74AVCH16T245BQ,518

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The 74AVCH16T245BQ is a member of the Logic – Translators, Level Shifters family. This device is an 8-bit bus transceiver that provides level shifting between high-speed AVCC and slow-speed VCC for low voltage applications. It supports full voltage range operation and improved tolerance to supply noise.

The 74AVCH16T245BQ is designed to be used in many kinds of applications. It is commonly used in applications such as microprocessors, embedded systems, communication systems and control systems, among others. In microprocessors, it allows for a higher speed of data transmission between the central processing unit and the memory. In embedded systems, 74AVCH16T245BQ is used to provide the connectivity between different system components by providing access to I/O or memory interfaces. In communication systems, it is used to level shift between different voltages.

The operating principles of the 74AVCH16T245BQ are relatively straightforward. The device contains two bidirectional data buses that are connected to both AVCC and VCC supply voltages. The first data bus is connected to the higher speed AVCC, while the second bus is connected to the lower voltage VCC. When enabled by a Chip Enable (CE) signal, the device will shift data from the AVCC data bus to the VCC data bus. The shift from the higher voltage AVCC to the lower voltage VCC occurs through CMOS logic within the device.

When the CE signal is low, the device is in the low-power tri-state mode, and it will no longer transmit data. In order to shift the data from the high-speed AVCC to the slow-speed VCC, the transition from the low state to the high state must be done at the rising edge of the CE signal. This transition from low to high is referred to as the ‘Enable’ transition. The data will be shifted from AVCC to VCC when the transition is complete, and the data will be latched into the device. In order to shift the data back from VCC to AVCC, the transition must again be completed at the rising edge of the CE signal.

The 74AVCH16T245BQ also features a Read Enable (RE) input. When the RE is driven low, the device will enter a low-power tri-state mode and no data will be latched. When the RE is high, the data will be latched into the device.

The 74AVCH16T245BQ is capable of operating in both the low-voltage and high-voltage range. It is capable of operating with a range of 3.3V to 5.5V for AVCC and from 0.8V to 3.6V for VCC. The device architecture is designed to provide improved tolerance to supply noise, and the device is also capable of providing data transmission at up to 100 MHz in a bidirectional data bus.

The 74AVCH16T245BQ is a highly versatile and capable device for applications such as microprocessors, communication systems, embedded systems and control systems. Its high speed and low voltage capability makes it a popular choice in today’s applications, and its improved tolerance to supply noise makes it a great choice for applications in noisy environments.

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