MC74VHCT00A
http://onsemi.com
5
AC ELECTRICAL CHARACTERISTICS C
load
= 50 pF, Input t
r
= t
f
= 3.0 ns
Symbo
Parameter Test Conditions
T
A
= 25°C T
A
≤ 85°C T
A
≤ 125°C
Unit
Min Typ Max Min Max Min Max
t
PLH
,
t
PHL
Maximum
Propogation Delay,
Input A or B to Y
V
CC
= 3.3 ± 0.3 V C
L
= 15 pF
C
L
= 50 pF
4.1
5.5
10.0
13.5
11.0
15.0
13.0
17.5
ns
V
CC
= 5.0 ± 0.5 V C
L
= 15 pF
C
L
= 50 pF
3.1
3.6
6.9
7.9
8.0
9.0
9.5
10.5
C
IN
Maximum Input
Capacitance
5.5 10 10 10 pF
C
PD
Power Dissipation Capacitance (Note 6)
Typical @ 25°C, V
CC
= 5.0 V
pF
17
6. C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: I
CC(OPR
)
= C
PD
V
CC
f
in
+ I
CC
. C
PD
is used to determine the no−load dynamic
power consumption; P
D
= C
PD
V
CC
2
f
in
+ I
CC
V
CC
.
NOISE CHARACTERISTICS (Input t
r
= t
f
= 3.0ns, C
L
= 50pF, V
CC
= 5.0V, Measured in SO Package)
Symbol
Characteristic
T
A
= 25°C
Unit
Typ Max
V
OLP
Quiet Output Maximum Dynamic V
OL
0.4 0.8 V
V
OLV
Quiet Output Minimum Dynamic V
OL
− 0.4 − 0.8 V
V
IHD
Minimum High Level Dynamic Input Voltage 2.0 V
V
ILD
Maximum Low Level Dynamic Input Voltage 0.8 V
3.0 V
GND
50%
50% V
CC
A or B
Y
t
PHL
t
PLH
*Includes all probe and jig capacitance
C
L
*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
V
OH
V
OL
Figure 5. Switching Waveforms Figure 6. Test Circuit
INPUT
Figure 7. Input Equivalent Circuit
OUTPUT
Figure 8. Output Equivalent Circuit
*
*Parastic Diode
