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ICS5342

Part Number	ICS5342
Manufacturer	Integrated Circuit Systems
Description	16-Bit Integrated Clock-LUT-DAC
Published	Sep 7, 2009
Detailed Description	www.DataSheet4U.com ICS5342 GENDAC 16-Bit Integrated Clock-LUT-DAC General Description The ICS5342 GENDAC is a combina...
Datasheet	ICS5342 PDF File

Overview

www.
DataSheet4U.
com ICS5342 GENDAC 16-Bit Integrated Clock-LUT-DAC General Description The ICS5342 GENDAC is a combination of dual programmable clock generators, a 256 x 18-bit RAM, and a triple 8-bit video DAC.
The GENDAC supports 8-bit pseudo color applications, as well as 15-bit, 16-bit, and 24-bit True Color bypass for high speed, direct access to the DACs.
The RAM makes it possible to display 256 colors selected from a possible 262,144 colors.
The dual clock generators use Phase Locked Loop (PLL) technology to provide programmable frequencies for use in the graphics subsystem.
The video clock contains 8 frequencies, all of which are programmable by the user.
The memory clock has two programmable frequency locations.
The three 8-bit DACs on the ICS5342 are capable of driving singly or doubly-terminated 75Ω loads to nominal 0 - 0.
7 volts at pixel rates up to 135 MHz.
Differential and integral linearity errors are less than 1 LSB over full temperature and VDD ranges.
Monotonicity is guaranteed by design.
On-chip pixel mask register allows displayed colors to be changed in a single write cycle rather than by modifying the color palette.
ICS is the world leader in all aspects of frequency (clock) generation for graphics, using patented techniques to produce low jitter video timing.
Features • • • Triple video DAC, dual clock generator, and 16 bit pixel port Dynamic mode switch allows switching of color depth on a pixel by pixel basis 24 (packed and sparse), 16, 15, or 8-bit pseudo color pixel mode supports True Color, Hi-Color, and VGA modes High speed 256 x 6 x 3 color palette (135 MHz) with bypass mode and 8-bit DACs Eight programmable video (pixel) clock frequencies (CLK0) DAC power down in blanking mode Anti-sparkle circuitry On-chip loop ﬁlters reduce external components Standard CPU interface Single external crystal (typically 14.
318 MHz) Monitor sense Internal voltage reference 135 MHz (-3), 110 MHz (-2) & 80 MHz (-1) versions Very low clock jitter Two lat...

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