Elenco Understanding Logic Gates and Circuits Manual do Utilizador descarregar pdf (Página 36)

Quiz Answers

5. Using De Morgan’s laws, show how you can derive the S-R NAND gate circuit from the

S-R NOR circuit. Note that the outputs of an S-R NOR latch are the opposite of the S-R

NAND latch.

R

S

S-R NOR

=

R

S

=

R

S

=

R

S

=

R

S

S-R NAND

Q

Q

Q

Q

Q

Q

Q

Q

Q

Q

This shows that

outputs of S-R

NAND latch are

the opposite of

the S-R NOR

latch

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