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Logic - Buffers, Drivers, Receivers, Transceivers

The 74AC16244DLR is a member of the 74AC family of buffers, drivers, receivers and transceivers. This particular device is designed to offer high-speed data transmission in a wide variety of applications. This versatile logic device is capable of significant increases in data rates, compared to standard logic devices, when used in regulated environments.

Overview of the 74AC16244DLR

The 74AC16244DLR is a 4-bit bus buffer with registers. It is manufactured using advanced CMOS logic technology, and is formally known as a register transfer logic (RTL) device. This has a dedicated output register, allowing for clocked latching of buffered bus. The device also features a configurable data sense capability that allows for low power operation.

This device will typically operate from −1.5V to VCC + 0.3V. The “DLR” in the name is an acronym for “Data Latching Reg”. This indicates that the device features an output register, which allows for clocked latching of the output value.

Features

The 74AC16244DLR has several features that make it attractive for use in high-speed data transmission applications. These include:

• Wide operating temperature range: − 40°C to + 85°C
• Very low power dissipation: 4.0 mW max
• High speed: 6.2 ns max
• High current capability: 8mA max
• High speed data sensing

Applications

The 74AC16244DLR is designed for use in high-speed data transmission applications. It is commonly used in high-speed data buses, and as a bridge for signal level conversion. As a result of its low power consumption and wide operating temperature range, it is also used in low power and ruggedized applications.

It is typically used in applications such as:

• Computer networks
• Combinational and sequential circuit implementations
• Multi-media applications
• High-speed data transfer in automated test systems

Working Principle

The working principle of the 74AC16244DLR can be generally broken down into four steps:

• Step 1: The device is triggered by an input signal, either from one of the four data registers or from the clock input. When triggered, the 74AC16244DLR will acknowledge the input and begin the data transmission.
• Step 2: Data is then transferred from the input to the output registers. This is where the configurable data sense capability comes in to play. The device will sense the logic level of the incoming data and adjust its logic threshold accordingly.
• Step 3: Data is then passed through the output register and output to the data bus.
• Step 4: Data is then latched into the output register with the help of the clocking mechanism.

This process allows the device to quickly and accurately transmit data, which makes it well-suited for high-speed data transmission applications. Furthermore, the configurable data sense capability ensures that the device does not consume more power than is necessary.

Conclusion

The 74AC16244DLR is a versatile and powerful logic device, designed for use in high-speed data transmission applications. Its advanced CMOS technology, wide operating temperature range, and low power consumption make it ideal for low power and ruggedized applications. In addition, its configurable data sense capability ensures that it consumes only the amount of power needed for the task at hand. The 74AC16244DLR is a powerful and reliable device that is well-suited for a variety of tasks.

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