Tektronix 7704A User Manual

Circuit Description
-7704A
Service
Sym b ol
Α
:J~
Χ
Β
Α :-D_
Χ
Β
Β
Α --0
Β
Χ
Α JD_
Χ
Β
Description
Α device wit
h
two
or m o r e inpu ts
and o n e o utput
.
T
he output of t he
N A N D gate is L O
if an d only if all
of t he
i n
puts
a r e
at
t he Η Ι state .
Α d evice wit
h
two
or more inp u ts
and one output . T h e output
of t he
O R gate is ΗΙ if one or more
of t he
in pu ts are at t h e ΗΙ state .
Α d evice wit h two or more i n puts
and one out pu t . Th e out put of
t h e
N OR gate is L O if o n e o
r more of
t he i np uts are at t
he Η Ι state .
Α d evice with one i npu t and o
ne
o u t pu t . T h e o u t pu t state is
always
o pp osite to t h e in pu t state .
Α small circle at t
h
e
in pu t or
o u t p ut of α sym b ol in
d
icates
t h at
t he L O state is t h e sig
n ificant state .
A b se n ce of t he circle in
d icates t h at
t he HI state is t he sig n ifica
n
t
state .
Two exam p les follow :
A ND gate with LO-state
at t h e Α in pu t .
i nd icator
T he ou t pu t of t h is gate is HI
if a nd
only if t he Α in pu t is L O
and t h e Β
in pu t is
ΗΙ .
O
R gate with LO-state i nd icator at
t h e Α i n put :
T h e outp u t of t h is gate is HI if
eit h er t he Α in pu t is L O or t he Β
in put is ΗΙ .
Device
N AND gate
O R gate
N O R gate
I n verte
r
L
O-state
i nd icator
TA BLE 2-1 (cont
.)
I n pu t/Output Ta b le
I n put /O
u t put
I n put Out put
In pu t Out pu t
Input O
u
t
pu
t
Α Β
Χ
L O L O HI
L O HI HI
HI L O HI
Hl HI
L
O Ι
Α Β Χ
L O L O L O
L O Hl HI
HI L O HI
Hl HI HI
Ι
Α Β
Χ
L O L O
ΗΙ
L O HI
L O
HI
L O L O
HI
HI L O
Α Β Χ
L O L O
L
O
L O HI Hl
HI L O L O
HI Hl L O
In p ut
/Outp u t
Α Β Χ
L O
L O ΗΙ
L
O
ΗΙ HI
HI L O L O
HI HI
ΗΙ

Tektronix 7704A Specifications

General

Brand	Tektronix
Model	7704A
Category	Test Equipment
Language	English