SN74LVC240ADBR

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The SN74LVC240ADBR is a high-speed noninverting octal buffer and line driver. It is a member of the Texas Instruments Low Voltage CMOS family and is widely employed in applications where high speed, low power dissipation and low noise are required. It offers a guaranteed propagation delay of 4ns, maximum power dissipation 140mW, and low input current of I_IOH<0.4uA (I_IOL<2uA). This logic family is compliant with ESD requirements of the JEDEC Standard JESD22-A114, and is characterized for operation from -40°C to 85°C.

The SN74LVC240ADBR is essentially a buffer drive line; it accepts a digital input signal and transmits the same output without inversion. All the input and output pins have buffered active-low enable pins which can be used to enable or disable the device. The buffered enable allows the SN74LVC240ADBR to be used in applications that require smaller numbers of gates connected in series. The device is useful in high-current applications and thus is used as a low-side driver or as a line driver, where it can be designed to achieve higher speeds (up to 4ns).

The SN74LVC240ADBR has a wide range of applications in communications, industrial automation, medical and automotive applications. It is especially useful in high-speed applications such as Ethernet, USB 2.0, USB 3.0 and Fibre Channel data transfer. It is popularly used in systems that transfer large data quickly, such as servers, computers, and digital wireless TV. The buffer can also be employed in file transfer and broadcasting systems, timing and data synchronisation, cable multiplexers and optical fibre networks.

The working principle of the SN74LVC240ADBR is based on the voltage level controlling the high speed data transmission. It receives the data in the form of input pulses, buffers the pulses, and then transmits the same pulses without inversion at the output. The buffered enable pin allows the device to be enabled or disabled. The buffered enable pin also allows the user to control the data transmission rate. The device is designed to work with both 3.3V and 5V power supplies.

The SN74LVC240ADBR is an ideal choice for high speed applications requiring low power dissipation, low noise, and enhanced acoustic noise insulation. Its wide range of applications make it an effective and reliable solution to many logic design problems.

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