74AHC594
Document number: DS35484 Rev. 3 - 2
5 of 10
www.diodes.com
June 2013
© Diodes Incorporated
74HC594
Switching Characteristics
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
f
MAX
Maximum
Frequency
SHCP or
STCP
Figure 2
2.0V 6 30
4.8
4
MHz
4.5V 30 92
24
20
5.0V 100
6.0V 35 109
28
24
t
W
Pulse Width
SHCP
HIGH or
LOW
Figure 2
2.0V 80 10
100
120
ns
4.5V 16 4
20
24
6.0V 14 3
17
20
STCP
HIGH or
LOW
Figure 2
2.0V 80 10
100
120
4.5V 16 4
20
24
6.0V 14 3
17
20
SHR and
STR
HIGH or
LOW
Figure 2
2.0V 80 14
100
120
4.5V 16 5
20
24
6.0V 14 4
17
20
t
SU
Set-up Time
DS to
SHCP
Figure 2
2.0V 100 10
125
150
ns
4.5V 20 4
25
30
6.0V 17 3
21
26
SHR to
STCP
Figure 2
2.0V 100 14
125
150
ns
4.5V 20 5
25
30
6.0V 17 4
21
26
SHCP to
STCP
Figure 2
2.0V 100 17
125
150
ns
4.5V 20 6
25
30
6.0V 17 5
21
26
t
PD
Propagation
Delay
SHCP to
Q7S
Figure 2
2.0V
44 150
185
225
ns
4.5V
16 30
37
45
5.0V
13
6.0V
14 26
31
38
STCP to
Qn
Figure 2
2.0V
44 150
185
225
ns
4.5V
16 30
37
45
5.0V
13
6.0V
14 26
31
38
t
H
Hold Time
DS to
SHCP
Figure 2
2.0V 25 -8
30
35
ns
4.5V 5 -3
6
7
6.0V 4 -2
5
6
t
REC
Recovery Time
SHR
to
SHCP and
STR
to
STCP
Figure 2
2.0V 50 -14
65
75
ns
4.5V 10 -5
13
15
6.0V 9 -4
11
13
t
PHL
Propagation
Delay
SHR
to
Q7S
Figure 2
2.0V
39 150
185
225
ns
4.5V
14 30
37
45
5.0V
11
6.0V
12 26
31
38
STR to Qn
Figure 2
2.0V
39 125
155
185
ns
4.5V
14 25
31
37
5.0V
11
6.0V
12 21
26
31
t
THL
Transition Time
Serial data
output Q7S
Figure 2
2.0V
19 75
95
110
ns
4.5V
7 15
19
22
6.0V
6 13
16
19
Parallel
Data
Outputs Q
N
Figure 2
2.0V
14 60
75
90
ns
4.5V
5 12
15
18
6.0V
4 10
13
15
(11 pages)
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