DESCRIPTION:

The IDT74FCT3907 Clock synthesizer is built using advanced dual metal CMOS technology. This device uses a 14.31818 MHz crystal input to synthesize the various motherboard clock frequencies.

FEATURES:

• 0.5 MICRON CMOS Technology

• Generates keyboard, floppy disk, system reference, PCI and CPU clocks

• 6 copies of PCI clock & 4 copies of CPU clock available

• 14.31818MHz crystal input

• CPU clock output skew <250ps Bus clock output skew <500ps

• 0.03 output frequency accuracy

• Power-on reset

• Selectable CPU clock frequency (50/60/66.66MHz)

• Internal loop filter

• VCC = 3.3 ±0.3V

• Available in 28 pin SOIC

• Supports Pentium™ processor based designs

• Meets Intel Pentium™ processor 3.3V Clock Driver specification (External Draft 1.0)