VT8225 - Clock Generator

The VT8225 is a universal clock generator for motherboard design.

1.

Generates all kinds of required clocks for CPU and bus operation from 6 Mhz to 80 Mhz.

• ∗ Generates essential clock signals for the motherboard ∗ 4V to 7V operating supply range ∗ Supports 80286, 80386 and 80486 based designs ∗ Wide range of selectable output frequencies ∗ < 2ns skew between CPU and 2X CPU clock outputs ∗ Single low cost crystal (14.318Mhz) used as reference frequency ∗ Smooth transition on frequency switching ∗ 50% duty cycle ∗ Power down mode for low power consumption ∗ TTL or CMOS compatible outputs with 12mA drive capability ∗ Low, short and long term jitter ∗.