Dual Video and Memory Clock Generator VGA-XGA 135MHz DIP-20

The dot clock generator is an integrated dual phase-locked loop frequency synthesizer capable of generating 16 video dot clock frequencies and 8 memory clock frequencies for use with high performance video display systems.

Features

• World standard ISC2494A reconfigured to allow 8 memory frequencies
• Mask-programmable frequencies
• Pre-programmed versions for Industrial Standard VGA chips
• Glitch-free frequency transitions
• Provisions for external frequency input
• Internal clock remains locked when the external frequency input is selected Buffered XTAL out
• Fast acquisition of selected frequencies, strobed or non-strobed
• DIP-20