74FCT621TSOG

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The 74FCT621TSOG by ON Semiconductor is a low voltage design dual bus transceiver featuring non-inverting 3-State outputs and designed for operation with 3.3 V supply. It is an important component within the extensive FCT family of ICs and offers high speed operation with very low static power dissipation. The component is ideal for both asynchronous and synchronous applications, such as high speed buffering, bus and system utilization, port expansion, and data bus communication.

The dual bus transceiver of the 74FCT621TSOG Synchronous Bus Transceivers implements non-inverting 3-state buffers. It transmits and receives signals at speeds up to 200MHz and features commonly used asynchronous handshaking techniques called READY, WAIT and ACK. The transceiver is characterized by low active power dissipation and low on-resistance.

The 74FCT621TSOG Synchronous Bus Transceiver is based on the gate oxide threshold voltage (Vth) logic signal specification. This ensures a low-noise and low-power device, with signal switching characteristics and signal integrity designed for high performance applications. The device can also operate at temperatures ranging from -55°C to 125°C.

The transceiver is designed to provide a simple yet effective communications interface between two buses in a variety of data transfer applications. In synchronous applications, the dual bus transceiver features fully adjustable data transfer capability that allow for various timing modes of operation. In asynchronous applications the READY, WAIT and ACK signals allow for a simple setup and control of the communications interface.

The input buffer of the dual bus transceiver is designed to accept TTL levels with a maximum Vth of 2.0 V, and the outputs are designed to source and sink TTL levels with a minimum Vth of 0.5 V. The device is offered in a small 20-lead plastic DIP or in a 20-lead SOIC package. The package also Features a low off-state leakage current and high performance over a range of supply voltages.

In summary, the 74FCT621TSOG Synchronous Bus Transceiver is an important component within the FCT family of ICs. It offers excellent low voltage design with non-inverting 3-State outputs and is characterized by low active power dissipation and low on-resistance. The device is ideal for both asynchronous and synchronous applications, and offers fully adjustable data transfer capability to allow for various timing modes of operation. The transceiver is offered in a small 20-lead plastic DIP or in a 20-lead SOIC package.

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