DSA00198701.pdf by austriamicrosystems AG

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3-8 decoder 74138 4017 application notes 4017 counter IC datasheet 74138 ic datasheet 7490 national 74HC125 74HC138 AN-3010 AN2201 AN2202 AN2203 AN3010 AN3020 AN3021 as2531 AS2532 AS2533 AS2536 AS253X AS253x Single Chip Telephone Interface for keyboard AS25xx AUSTRIA MIKRO SYSTEME INTERNATIONAL cmos 4004 data sheet ic 74138 datasheet IC 74138 datasheet of IC 7490 IC 4009 ic 4017 date IC 4033 pin configuration IC 4047 ic 4075 datasheet ic 74138 ic 74138 datasheet ic 7490 ic 7490 data sheet ic 7490 description IC 7490 pin configuration ic cmos 4080 IC decoder 4081 ic pin configuration 74138 in 4009 diode key board interface with 8051 keyboard matrix using 8051 IC MF 4083 MT 7930 MT 7930 application notes of ic 74138 pin configuration of IC 74138