TMC2272A Datasheet | Fairchild Semiconductor

..net .fairchildsemi. Digital Colorspace Converter 36 Bit Color, 50 MHz Features - 50 MHz (20ns) pipelined throughput - 3 Simultaneous 12-bit input and output channels (64 Giga {236} colors) - Two's plement inputs and outputs - Overflow headroom available in lower resolution - 10-bit user-defined coefficients - TTL patible input and output signals - Full precision internal calculation - Output rounding - On-board coefficient memory - Submicron CMOS process Applications - Translation between ponent color standards (RGB, YIQ, YUV, etc.) - Broadcast posite color encoding and decoding (all standards) - Broadcast posite color standards conversion and transcoding - Camera tube and monitor phosphor colorimetry correction - White balancing and color-temperature conversion - Image capture, processing and storage - Color matching between systems, cameras and monitors - Three-dimensional perspective translation Description A 50-MHz, three-channel, 36 bit (three 12-bit ponents) colorspace converter and color corrector, the TMC2272A uses 9 parallel multipliers to process high-resolution imagery in real time. The TMC2272A also operates at any slower clock rate and with any smaller data path width, allowing it to handle all broadcast and consumer camera, frame-grabber, encoder/ decoder, recorder and monitor applications as well as most electronic imaging applications. A plete set of three 12-bit samples is processed on every clock cycle, with a five-cycle pipeline latency. Full 23-bit (for each of three ponents) internal precision is provided with 10-bit user-defined coefficients. The coefficients may be varied dynamically, with three new coefficients loaded every clock cycle. (The full set of nine can be replaced in three clock cycles.) Rounding to 12 bits per ponent is performed only at the final output. This allows full accuracy with correct rounding and overflow headroom for applications that require less than 12 bits...