SN74GTLPH1645ZQLR

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The SN74GTLPH1645ZQLR is a high-speed, low-voltage TTL–to-Low-Voltage-CMOS (LVCMOS) translator. It is typically used to allow 3.3V outputs to interface with 5V systems in areas such as communications and computing. As a level shifter, it also allows users to transfer data signals between two circuit nodes having different voltage dimensions. It falls into the Logic - Translators, Level Shifters category because of its ability to convert signals.

The SN74GTLPH1645ZQLR features auto direction sensing and can recognize low voltage operation in either high voltage or low voltage mode. This makes it well suited for applications such as communications equipment, computing, asynchronous transmission, and high speed control signal transfer. It is also capable of transferring data up to 8GHz with a signal rate of 5.4Gbps. The SN74GTLPH1645ZQLR also features a very low static power consumption of 2.7mW, making it suitable for signal level logic power supplies.

The SN74GTLPH1645ZQLR works by using two differential amplifiers arranged as two cascaded level shifters. When an input signal at TTL-level is presented, its output is reconstructed at the lower voltage of the LVCMOS level. The level shifter is equipped with a low-voltage sensing circuit and a substrate supply voltage as well as operational amplifier (op-amp) bias circuit. It allows full differential operations which means that a small signal of 0V to 0.75V is applied across the op-amp differential inputs, producing an output of 0V to 1V.

The SN74GTLPH1645ZQLR is one of the most popular level shifters available on the market. It is designed to have a low power consumption and can be used in high speed applications. It is also an excellent choice for applications needing data transfer and signal level logic power supplies. The SN74GTLPH1645ZQLR is available in a variety of packages, making it ideal for just about any application requiring level shifting.

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