SN74ABTH162245DL

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The SN74ABTH162245DL is a 16-bit high-speed non-inverting CMOS bus transceiver designed to support mixed bus voltage applications. It combines functionality from two devices, a two-channel 3.3V line receiver and a 1.2V line transceiver, into a single device, providing signal translations between 1.2V and 3.3V I/O buses.This device is designed for asynchronous communications of data bus rates from 1 megabit per second (Mbps) to 20 megabits per second (Mbps). It offers interface solutions for low-cost system architectures that utilize 3.3V and 1.2V I/O buses. The bus transceiver provides TTL/CMOS logic compatibility on both directions and features 2Mbps output slew rate control.

The SN74ABTH162245DL is categorized as a Logic - Buffers, Drivers, Receivers, Transceivers type device. As such, its primary application is to transmit and receive digital signals and convert them to the appropriate voltage level. It can be used in many critical applications, such as a bus switch to connect two buses at different voltages, such as 1.2V and 3.3V. It is also suitable for communication links, where low-power interrupts must be served quickly and efficiently.

The SN74ABTH162245DL employs a "Noninverting Buffer" configuration to provide highly reliable data transfers. The two input buffers, "A1" and "B1", each receive digital data from two different buses with different voltage levels. These signals are processed in the internal logic block which generates the appropriate output signals for each bus. The two control inputs, "OE1A" and "OE1B", decide whether the data received by the buffers is enabled or disabled. This allows the data to be disabled when no data needs to be transferred. The two output buffers, "A2" and "B2", are used to transmit the data to the appropriate bus.

The SN74ABTH162245DL is a multi-functional device that offers a wide range of features. It supports hot insertion, allowing a system to be connected without powering down the system. It also includes an internal low power control that reduces current consumption to approximately 1/10th of the active power. This device also features a high-speed output slew rate control that can be set to 2 Mbps. Additionally, the device offers protection against short circuits and electrostatic discharge, making it ideal for use in harsh operating environments.

The SN74ABTH162245DL is an ideal choice for mixed bus voltage applications that must be serviced quickly and reliably. It provides low-power control, hot insertion, signal translations between 1.2V and 3.3V I/O buses, and a range of protection features. Its high-speed output slew rate control allows for the efficient transfer of digital data between two different voltage buses.

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