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LC7940YD Fiches technique(PDF) 1 Page - Sanyo Semicon Device |
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1 / 11 page LC7940YD,7941YD SANYO Electric Co., Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 63099RM (ID) No. 6158—1/11 Ordering number: EN 6158 s Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. s SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. CMOS IC Dot-matrix LCD Drivers Overview The LC7940YD and LC7941YD are segment driver ICs for driving large, dot–matrix LCD displays. They read 4– bit parallel or serial input, display data from a controller into an 80–bit latch, and then generate LCD drive signals corresponding to that data. The LC7940YD and LC7941YD feature mirror–image pin assignments, allowing them to be used together to increase component density. They are designed to be used with the LC7942YD common driver to drive large LCD panels. Features • 80 built–in LCD display drive circuits • 1/8 to l/128display duty cycle • Serial or 4–bit parallel data input • Chip disable for low power dissipation for large–sized panels • Bias supply voltags can be supplied externally • Operating supply voltage and ambient temperature - 2.7 to 5.5 V logic supply ( VDD) at Ta = –20 to +85°C - 8 to 20V LCD supply (VDD – VEE ) at Ta = –20 to +85 °C • CMOS process • 100–pin flat plastic package Package Dimensions unit: mm 3180–QIP100D Specifications Absolute Maximum Ratings at Ta = 25 ± 2°C, VSS = 0 V [LC7940YD, LC7941YD] 21.6 0.8 0.15 2.15 0.3 100 130 31 50 51 80 81 1.6 0.575 20.0 23.2 0.65 SANYO : QFP100D (QIP100D) Parameter Symbol Ratings Unit Logic supply voltge VDD max –0.3 to +7.0 V LCD supply voltage, See Note below. VDD – VEE max 0 to 22 V Input voltage VI max –0.3 to VDD + 03 V |
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