74ACT11245PW

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The 74ACT11245PW is a quad tristate non-inverting buffer, part of a series of advanced high-speed CMOS logic devices manufactured by Texas Instruments. It provides a buffer function for TTL and other low-voltage digital systems. It operates from a 3.3V single power supply and has a high output drive capability capable of driving 10 low-power TTL inputs.

Application field

The 74ACT11245PW is most commonly used in automotive and industrial logic systems. In applications where multiple systems or devices need to share a common bus or data line, these tristate buffers provide an efficient and reliable method of multiplexing data, allowing multiple devices to communicate with the same data line. The 74ACT11245PW is also capable of driving 10 TTL low-power inputs, making it ideal for low voltage logic systems. The 74ACT11245PW also has several features that make it well suited for use in applications where power saving is important. It has a low power consumption of 2.5 mA maximum per output and typically consumes 70 percent less power than a standard 7400 series device.

Working principle

The 74ACT11245PW uses a three-state control circuit for its tristate logic. When the Enable input (EN) is at high logic level, the output is disabled and the TxA output transistors are off. This effectively puts the buffer into high Impedance (Hi-Z) state, isolating the output from the input and preventing any output current from flowing. When the Enable input (EN) is at low logic level, the outputs are enabled and will reflect the input level of the InA input. The 74ACT11245PW is a quad buffer which means that it can accept and drive four separate logic lines at the same time. Each output line contains two transistors, one to drive the output high and one to drive the output low. The output transistors are controlled by the input logic level and the state of the Enable (EN) input.

The 74ACT11245PW also features high-speed switching and low power dissipation in an advanced CMOS process. Its high-speed switching helps reduce propagation delay times, which makes it suitable for high speed data transfer silmutaneously between multiple devices. The low power dissipation means that it can be reliably operated in environments where power saving is important. It operates from a single power supply (3.3V) and has a high output drive capability capable of driving 10 low-power TTL inputs. It offers improved noise immunity and allows for data transfer rates of up to 200 Mbps.

The 74ACT11245PW offers improved noise immunity and allows for data transfer rates of up to 200 Mbps. Its unique triple-gate CMOS design minimizes switching noise and allows it to be used in a variety of applications, including computer and telecommunications systems. The device also features very low stand-by current, making it very power efficient. It is easy to integrate with the other logic devices in the same family, since most of them share the same pinout.

In summary, the 74ACT11245PW is a quad tristate non-inverting buffer suitable for low voltage logic systems. It operates from a 3.3V single power supply and has a high output drive capability. It offers improved noise immunity and allows for data transfer rates of up to 200 Mbps. It is easy to integrate with the other logic devices in the same family, since most of them share the same pinout and provides a reliable method of multiplexing data in automotive, industrial and other logic systems.

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