74LVC574A
Document number: DS35898 Rev. 1 - 2
5 of 11
www.diodes.com
July 2014
© Diodes Incorporated
NEW PRODUCT
74LVC574A
Switching Characteristics
Symbol Parameter
Test
Conditions
V
CC
T
A
= +25°C
T
A
= -40°C to
+85°C
T
A
= -40°C to
+125°C
Unit
Min Typ Max Min Max Min Max
f
MAX
Maximum
Frequency
Figure 1
1.8V ± 0.15V 35 40 35 30
Mhz
2.5V ± 0.2V 50 60 50 45
2.7V 80 100 80 64
3.3V ± 0.3V 100 125 100 80
t
W
Pulse Width
CLK
Figure 1
1.8V ± 0.15V 5.0 2.5 5.0 5.5
ns
2.5V ± 0.2V 4.0 2.0 4.0 4.5
2.7V 3.3 1.7 3.3 3.5
3.3V ± 0.3V 3.0 1.5 3.0 3.5
t
SU
Set-up Time D
N
to CLK
Figure 1
1.8V ± 0.15V 4.0 2.0 4.0 4.5
ns
2.5V ± 0.2V 3.0 1.5 3.0 3.5
2.7V 2.0 1.0 2.0 2.5
3.3V ± 0.3V 2.0 1.0 2.0 2.5
t
H
Hold Time
D
N
to CLK
Figure 1
1.8V ± 0.15V 3.0 1.5 3.0 3.5
ns
2.5V ± 0.2V 2.0 1.0 2.0 2.5
2.7V 1.5 1.0 1.5 2.0
3.3V ± 0.3V 1.5 1.0 1.5 2.0
t
PD
Propagation
Delay
CLK to Q
N
Figure 1
1.8V ± 0.15V 1.0 6.0 15.1 1.0 15.7 1.0 16.9
ns
2.5V ± 0.2V 1.0 3.9 8.8 1.0 9.0 1.0 10.5
2.7V 1.0 4.2 8.1 1.0 9.4 1.0 10.0
3.3V ± 0.3V 1.5 3.8 7.1 1.5 7.6 1.5 8.1
t
EN
Enable Time
OE to Q
N
Figure 1
1.8V ± 0.15 1.0 7.8 16.5 1.0 17.0 1.0 18.4
ns
2.5V ± 0.2V 1.0 4.0 9.0 1.0 9.5 1.0 10.5
2.7V 1.0 4.4 8.3 1.0 8.5 1.0 10.0
3.3V ± 0.3V 1.7 4.1 7.3 1.7 7.5 1.7 9.0
t
DIS
Disable Time
OE to Q
N
Figure 1
1.8V ± 0.15V 1.0 7.8 16.5 1.0 17.0 1.0 18.4
ns
2.5V ± 0.2V 1.0 4.0 9.0 1.0 9.5 1.0 10.5
2.7V 1.0 4.4 8.3 1.0 8.5 1.0 10.0
3.3V ± 0.3V 1.7 4.1 7.3 1.7 7.5 1.7 9.0
t
DIS
Disable Time
OE to Q
N
Figure 1
1.8V ± 0.15V 1.0 7.8 16.5 1.0 17.0 1.0 18.4
ns
2.5V ± 0.2V 1.0 4.0 9.0 1.0 9.5 1.0 10.5
2.7V 1.0 4.4 8.3 1.0 8.5 1.0 10.0
3.3V ± 0.3V 1.7 4.1 7.3 1.7 7.5 1.7 9.0
tsk(0)
Output Skew
Time
3.3V ± 0.3V 1.0 1.5 ns
Operating Characteristics
T
A
= +25°C
Symbol Parameter Test Conditions
V
CC
Typ Unit
C
pd
Power dissipation
capacitance per gate
F = 10 MHz
1.8V ± 0.15V 9.9
pF
2.5V ± 0.2V 10.2
3.3V ± 0.3V 10.6
