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SC3442 Datasheet(PDF) 1 Page - Silan Microelectronics Joint-stock |
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SC3442 Datasheet(HTML) 1 Page - Silan Microelectronics Joint-stock |
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1 / 20 page  SC3442 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.2 2007.04.17 Http: www.silan.com.cn Page 1 of 21 SCIENTIFIC 10-DIGITS CALCULATOR CIRCUIT DESCRIPTION The SC3442 is the CMOS LSI for a 10-digits display and the complete single chip for scientific calculator with 56 programmed functions. FEATURES * Display -- 10 display digits plus negative code digits. -- Scientific and engineering display. -- 8 mantissa digits plus 2 exponent digits plus 2 negative code digits. * 14 kinds of special display M Memory GRAD Gradient – Minus ( ) Parenthesis E Error BIN Binary mode 2ndF 2nd Function OCT Octal mode HYP Hyperbolic HEX Hexadecimal mode DEG Degree CMX Complex number mode RAD Radian STAT Statistic calculation mode * The minus sign of the mantissa is floating minus. * The arithmatic key operation has the same sequence as the mathematical equation, 6 pending operations are allowed and ( ) are up to continuous 15 levels. * Mutual conversion and calculation in arithmetic among binary, octal, decimal, and hexadecimal numbers. * One independent accumulating memory. * It is possible to convert and fix the display number system by the F →E key. ORDERING INFORMATION * It is possible to specify decimal part digits by the TAB key. * Direct drive for LCD (1/3 prebias, 1/4 duty) * Automatic power off (about 7.5 minutes) * Low power consumption VDD=3.0V single power supply. ABCOLUTE MAXIMUM RATINGS Characteristics Symbol Value Unit VDD -0.3 ~ +5.0 V Terminal Voltage VIN -0.3 ~ VDD+0.3 V Operating Temperature Topr 0 ~+40 °C Storage Temperature Tstg -55 ~ +125 °C |
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