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)