Switching characteristics, Operating characteristics – Diodes 74AHC595 User Manual
Page 5
74AHC595
Document number: DS35486 Rev. 3 - 2
5 of 10
June 2013
© Diodes Incorporated
74AHC595
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
3.0V to 3.6V
80
125
60
40
MHz
4.5V to 5.5V
130
70
110
90
t
W
Pulse Width
SHCP
HIGH or LOW
Figure 2
3.0V to 3.6V
5.0
5.0
5.0
ns
4.5V to 5.5V
5.0
5.0
5.0
STCP
HIGH or LOW
Figure 2
3.0V to 3.6V
5.0
5.0
5.0
4.5V to 5.5V
5.0
5.0
5.0
MR LOW
Figure 2
3.0V to 3.6V
5.0
5.0
5.0
4.5V to 5.5V
5.0
5.0
5.0
t
SU
Set-up Time
DS to SHCP
Figure 2
3.0V to 3.6V
3.5
3.5
3.5
ns
4.5V to 5.5V
3.0
3.0
3.0
SHCP to STCP
Figure 2
3.0V to 3.6V
8.5
8.5
8.5
ns
4.5V to 5.5V
5.0
5.0
5.0
t
H
Hold Time
DS to SHCP
Figure 2
3.0V to 3.6V
1.5
1.5
1.5
ns
4.5V to 5.5V
2.0
2.0
2.0
t
REC
Recovery Time
MR to SHCP
Figure 2
3.0V to 3.6V
3.0
3.0
3.0
ns
4.5V to 5.5V
2.5
2.5
2.5
t
PD
Propagation
Delay
SHCP to Q7S
Figure 2
C
L
= 15pF
3.0V to 3.6V
5.7
13.0 1.0 15.0 1.0 16.5
ns
4.5V to 5.5V
4.0
8.2 1.0 9.4 1.0 10.5
Figure 2
C
L
= 50pF
3.0V to 3.6V
7.7
16.5 1.0 18.5 1.0 20.1
4.5V to 5.5V
5.4
10.0 1.0 11.4 1.0 12.5
STCP to Qn
Figure 2
C
L
= 15pF
3.0V to 3.6V
5.9
11.9 1.0 13.5 1.0 15.0
ns
4.5V to 5.5V
4.2
7.4 1.0 8.5 1.0 10.5
Figure 2
C
L
= 50pF
3.0V to 3.6V
7.7
15.4 1.0 17.0 1.0 18.5
4.5V to 5.5V
5.5 9.0 1.0 10.5 1.0 11.5
MR to Q7S
Figure 2
C
L
= 15pF
3.0V to 3.6V
5.9
12.8 1.0 13.7 1.0 15.0
ns
4.5 V to 5.5V
4.4
8.0 1.0 9.1 1.0 10.5
Figure 2
C
L
= 50pF
3.0V to 3.6V
7.4
16.3 1.0 17.2 1.0 18.7
4.5V to 5.5V
5.6
10.0 1.0 11.1 1.0 12.0
t
EN
Enable Time
OE to Qn
Figure 2
C
L
= 15pF
3.0V to 3.6V
5.6
11.5 1.0 13.5 1.0 15.0
ns
4.5V to 5.5V
4.0 8.6 1.0 10.0 1.0 10.5
Figure 2
C
L
= 50pF
3.0V to 3.6V
7.4
15.0 1.0 17.0 1.0 18.5
4.5V to 5.5V
5.3
10.6 1.0 12.0 1.0 13.0
t
DIS
Disable Time
OE to Qn
Figure 2
C
L
= 15pF
3.0V to 3.6V
5.4
11.0 1.0 13.0 1.0 14.5
ns
4.5V to 5.5V
3.8
8.0 1.0 9.5 1.0 10.5
Figure 2
C
L
= 50pF
3.0V to 3.6V
8.7
15.7 1.0 16.2 1.0 17.5
4.5V to 5.5V
5.8
10.3 1.0 11.0 1.0 12.0
Operating Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Parameter
Test
Conditions
V
CC
= 5V
Unit
Typ
C
pd
Power dissipation
capacitance
f = 1 MHz all outputs switching-no load
42 pF