SN74AC244DW

Series:	74AC
Packaging:	Tube
Part Status:	Active
Logic Type:	Buffer, Non-Inverting
Number of Elements:	2
Number of Bits per Element:	4
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	24mA, 24mA
Voltage - Supply:	2 V ~ 6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	74AC244

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Logic - Buffers, Drivers, Receivers, TransceiversSN74AC244DW is a type of device manufactured by Texas Instruments (TI). It belongs to the family of logic-buffers, drivers, receivers, transceivers. It has a wide range of applications in the consumer, industrial, automotive and military/aerospace markets. The SN74AC244DW is an 8-bit buffer/line driver with 3-state outputs. It has an output enable (OE) input for easy expansion of bus widths. It is an ideal choice for applications in which power consumption, speed and/or area are critical.The SN74AC244DW features a bus-hold circuitry which holds unused or floating data inputs to ensure that the outputs remain in a high-impedance state when K is tied low or floating. This improves the device\'s capability to interface with systems such as but not limited to those utilizing the Tri-State logic levels.The SN74AC244DW offers high-speed operation. It has a propagation delay of 10.8ns (a maximum of 15ns) and a power dissipation of 2.5W (Maximum). Further, the SN74AC244DW has an enable–disable propagation delay of less than 21 ns (Maximum) and enable–disable output transition times of less than 21 ns (Maximum). It also offers excellent EMI performance and a high noise immunity of 3.3V (Minimum).Moreover, SN74AC244DW is designed to be used in a wide range of environments. It operates in the temperature range of -40℃ to 85℃ (with derating). It works at a supply voltage of 3.3V to5V. Its package options include SOP and SOT. These packages are extremely durable and suitable for different end applications.The SN74AC244DW works on the principle of buffering, line-driving and three levels signal transmission. It uses a Non-Inverting buffer enabled by an active-low enable signal which is used to give high or low logic level at the output nodes. When the signal is not enabled, the output nodes remain in the high-impedance state so that the active-low enable control signal provides total isolation from the input signal. The signal transmission is based on a three-level signal scheme with an active low input signal (data) giving rise toEnable (K) signal, followed by the active low output signal (data). This allows for fast communication with other devices and ensures the correct level of logic is sent.Moreover, SN74AC244DW also works on the high-noise-immunity principle which makes it suitable for noisy digital environments. The internal design scheme of the device allows for higher noise immunity as the rise and fall times of the signal are reduced. This helps to reduce cross-talk and system EMI, making it suitable for applications in medical, aerospace and automotive fields.Overall, SN74AC244DW is a superior buffer/line driver with 3-state outputs by TI. It offers high-speed operation, low power consumption and improved noise immunity, making it suitable for applications in different environments. It allows for easy expansion of bus widths, making it suitable for applications like data bus interfacing with other peripherals. It is an ideal choice for various markets where power, speed and/or area are of utmost importance.

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