Wikipediaorgwikikeyboardtechnologyotherpartsofthepckey

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Unformatted text preview: analyze a synchronizer for keyboard input. Assume we are using 74LS74 flip ­flops which have ! = 1.5 ns and T0 = 0.4 s. According to Wikipedia, keyboards use an 8408 or similar processor1. The 8408 runs at 11 MHz2. Advanced typists can type at over 120 words per minute (WPM) where a word is defined as 5 characters3. 1 http://en.wikipedia.org/wiki/Keyboard_technology#Other_parts_of_the_PC_keyboard 2 http://home.mnet ­online.de/al/...
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This note was uploaded on 01/22/2014 for the course ECE 2300 taught by Professor Long during the Fall '08 term at Cornell.

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