Skip to content
UPEEC

Encoders and Decoders

Decoders turn an n-bit code into one of 2ⁿ outputs; encoders do the reverse.

Easy
Comments 0
  • 3-to-8 decoder (74HC138): activates one of eight outputs — used for memory chip-select.
  • BCD-to-7-segment decoder (CD4511): drives a numeric display.
  • Priority encoder (74HC148): outputs the code of the highest-priority active input — used in interrupt controllers.

Spotted a mistake or want to add detail? Suggest an improvement — Content Contributors' edits are reviewed by editors before they go live.

Discussion (0)

Sign in or join free to ask questions and discuss this topic.