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TVP3409 Datasheet PDF - Texas Instruments

Part NameDescriptionManufacturer
TVP3409 Video Interface Palette True-Color CMOS RAMDAC TI
Texas Instruments TI
Other PDF  no available.
TVP3409 Datasheet PDF : TVP3409 pdf   
TVP3409 image

Introduction
The TVP3409 is intended to be a direct replacement for the ATT20C409 RAM digital-to-analog converter (RAMDAC). The TVP3409 RAMDAC supports 8-bit multiplexed operation that can be input on 16 pixel terminals. The TVP3409 retains register compatiblity with the ATT20C498 and ATT20C499 devices.

Features
• Functionally Interchangeable with ATT20C409
• 170/135 MHz (0.8 µm CMOS)
    – 170 MHz 2:1 Multiplex 8-Bit Pseudocolor
    – 73 MHz True Color
• 16-Bit Pixel Port Usable as an 8-Bit Port
    – Compatible With ATT20C490 Using P(7–0)
    – Compatible With ATT20C498 Using P(15–0)
• 9 Software Selectable Color Modes
    – 24-Bit Packed Pixel
    – 24-Bit True Color
    – 8-Bit Pseudocolor
• Dual Programmable Clock Synthesizers
    – Pixel Clock and Memory Clock
    – Reset to 28.322-MHz and 25.175-MHz VGA Frequencies
    – Strobe Input Latches Frequency Select Lines
• On-Chip PLL Clock Doubler
    – 85 MHz input
    – 170 MHz Pixel Output
• 2:1 and 1:1 Pixel Multiplexing
• Power Dissipation of 1.19 W at 135 MHz Typical
• 256 × 24 Color RAM
• Triple 8-Bit Monotonic Digital-to-Analog Converters (DACs)
• Software Compatible With the AT&T ATT20C498/499/409
• 68-Terminal Plastic Leaded Chip Carrier (PLCC) Package

Applications
• Performance Available With 2M-Byte Frame Buffer (noninterlaced)
    – 1600 × 1280 Resolution, 8 Bits/Pixel, 60 Hz
    – 1024 × 768 Resolution, 16 Bits/Pixel, 100 Hz
    – 800 × 600 Resolution, 24 Bits/Pixel, Unpacked, 75 Hz
    – 800 × 600 Resolution, 24 Bits/Pixel, Packed, 110 Hz
• Additional Performance Available With 3M-Byte Frame Buffer (noninterlaced)
    – 1280 × 1024 Resolution, 16 Bits/Pixel, 60 Hz
    – 1024 × 768 Resolution, 24 Bits/Pixel, Packed, 67 Hz
• True-Color Desktop, PC Add-in Card
• X-Windows Terminals
• Green PCs

 

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