SN74LV244ATDW

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The SN74LV244ATDW is a logic device, specifically part of the Buffers, Drivers, Receivers and Transceivers family. It is a low-voltage 3-state buffer with Schmitt-trigger inputs that is designed for data and address bus interface applications. It is used in high-performance memory decoding, bus interface, and port-expansion applications. It provides data transmission capability between buses of different voltages and features higher speed than the SN74LS244 due to internal Schmitt-trigger action at the input.The SN74LV244ATDW is a 3-state buffering device (one of the components in the Buffers, Drivers, Receivers and Transceivers family of logic) which is used to control bus-interfacing. It is a non-inverting octal bus transceiver manufactured using low voltage CMOS technology, that allows interfacing between two buses of different voltages, allowing transmission of data between systems and networks running at different logic levels.The SN74LV244ATDW can be used in a number of applications such as memory decoding, bus interface, data transmission, port-expansion and signal-transforming. It comprises of two octal buffers with Schmitt-trigger inputs and 3-state outputs, providing lower voltage operation and higher speed than the regular SN74LS244. The device offers highly-responsive Schmitt-trigger inputs which helps in eliminating noise and increasing the performance of the system. This feature also helps filter out any interference/glitches and hence reduce the possibility of false triggering. It has an on-chip 45 mA sink/source current capability, thus requiring no external pull-up or pull-down resistors.The SN74LV244ATDW incorporates an internal Bus Hold circuitry which keeps the last data line on its outputs (when the device is disabled). This ensures that the inputs have valid data even though the enable signal is released. The device is also equipped with power-on reset capability for both input and output stages, i.e. the output of the device will remain in tristate as long as VCC is below its minimum voltage operation, thus providing protection against power surges.The SN74LV244ATDW has a low power-dissipation and can operate down to 1.65V. It also has a very low input and output leakage current which ensures low power consumption. The device is designed with the ESD circuit to provide protection against electrostatic discharge.In summary, the SN74LV244ATDW is a low voltage 3-state buffer with Schmitt-trigger inputs, which is designed for data and address-bus interface applications. It allows interfacing between buses of different voltages, thus enabling data transmission. It features a low power-dissipation, ESD protection and offers higher speed than the regular SN74LS244 device.

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