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ICS5342, ICS5342-3(PLCC) D/C97, ICS5342J3

Table of contents:
Info of ICS5342
Info of ICS5342-3(PLCC) D/C97
Info of ICS5342J3

ICS5342, ICS5342-3(PLCC) D/C97, ICS5342J3 Selling Leads, Datasheet

MFG:ICS Package Cooled:PLCC D/C:N/A

ICS5342, ICS5342-3(PLCC) D/C97, ICS5342J3 Picture

ICS5342, ICS5342-3(PLCC) D/C97, ICS5342J3 Datasheet download

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Part Number: ICS5342

MFG: ICS

Package Cooled: PLCC

D/C: N/A

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ICS5342 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 75 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.

ICS5342 Maximum Ratings

Power Supply Voltage..............................................7 V
Voltage on any other pin...... GND 0.5V to V_DD+ 0.5V
Temperature under bias ...................... 40 to 85
Storage Temperature.......................... 65 to 150
DC Digital Output Current .................................. 25 mA
Analog Output Current ........................................45 mA
Reference Current.............................................15 mA
Power Dissipation ............................................... 1.0 W
Note: Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

ICS5342 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 latched frequency select pins or three non-latched frequency select pins (programmable)
• Hardware video checksum for manufacturing tests

ICS5342 Connection Diagram

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