Diodes 74AHCT595 - Manual (Page 5)

74AHCT595
Document number: DS35487 Rev. 3 - 2
5 of 10
www.diodes.com
June 2013
© Diodes Incorporated
74AHCT595
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 1 4.5V to 5.5V 130 170  110  90  MHz
t
W
Pulse Width
SHCP
HIGH or LOW
Figure 1 4.5V to 5.5V 5.0   5.0  5.0 
ns STCP
HIGH or LOW
Figure 1 4.5V to 5.5V 5.0   5.0  5.0 
MR LOW Figure 1 4.5V to 5.5V 5.0   5.0  5.0 
t
SU
Set-up Time
DS to SHCP Figure 1 4.5V to 5.5V 3.0   3.0  3.0  ns
SHCP to STCP Figure 1 4.5V to 5.5V 5.0   5.0  5.0  ns
t
H
Hold Time
DS to SHCP Figure 1 4.5V to 5.5V 2.0   2.0  2.0  ns
t
REC
Recovery Time
MR to SHCP Figure 1 4.5V to 5.5V 3.0   3.0  3.0  ns
t
PD
Propagation
Delay
SHCP to Q7S
Figure 1
C
L
= 15pF
4.5V to 5.5V  3.8 8.2 1.0 9 1.0 10
ns
Figure 1
C
L
= 50pF
4.5V to 5.5V  5.2 10 1.0 11 1.0 12
STCP to Qn
Figure 1
C
L
= 15pF
4.5V to 5.5V  4 7.4 1.0 8.5 1.0 9.5
ns
Figure 1
C
L
= 50pF
4.5V to 5.5V  5.3 9 1.0 10.5 1.0 11.5
MR to Q7S
Figure 1
C
L
= 15pF
4.5V to 5.5V  4.6 8.2 1.0 9.5 1.0 10.5
ns
Figure 1
C L = 50pF
4.5V to 5.5V  5.8 10.5 1.0 11.5 1.0 12.5
t EN
Enable Time
OE to Qn
Figure 1
C L = 15pF
4.5V to 5.5V  4.8 9 1.0 11 1.0 12
ns
Figure 1
C
L
= 50pF
4.5V to 5.5V  6.2 11.6 1.0 13 1.0 14.5
t
DIS
Disable Time
OE to Qn
Figure 1
C
L
= 15pF
4.5V to 5.5V  3.6 6.9 1.0 8 1.0 9
ns
Figure 1
C
L
= 50pF
4.5V to 5.5V  5.8 10.3 1.0 11 1.0 12
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