SN74AVC20T245ZQLR

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The SN74AVC20T245ZQLR is a highly efficient integrated circuit belonging to a family of logic translators and level shifters. These devices enable communication between digital systems operating on different logic voltages and bus architectures. The SN74AVC20T245ZQLR lends itself to numerous applications such as digital level shifting to interface with the various logic systems over a wide voltage range, translating socket address lines, allowing multiple devices to be connected to a common buss, controlling levels of different types, and reducing setup and hold times. Connections for VCC and ground as well as input and output pins complete the package, and the integrated circuit is designed to be seen as a unit, taking up a minimum amount of board space.

The SN74AVC20T245ZQLR is a low voltage version of the popular translator/level shifter family. It is designed to interface logic signals from 1.8V to 3.6V and to translate them to a lower logic level for 3V or 5V applications. The SN74AVC20T245ZQLR works by providing an internal reference voltage which is used to control the output signal levels. When the output is high, the reference voltage is applied to the output pin and when the output is low, the voltage is pulled below the reference threshold. This is accomplished using NMOS/PMOS devices and logic gates, which are internal to the unit.

The SN74AVC20T245ZQLR’s performance is characterized by very low propagation delays and noise. In addition, it is highly tolerant to supply and output voltage noise, fluctuations, and various logic input combinations. Inputs are protected from over-voltage and over-current through the integrated circuit’s built-in current limiting features.

The SN74AVC20T245ZQLR is constructed on a 16-pin dual in-line or Quad Flat Pack package, and is designed for easy integration and minimal space requirements. The device is accessible through both single-ended and differential outputs, which can be accessed through standard PC traces, or connectors. The SN74AVC20T245ZQLR is a low cost solution for a variety of applications, and its features make it ideal for interfacing with different logic levels and bus architectures.

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