CY74FCT244TQCT

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CY74FCT244TQCT is a FCT244TQCT device used in logic applications. It is a Logic - Buffers, Drivers, Receivers, Transceivers device.

The CY74FCT244TQCT device is an octal buffer/driver which is designed to be used with low voltage systems. The device is powered by 5V and outputs are open-drain, supporting up to 24V for active low signals. It has high current drive capability due to the P-channel enhancement-mode MOSFETs used. The CY74FCT244TQCT has two separate sets of control inputs, A0-A3 and B0-B3. The device has 8 buffered outputs which are enabled by both A and B inputs.

This device has various applications in the logic field. It is used as a level translator, an octal bus transceiver, or as a buffer or driver. In large systems, the CY74FCT244TQCT can be used to provide bidirectional level translation between two logic families with different logic thresholds. This also reduces system power dissipation by reducing the amount of power needed to drive the line. The device can also be used as an octal bus transceiver, providing bidirectional dataflow between two separate busses. It can also be used to isolate noise on the bus from one line to another.

The CY74FCT244TQCT has the following features:

• 2.0-6.0V CMOS VCC, 24V IOL output drive
• Two quad control inputs, A and B, with independent maskable latches, for active LOW output
• Open-drain output for maximum DC compatibility, sinking up to 64mA
• High-performance bus-hold circuit holds bus at valid logic level

The CY74FCT244TQCT has the typical working principle of a CMOS octal buffer. The device is constructed using a P/N-channel MOSFET as the main driver transistor. The device is powered by 5V and outputs are open-drain, supporting up to 24V for active low signals. The device is composed of four logic blocks, each comprising two buses of four-bit logic circuits and a bus-hold circuit. Each block is made of two circuit components - a P-channel MOSFET and an N-channel MOSFET. The two P-channel MOSFETs form an AND-OR gate, which is used to control the output voltage. The two N-channel MOSFETs connect the output voltage with the input voltage, forming a non-inverting buffer circuit. The two P-channel MOSFETs and two N-channel MOSFETs form the basic logic element for the buffer circuit.

CY74FCT244TQCT device is an octal buffer/driver which is suitable for use in low voltage circuit, providing good flexibility and high performance. Its bus hold feature helps to maintain valid logic voltage level, thus improving system performance and noise immunity. Its wide range of applications and its easy integration make CY74FCT244TQCT device an ideal choice for a wide range of design and industrial applications.

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