VT8225 - ETC

VT8225 Clock Generator

The VT8225 is a universal clock generator for motherboard design. The product at a glimpse: 1. Generates all kinds of required clocks for CPU and bus operation from 6 Mhz to 80 Mhz. 2. Eliminates at least two oscillators, which are oscillators for CPU and 14.318MHz oscillator. 3. Simplifies inventory: VT8225 covers required main clock for the motherboard des.

Features

∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ 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 14 pin DIP and 14 pin SOIC (300 mil body) package options Description The VT8225 is a universal cl.