MC74VHC573
http://onsemi.com
4
DC ELECTRICAL CHARACTERISTICS
Unit
T
A
= − 40 to 85°CT
A
= 25°C
V
CC
V
Test ConditionsParameterSymbol Unit
MaxMinMaxTypMin
V
CC
V
Test ConditionsParameterSymbol
I
OZ
Maximum
Three−State Leakage
Current
V
in
= V
IL
or V
IH
V
out
= V
CC
or GND
5.5 ± 0.25 ± 2.5 μA
I
CC
Maximum Quiescent
Supply Current
V
in
= V
CC
or GND 5.5 4.0 40.0 μA
AC ELECTRICAL CHARACTERISTICS (Input t
r
= t
f
= 3.0ns)
Symbol Parameter Test Conditions
T
A
= 25°C T
A
= − 40 to 85°C
Unit
Min Typ Max Min Max
t
PLH
,
t
PHL
Maximum Propagation Delay,
LE to Q
V
CC
= 3.3 ± 0.3V C
L
= 15pF
C
L
= 50pF
7.6
10.1
11.9
15.4
1.0
1.0
14.0
17.5
ns
V
CC
= 5.0 ± 0.5V C
L
= 15pF
C
L
= 50pF
5.0
6.5
7.7
9.7
1.0
1.0
9.0
11.0
t
PLH
,
t
PHL
Maximum Propagation Delay,
D to Q
V
CC
= 3.3 ± 0.3V C
L
= 15pF
C
L
= 50pF
7.0
9.5
11.0
14.5
1.0
1.0
13.0
16.5
ns
V
CC
= 5.0 ± 0.5V C
L
= 15pF
C
L
= 50pF
4.5
6.0
6.8
8.8
1.0
1.0
8.0
10.0
t
PZL
,
t
PZH
Output Enable Time,
OE
to Q
V
CC
= 3.3 ± 0.3V C
L
= 15pF
R
L
= 1kΩ C
L
= 50pF
7.3
9.8
11.5
15.0
1.0
1.0
13.5
17.0
ns
V
CC
= 5.0 ± 0.5V C
L
= 15pF
R
L
= 1kΩ C
L
= 50pF
5.2
6.7
7.7
9.7
1.0
1.0
9.0
11.0
t
PLZ
,
t
PHZ
Output Disable Time,
OE
to Q
V
CC
= 3.3 ± 0.3V C
L
= 50pF
R
L
= 1kΩ
10.7 14.5 1.0 16.5
ns
V
CC
= 5.0 ± 0.5V C
L
= 50pF
R
L
= 1kΩ
6.7 9.7 1.0 11.0
t
OSLH
,
t
OSHL
Output to Output Skew
V
CC
= 3.3 ± 0.3V C
L
= 50pF
(Note 1)
1.5 1.5 ns
V
CC
= 5.5 ± 0.5V C
L
= 50pF
(Note 1)
1.0 1.0 ns
C
in
Maximum Input Capacitance 4 10 10 pF
C
out
Maximum Three−State
Output Capacitance (Output
in High−Impedance State)
6 pF
C
PD
Power Dissipation Capacitance (Note 2)
Typical @ 25°C, V
CC
= 5.0V
pF
29
1. Parameter guaranteed by design. t
OSLH
= |t
PLHm
− t
PLHn
|, t
OSHL
= |t
PHLm
− t
PHLn
|.
2. 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
/8 (per latch). 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
= 50 pF, V
CC
= 5.0V)
Symbol
Parameter
T
A
= 25°C
Unit
Typ Max
V
OLP
Quiet Output Maximum Dynamic V
OL
0.9 1.2 V
V
OLV
Quiet Output Minimum Dynamic V
OL
− 0.9 − 1.2 V
V
IHD
Minimum High Level Dynamic Input Voltage 3.5 V
V
ILD
Maximum Low Level Dynamic Input Voltage 1.5 V
