HD74HC1G66
Rev.8.00, Jan.27.2004, page 7 of 8
V
CC
V
CC
V
CC
t
ZH
t
ZL
t
HZ
t
LZ
V
CC
V
CC
V
CC
V
CC
V
CC
V
OH
V
OL
V
OUT
t
ZH
t
ZL
t
LZ
t
HZ
V
OUT
V
C
V
C
V
IN
GND
GND
Item S1 S2
C
L
=
50 pF R
L
=
1 kΩ
R
L
=
1 kΩ
GND
GND
90% 90%
50% 50%
50%
10%10%
Waveform - A
Waveform - B
GND
GND
GND
S1 S2
90%
50% 10%
•

t

ZH

, t

ZL

/ t

HZ

, t

LZ
t
r
= 6 ns t
f
= 6 ns
Notes: 1. Waveform - A is for an output with internal conditions such that the output is high
except when disabled by the output control.
2. Waveform - B is for an output with internal conditions such that the output is low
except when disabled by the output control.
GND
VIN = VCC
VCVC
VCC
VCC
VCC
VOUT
VOUT
RL =
1 kΩ
CL =
15 pF
GND
VCC/2

• Maximum control frequency

GND(OFF)VC = GND VCC
VCC
CIN/OUT CIN/OUT
CIN-OUT
• CIN/OUT, CIN-OUT