bit bidirectional buffer which features three-state output. This helps to minimize the number of logic ICs included in a system. This IC can be utilized to isolate two systems of different voltage levels to provide transfer of data without propagating noise. 74ACT11543DWRE4 has native bus holds which assist in driving the bus line to a high-impedance level, allowing data to be transferred. The IC is designed to supply a high drive capability and expression of truth levels of 3 Volts, 2.5 Volts, 1.8 Volts and 1.5 volts. The output enable pin feature enables one logic IC to drive many ICs with various output levels.

The 74ACT11543DWRE4 provides a fast and low skew output enable condition. This condition is lowered by five times, allowing designers to build systems with greater speed. The circuit is designed with Schmitt triggers to reduce propagation delay time. This IC is fast to power up, as well as to power down, since it takes a very low-impedance shutdown path. The IC also features excessive input and output parasitic diodes clamping to avoid damaging the input port.

Conclusion:

The 74ACT11543DWRE4 is a device for optimizing data transfer and system speed in applications requiring level shifting or bus isolation. It is great for reducing board space and power consumption, by using a single IC to drive multiple ICs with various output levels. This IC is also reliable, as it has various design features ensuring the input and output port protection.

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