74LCXR162245MTX

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74LCXR162245MTX is a Logic-Buffers, Drivers, Receivers, Transceivers device developed by Fairchild Semiconductor in 1991 and branded as the Qualcomm CLK-TIE IC (CLK-TIE – A Low Voltage CMOS Clock/Timer IC). It is a low-power, low-voltage (1.2V to 3.6V), single-chip device that contains a transmitter, a receiver, and an integrated logic buffer in one package. The device has the capability of sending and receiving both digital and analog signals over a single differential data pair.

The 74LCXR162245MTX has two channels, each of which transmits and receives data concurrently. The device supports a wide range of communication frequencies, including up to 4 Gb/s for each channel for data transmission, as well as up to 8 GHz for each channel for clock or control signal transmission. Additionally, the device has the ability to transmit data over long distances (up to 25m) at lower speeds (up to 621 Mb/s) when a lower power supply voltage of 1.8V or 2.5V is used.

The transmitter channel of the device uses the differential current mode logic (DCML) for data transfer. It supports high-speed logic levels (up to 4 Gb/s) as well as low-speed logic levels (up to 400 KHz). The receiver channel uses the differential voltage mode logic (DVML) for data transfer. The device supports high-speed logic levels (up to 8 GHz) as well as low-speed logic levels (up to 40 MHz). The device also supports dual-edge data transfer at up to 4 Gb/s. In addition, the device has an adaptive equalizer which ensures reliable data reception over long distances.

The integrated logic buffer in the device offers enhanced noise immunity, reduced power consumption, and improved signal integrity. It prevents over-saturation of the receiver due to excessive input current. The device also supports up to six power supply lines, allowing a wide range of supply voltages and enabling the use of 1.2V, 1.8V, 2.5V, 3.0V, or 3.6V Vcc supplies.

The device is equipped with a 240-MΩ termination resistor for data transfer and a 30-kΩ impedance for the serial clock or control signal transfer. Thus, ensuring the device is fully optimized for the best performance in any given application.

Overall, the 74LCXR162245MTX is an ideal choice for applications where low-power, low-voltage, reliable transmission over long distances is needed. The device is capable of transmitting high-speed data over long distances and also supports dual-edge data transfer. It offers low latency, noise immunity, and improved signal integrity, as well as expanded power supply options. Thus, making it a viable solution for many applications.

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