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Altera_Forum
Honored Contributor
16 years agoHow to run crystal??
I have The Connor-Winfield CS-023 3.2x2.5mm Surface Mount Crystal.It has 4 pins.Datasheet shows to ground 1,4 pins.I have read somewhere that for 4 pin crystal one dnt need an external electronic...
Altera_Forum
Honored Contributor
16 years agoYes, it's a crystal, not a crystal oscillator. The latter is used mostly as a FPGA/CPLD clock. To run the crystal, you need an unbuffered inverter and load capacitors, typically also a series resistance to adjust the drive level.