PI49FCT3805QEX

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The PI49FCT3805QEX is a 3.3V CMOS 1-to-8 FCT Bus Switch and Buffer specialized for temporally isolating asynchronous, clocked, and synchronized/de-synchronized buses, arrays and data streams. This device features a true low-skew (propagation delay) and phase-jitter-free performance, in compliance to the IEEE-1596 standard. This FCT (Fast Cycle Time) Bus Switch is designed to maximize system performance in the case of high frequency, parallel bus applications.

The PI49FCT3805QEX can be used in a broad range of applications, such as transceivers, graphics accelerators, serial interfaces, ASIC and IC designers, RAM designers, and system logic designers, to reliably protect sensitive circuitry from potential noise and/or timing misalignment on the bus. This device also includes a low signal skew of 1.5ns to ensure tight clock and signal alignment in high performance wired and wireless systems.

The FCT Bus Switch is used in clock and timing applications, allowing high-speed buffering and signaling of signals from a single clock input. The device supports high-speed buffering and also switches 8 differential pairs of clock signals simultaneously. The supported signal frequency range is from 2kHz to 400MHz, and its operating temperature range is -40C to +85C.

The PI49FCT3805QEX is built on an advanced, low-skew, low-jitter CMOS process. It supports 8 single-ended inputs, 4 single-ended outputs, and 8 differential clock inputs, and features simultaneously switched enable pins to reduce latency when enabling/disabling the device. The enable pins work with an active-low logic level.

The PI49FCT3805QEX operates with a single 2.5V power supply. It also includes an asynchronous master reset and quiet power-down feature. When the device is powered-down, the outputs turn off and can safely be connected to any voltage level. The device is efficiency-optimized, with low supply current, offering low power consumption.

The PI49FCT3805QEX working principle is based on signal buffering. It supports 8 single-ended inputs, 4 single-ended outputs, and 8 differential clock inputs that are individually propagated to the outputs. The device operates with a single 2.5V power supply and features an active-low enable pin that must be set high to enable the device. When this pin is set to low, all outputs are set to 0. The device also includes an asynchronous master reset feature that allows all outputs to be reset to 0.

The device can be used in a variety of applications that require accurate timing of the signals. The device is designed to minimize signal skew, which is important when buffering synchronous signals. The differential buffers enable the device to switch signals within a specified threshold voltage window, allowing it to support a wide range of signaling rates from 2kHz to 400MHz. The device is also optimized for low power consumption.

In summary, the PI49FCT3805QEX is a 3.3V CMOS 1-to-8 FCT Bus Switch and Buffer optimized for temporally isolating asynchronous, clocked, and synchronous/de-synchronous buses, arrays and data streams. The device is used in clock and timing applications, allowing high-speed buffering and switching of signals from a single clock input. It supports 8 single-ended inputs, 4 single-ended outputs, and 8 differential clock inputs, and features a true low-skew and phase-jitter-free performance, in compliance to the IEEE-1596 standard. It works with a single 2.5V power supply and features an active-low logic level that allows it to be powered off when not in use. It provides an optimal solution for buffering synchronous signals, and its low power consumption ensures efficient power management.

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