{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

lec12 - ENGR 111 Lecture 12 Reading Class notes Review of...

Info icon This preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
ENGR 111 Lecture 12 Reading: Chapters 22, 27 Class notes
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Review of last lecture z Truth table –complete representation { Simple method for checking logic equivalence { Allow sum-of-products logic realization z Logic gates are used to build circuits z Basic logic rules allow logic simplification { Reduces the circuit complexity z Combinational circuits –no memory z Today’s lecture – memory elements
Image of page 2
SR latch
Image of page 3

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
SR latch z The current output depends on previous state (for inputs 11) z Remembers old state
Image of page 4
Transparent latch z Only allows SR inputs that differ z When Enable = 1, Q = D, else Q(new) = Q(old)
Image of page 5

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon