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This document describes the design of an 8x3 encoder circuit to display patient ward numbers on a 7-segment display. It evaluates different encoder ICs and selects the 74LS147D priority encoder as most suitable. This IC handles priority encoding where the most significant input takes priority. It is used with NOT gates so the 7-segment display shows numbers starting from 1 instead of 0. Simulations show the 74LS147D encoder correctly outputs binary codes to light up the correct segments on the 7-segment
- Author
- Rashmika Uluwatta
- Language
- EN