MC74VHCT573A
2
3
4
19
18
17
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
V
CC
OE
D0
D1
D2
D0
D1
D2
Q0
Q1
Q2
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
5
6
16
15
NONINVERTING
OUTPUTS
DATA
D3
D4
Q3
Q4
INPUTS
D3
D4
D5
D6
D7
7
8
9
14
13
12
D5
D6
D7
Q5
Q6
Q7
11
1
LE
GND 10
LE
OE
Figure 1. Logic Diagram
Figure 2. Pin Assignment
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this high−impedance cir-
V
DC Supply Voltage
– 0.5 to + 7.0
– 0.5 to + 7.0
CC
V
in
DC Input Voltage
V
V
out
DC Output Voltage
Outputs in 3−State
– 0.5 to + 7.0
V
High or Low State – 0.5 to V + 0.5
CC
cuit. For proper operation, V and
I
Input Diode Current
− 20
mA
mA
mA
mA
mW
in
IK
V
out
should be constrained to the
I
Output Diode Current (V
< GND; V
> V )
CC
20
25
75
OK
OUT
OUT
range GND v (V or V ) v V
.
CC
in
out
Unused inputs must always be
tied to an appropriate logic voltage
I
DC Output Current, per Pin
DC Supply Current, V and GND Pins
out
CC
I
CC
level (e.g., either GND or V ).
CC
Unused outputs must be left open.
P
Power Dissipation in Still Air,
SOIC Package†
TSSOP Package†
500
450
D
T
Storage Temperature
– 65 to + 150
_C
stg
Maximum ratings are those values beyond which device damage can occur. Maximum ratings
applied to the device are individual stress limit values (not normal operating conditions) and are
not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
†Derating − SOIC Packages: – 7 mW/_C from 65_ to 125_C
TSSOP Package: − 6.1 mW/_C from 65_ to 125_C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
4.5
0
Max
5.5
5.5
5.5
Unit
V
V
DC Supply Voltage
DC Input Voltage
DC Output Voltage
CC
V
in
V
V
out
Outputs in 3−State
High or Low State
0
0
V
V
CC
T
Operating Temperature
Input Rise and Fall Time
− 40
0
+ 85
20
_C
ns/V
A
t , t
r
V =5.0V 0.5V
CC
f
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