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SAA7186 Datasheet(PDF) 3 Page - NXP Semiconductors |
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SAA7186 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 44 page May 1993 3 Philips Semiconductors Preliminary specification Digital video scaler SAA7186 1 FEATURES • Scaling of video picture windows down to randomly sized windows • Processes maximum 1023 pixels per line and 1023 lines per field • Two-dimensional data processing for improved signal quality of scaled video data and for compression of video data • 16-bit YUV input data buffer • Interlace/non-interlace video data processing and field control • Line memories in Y path and UV path to store two lines, each with 2 × 768 × 8 bit capacity • Vertical sync processing by scale control • Non-scaled mode to get full picture or to gate videotext lines • UV input and output data binary/two’s complement • Switchable RGB matrix and anti-gamma ROMs • 16-word FIFO register for 32-bit output data • Output formats: 5-bit and 8-bit RGB, 8-bit YUV or 8-bit monochrome 2 GENERAL DESCRIPTION The CMOS circuit SAA7186 scales and filters digital video data to randomly sized picture windows. YUV input data in 4:2:2 format are required (SAA7191B source). 3 QUICK REFERENCE DATA 4 ORDERING INFORMATION SYMBOL PARAMETER MIN. TYP. MAX. UNIT VDD supply voltage 4.5 5 5.5 V IDD tot total supply current (inputs LOW, without output load) - - 180 mA VI data input level TTL-compatible VO data output level TTL-compatible LLC input clock frequency - - 32 MHz Tamb operating ambient temperature range 0 - 70 °C EXTENDED TYPE NUMBER PACKAGE PINS PIN POSITION MATERIAL CODE SAA7186 100 QFP plastic SOT317-2 |
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