74ACTQ16543MTD

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The 74ACTQ16543MTD is a high-performance quad differential line transceiver designed for bidirectional data communication on multipoint transmission lines. This device operates from a single +3.3V power supply and utilizes advanced silicon-gate CMOS technology to achieve improved performance over current TTL logic devices. It is designed to improve the range and accuracy of digital data transmission, increase system noise immunity and reduce power consumption.

The 74ACTQ16543MTD provides differential line transceivers for RS-485 and other multipoint communications systems. It provides advanced features such as an adjustable slew rate, low distortion at high data rates, protection against initial power up transients, two output enable inputs, wide operating voltage range, and low power consumption. It is fully specified for operating rate and temperature, with a -40°C to + 85°C range.

In the 74ACTQ16543MTD, each differential line driver has active pull-up, active pull-down, tri-state output enable, and output slew rate controls. Each transceiver circuit also has a receive enable input to reduce its input impedance to enable it to receive data from multiple receivers. All data inputs and outputs comply with the stringent requirements of RS-485 and other systems.

To protect against ESD (electrostatic discharge) and other damaging voltage inputs, the 74ACTQ16543MTD has internal ESD protection circuits. The device is also designed for low power dissipation at high data rates, reduced electromagnetic interference, and improved noise immunity. All of these features make the 74ACTQ16543MTD a versatile and cost effective solution for high-speed data transmission applications.

The 74ACTQ16543MTD is designed to transition between logic low (0V) and logic high (3.3V) levels robustly and with minimal propagation delay. To ensure that the transition has minimal distortion, the 74ACTQ16543MTD has an adjustable slew rate control. This control allows the user to adjust the transition time between the logic low and logic high levels by varying the current applied to the internal transistors.

The 74ACTQ16543MTD is suitable for use in applications such as RS-485/422 communication systems, auto protocol and data link control, networking equipment, and switching power supplies. The device is also well suited for use in computer and paging systems, point-of-sale terminals, and distributed control systems.

The 74ACTQ16543MTD is a high performance, low power consumption, cost-effective device designed for bidirectional data transmission on multipoint transmission lines. It provides active pull-up, active pull-down, tristate output enable, adjustable slew rate control, receive enable inputs, low EMIs, and wide operating voltage range. The device is ideal for use in applications that require high data rate transmission and low power consumption. With its wide variety of features, the 74ACTQ16543MTD is the perfect solution for RS-485 and other multipoint communications systems.

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