Description:The FCT388915T uses phase-lock loop technology to lock the frequency and phase of outputs to the input reference clock. It provides low skew clock distribution for high performance PCs and workstations. One of the outputs is fed back to the PLL at the FEEDBACK input resulting in essentially zero delay across the device. The PLL consists of the phase/ frequency detector, charge pump, loop filter and VCO. The VCO is designed for a 2Q operating frequency range of 40MHz to f2Q Max. The FCT388915T provides 8 out
The recommended operating voltage range for the 74FCT388915TCJG is 4.5V to 5.5V, with a typical voltage of 5V.
The 74FCT388915TCJG has a thermal pad on the bottom of the package, which should be connected to a thermal ground plane or a heat sink to dissipate heat. Additionally, ensure good airflow around the device and avoid blocking the thermal pad.
The maximum clock frequency supported by the 74FCT388915TCJG is 100 MHz, but this may vary depending on the specific application and system design.
To ensure signal integrity, use controlled impedance traces, minimize trace lengths, and use termination resistors as necessary. Additionally, follow good PCB design practices, such as using a solid ground plane and avoiding signal traces near the thermal pad.
The 74FCT388915TCJG is a Fast CMOS (FCT) device, which is compatible with other 5V CMOS logic families, such as the 74HC and 74HCT families. However, it may not be directly compatible with 3.3V or 1.8V logic families without level translation.
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74FCT388915TCJG Overview
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