Diodes 74AHCT594 - Manual (Page 5)

74AHCT594
Document number: DS35485 Rev. 2 - 2
5 of 10
www.diodes.com
June 2013
© Diodes Incorporated
74AHCT594
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 C
L
= 15pF 4.5V to 5.0V 90 160  80  70  MHz
t
W
Pulse Width
SHCP
HIGH or LOW
Figure 2 C
L
= 50pF 4.5V to 5.0V 5.5   6.0  6.5 
ns
STCP
HIGH or LOW
Figure 2 C
L
= 50pF 4.5V to 5.0V 5.5   6.0  6.5 
SHR and STR
HIGH or LOW
Figure 2 C
L
= 50pF 4.5V to 5.0V 5.2   5.5  6.0 
t
SU
Set-up Time
DS to SHCP Figure 2 C
L
= 50pF 4.5V to 5.0V 3.0   3.0  3.5 
ns
SHR to STCP Figure 2 C L
= 50pF 4.5V to 5.0V 5.0   5.0  5.5 
SHCP to
STCP
Figure 2 C
L
= 50pF 4.5V to 5.0V 5.0   5.0  5.5 
t H
Hold Time
DS to SHCP Figure 2 C
L = 50pF 4.5V to 5.0V 5 2.0   2.0  2.5 ns
t
REC
Recovery Time
SHR to SHCP
and STR to
STCP
Figure 2 C
L
= 50pF 4.5V to 5.0V 10 2.9   3.3  3.8 ns
t PLH
Propagation
Delay
SHCP toQ7S
Figure 2 C L = 15pF 4.5V to 5.0V
 4.1 6.7 1.8 7.6 1.8 8.3
ns
Figure 2 C L = 50pF 4.5V to 5.0V
 5.4 8.8 2.4 10.1 2.4 11.0
STCP to Qn
Figure 2 C L = 15pF 4.5V to 5.0V
 3.7 6.1 1.9 6.9 1.9 7.2
Figure 2 C
L
= 50pF 4.5V to 5.0V
 5.2 8.5 2.6 9.7 2.6 10.5
t
PHl
Propagation
Delay
SHCP to Q7S
Figure 2 C
L
= 15pF 4.5V to 5.0V
 4.1 6.7 1.8 7.6 1.8 8.3
ns
Figure 2 C
L
= 50pF 4.5V to 5.0V
 5.4 8.8 2.4 10.1 2.4 11.0
STCP to Qn
Figure 2 C
L
= 15pF 4.5V to 5.0V
 3.7 6.1 1.9 6.9 1.9 7.2
Figure 2 C
L
= 50pF 4.5V to 5.0V
 5.2 8.5 2.6 9.7 2.6 10.5
SHR to Q7S
Figure 2 C
L
= 15pF 4.5V to 5.0V
 4.3 7.0 2.4 8.0 2.4 8.7
ns
Figure 2 C
L
= 50pF 4.5V to 5.0V
 5.4 8.8 2.7 10.1 2.7 11.0
STR to Qn
Figure 2 C
L
= 15pF 4.5V to 5.0V
 4.5 7.4 2.3 8.4 2.3 9.2
ns
Figure 2 C
L
= 50pF 4.5V to 5.0V
 5.7 9.4 3.1 10.7 3.1 11.7
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
V I = GND TO V CC -1.5V
51 pF