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TLC34058 Datasheet Color Palette

Manufacturer: Texas Instruments

Overview: TLC34058 256 × 24 COLOR PALETTE • LinEPIC™ 1-µm CMOS Process • 125-MHz Pipelined Architecture • Available Clock Rates . . . 80, 110, 125, 135 MHz • Dual-Port Color RAM 256 Words x 24 Bits • Bit Plane Read and Blink Masks • EIA RS-343-A Compatible Outputs • Functionally Interchangeable With Brooktree® Bt458 SLAS050 – D3961, NOVEMBER 1991 • Direct Interface to TMS340XX Graphics Processors • Standard Microprocessor Unit (MPU) Palette Interface • Multiplexed TTL Pixel Ports • Triple Digital-to-Analog Converters (DACs) • Dual-Port Overlay Registers . . .

General Description

The TLC34058 color-palette integrated circuit is specifically developed for high-resolution color graphics in such applications as CAE/CAD/CAM, image processing, and video reconstruction.

The architecture provides for the display of 1280 × 1024 bit-mapped color graphics (up to 8 bits per pixel resolution) with 2 bits of overlay information.

The TLC34058 has a 256-word × 24-bit RAM used as a lookup table with three 8-bit video D/A converters.

Key Features

  • such as high-speed pixel clock logic minimize costly ECL interface. Multiple pixel ports and internal multiplexing provide TTL-compatible interface (up to 32 MHz) to the frame buffer while maintaining sophisticated color graphic data rates (up to 135 MHz). Programmable blink rates, bit plane masking and blinking, color overlay capability, and a dual-port palette RAM are other key features. The TLC34058 generates red, green, and blue signals compatible with EIA RS-343-A and can drive, without ext.

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