HD74HC1G66
Rev.8.00, Jan.27.2004, page 6 of 8
Test Circuit
V
OUT
+
–
V
CC
V
CC
GND
(ON)
V
V
C
= V
IH
V
IN
= V
CC
•
R
ON
1.0 mA
V
IN-OUT
R
ON
=
10
–3
(Ω)
V
IN-OUT
GND
(OFF)
A
V
C
= V
IL
V
C
= V
IL
V
IN
= V
CC
or GND
V
IN
= V
CC
or GND
V
CC
V
CC
V
CC
V
CC
V
OUT
= GND
or V
CC
V
OUT
OPEN
GND
(ON)
A
•
I
S
(off), I
S
(on)
GND
(ON)
V
C
= V
IH
V
IN
V
IN
V
CC
t
PLH
t
PHL
V
CC
V
CC
V
OUT
V
OUT
R
L
=
10 k
Ω
C
L
=
50 pF
V
OL
V
OH
GND
90% 90%
50%
50%
50%
50%
10%
10%
•
t
PLH
, t
PHL
t
r
= 6 ns
t
f
= 6 ns
