Diodes 74HCT594 User Manual
Page 7
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74HCT594
Document number: DS35491 Rev. 2 - 2
7 of 12
June 2013
© Diodes Incorporated
74HCT594
Switching Characteristics
(cont.)
Symbol /
Parameter
Pins
Test
Conditions
V
CC
T
A
= +25°C
-40°C to +85°C
-40°C to +125°C
Unit
Min Typ. Max Min Max Min Max
t
PHL
Propagation
Delay
SHR to Q7S
Figure 2
C
L
=50pF
4.5 V
17 30
38
45
ns
Figure 2
C
L
=15pF
5.0 V
14
STR to Qn
Figure 2
C
L
=50pF
4.5 V
17 30
38
45
ns
Figure 2
C
L
=15pF
5.0 V
14
t
THL
t
TLH
Transition
Times
Serial data
output Q7S
Figure 2
C
L
=50pF
4.5 V
7 15
19
22 ns
Parallel Data
Outputs Q
N
Figure 2
C
L
=50pF
4.5 V
5 12
15
18 ns
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