HD74LV2GT66A
Rev.2.00, Oct.17.2003, page 7 of 9
VCC
VCC
GND
(ON)
V =V
CIH
V
IN V
OUT
C =
15 or 50 pF
L
• t ,tPLH PHL
V
OL
V
OH
VI
GND
tf
tr
90% 90%
Vref Vref
50% 50%
tPLH tPHL
10%10%
V
OUT
V
IN
VCC (V) Vref
tr / tf
3.3±0.3 2.5 V
VI
INPUTS
50%
1.5 V3 V5.0±0.5
≤3.0 ns
≤3.0 ns
Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω.
2. The output are measured one at a time with one transition per measurement.
V
CC
V
CC
V
CC
GND
GND
Item S1 S2
V
C
V
IN
t
ZH
R =
1 k
L
Ω
C =15 or
50 pF
L
V
CC
GND
t
ZL
V
CC
GND
t
HZ
V
CC
GND
t
LZ
S1
R =
1 k
L
Ω
S2
V
OUT
• t ,t / t ,t
ZH ZL HZ LZ
V
OH
V
I
GND
GND
t
f
t
r
90% 90%
Vref Vref
50%
t
ZH
10%10%
V
OUT
V –0.3 V
OH
V +0.3 V
OL
V
C
t
HZ
50%
V
OL
V
CC
t
ZL
t
LZ
V
CC
(V) Vref
t
r
/
t
f
3.3±0.3 2.5 V
V
I
INPUTS
50%
1.5 V3 V5.0±0.5
≤3.0 ns
≤3.0 ns
waveform–A
waveform–B