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Электронный компонент: IN74HC573A

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TECHNICAL DATA
403
Octal 3-State Noninverting
Transparent Latch
High-Performance Silicon-Gate CMOS
The IN74HC573A is identical in pinout to the LS/ALS573. The
device inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
These latches appear transparent to data (i.e., the outputs change
asynchronously) when Latch Enable is high. When Latch Enable goes
low, data meeting the setup and hold time becomes latched.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0
A
High Noise Immunity Characteristic of CMOS Devices
IN74HC573A
ORDERING INFORMATION
IN74HC573AN Plastic
IN74HC573ADW SOIC
T
A
= -55
to 125
C for all packages
FUNCTION TABLE
Inputs
Output
Output
Enable
Latch
Enable
D
Q
L
H
H
H
L
H
L
L
L
L
X
no change
H
X
X
Z
X = don't care
Z = high impedance
LOGIC DIAGRAM
PIN 20=V
CC
PIN 10 = GND
PIN ASSIGNMENT
IN74HC573A
404
MAXIMUM RATINGS
*
Symbol
Parameter
Value
Unit
V
CC
DC Supply Voltage (Referenced to GND)
-0.5 to +7.0
V
V
IN
DC Input Voltage (Referenced to GND)
-1.5 to V
CC
+1.5
V
V
OUT
DC Output Voltage (Referenced to GND)
-0.5 to V
CC
+0.5
V
I
IN
DC Input Current, per Pin
20
mA
I
OUT
DC Output Current, per Pin
35
mA
I
CC
DC Supply Current, V
CC
and GND Pins
75
mA
P
D
Power Dissipation in Still Air, Plastic DIP+
SOIC Package+
750
500
mW
Tstg
Storage Temperature
-65 to +150
C
T
L
Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)
260
C
*
Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
+Derating - Plastic DIP: - 10 mW/
C from 65
to 125
C
SOIC Package: : - 7 mW/
C from 65
to 125
C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
V
CC
DC Supply Voltage (Referenced to GND)
2.0
6.0
V
V
IN
, V
OUT
DC Input Voltage, Output Voltage (Referenced to GND)
0
V
CC
V
T
A
Operating Temperature, All Package Types
-55
+125
C
t
r
, t
f
Input Rise and Fall Time (Figure 1)
V
CC
=2.0 V
V
CC
=4.5 V
V
CC
=6.0 V
0
0
0
1000
500
400
ns
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 circuit. For proper operation, V
IN
and V
OUT
should be constrained to the range
GND
(V
IN
or V
OUT
)
V
CC
.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or V
CC
).
Unused outputs must be left open.
IN74HC573A
405
DC ELECTRICAL CHARACTERISTICS
(Voltages Referenced to GND)
V
CC
Guaranteed Limit
Symbol
Parameter
Test Conditions
V
25
C
to
-55
C
85
C
125
C
Unit
V
IH
Minimum High-Level
Input Voltage
V
OUT
=0.1 V or V
CC
-0.1 V
I
OUT
20
A
2.0
4.5
6.0
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
V
V
IL
Maximum Low -
Level Input Voltage
V
OUT
=0.1 V or V
CC
-0.1 V
I
OUT
20
A
2.0
4.5
6.0
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
V
V
OH
Minimum High-Level
Output Voltage
V
IN
=V
IH
or V
IL
I
OUT
20
A
2.0
4.5
6.0
1.9
4.4
5.9
1.9
4.4
5.9
1.9
4.4
5.9
V
V
IN
=V
IH
or V
IL
I
OUT
6.0 mA
I
OUT
7.8 mA
4.5
6.0
3.98
5.48
3.84
5.34
3.7
5.2
V
OL
Maximum Low-Level
Output Voltage
V
IN
= V
IL
or V
IH
I
OUT
20
A
2.0
4.5
6.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
V
IN
= V
IL
or V
IH
I
OUT
6.0 mA
I
OUT
7.8 mA
4.5
6.0
0.26
0.26
0.33
0.33
0.4
0.4
I
IN
Maximum Input
Leakage Current
V
IN
=V
CC
or GND
6.0
0.1
1.0
1.0
A
I
OZ
Maximum Three
State Leakage
Current
Output in High-Impedance
State
V
IN
=V
IH
or V
IL
V
OUT
= V
CC
or GND
6.0
0.5
5.0
10
A
I
CC
Maximum Quiescent
Supply Current
(per Package)
V
IN
=V
CC
or GND
I
OUT
=0
A
6.0
4.0
40
160
A
IN74HC573A
406
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
V
CC
Guaranteed Limit
Symbol
Parameter
V
25
C
to
-55
C
85
C
125
C
Unit
t
PLH
, t
PHL
Maximum Propagation Delay, Input D to Q
(Figures 1 and 5)
2.0
4.5
6.0
150
30
26
190
38
33
225
45
38
ns
t
PLH
, t
PHL
Maximum Propagation Delay,Latch Enable
to Q (Figures 2 and 5)
2.0
4.5
6.0
160
32
27
200
40
34
240
48
41
ns
t
PLZ
, t
PHZ
Maximum Propagation Delay, Output Enable to Q
(Figures 3 and 6)
2.0
4.5
6.0
150
30
26
190
38
33
225
45
38
ns
t
PZH
, t
PZL
Maximum Propagation Delay, Output Enable to Q
(Figures 3 and 6)
2.0
4.5
6.0
150
30
26
190
38
33
225
45
38
ns
t
TLH
, t
THL
Maximum Output Transition Time, Any Output
(Figures 1 and 5)
2.0
4.5
6.0
60
12
10
75
15
13
90
18
15
ns
C
IN
Maximum Input Capacitance
-
10
10
10
pF
C
OUT
Maximum Three-State Output Capacitance
(Output in High-Impedance State)
-
15
15
15
pF
Power Dissipation Capacitance (Per Enabled
Output)
Typical @25
C,V
CC
=5.0 V
C
PD
Used to determine the no-load dynamic power
consumption: P
D
=C
PD
V
CC
2
f+I
CC
V
CC
23
pF
TIMING REQUIREMENTS
(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
V
CC
Guaranteed Limit
Symbol
Parameter
V
25
C to
-55
C
85
C
125
C
Unit
t
SU
Minimum Setup Time, Input D
to Latch Enable
(Figure 4)
2.0
4.5
6.0
50
10
9
65
13
11
75
15
13
ns
t
h
Minimum Hold Time, Latch
Enable to Input D
(Figure 4)
2.0
4.5
6.0
5
5
5
5
5
5
5
5
5
ns
t
w
Minimum Pulse Width, Latch
Enable (Figure 2)
2.0
4.5
6.0
75
15
13
95
19
16
110
22
19
ns
t
r,
t
f
Maximum Input Rise and Fall
Times (Figure 1)
2.0
4.5
6.0
1000
500
400
1000
500
400
1000
500
400
ns
IN74HC573A
407
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Figure 3. Switching Waveforms
Figure 4. Switching Waveforms
Figure 5. Test Circuit
Figure 6. Test Circuit
EXPANDED LOGIC DIAGRAM