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ICS9161A Dual Programmable Graphics Frequency Generator General Description The ICS9161A is a fully programmable graphics clock generator.
It can generate user-specified clock frequencies using an externally generated input reference or a single crystal.
The output frequency is programmed by entering a 24-bit digital word through the serial port.
Two fully userprogrammable phase-locked loops are offered in a single package.
One PLL is designed to drive the memory clock, while the second drives the video clock.
The outputs may be changed on-the-fly to any desired frequency between 390 kHz and 120 MHz.
The ICS9161A is ideally suited for a...

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