Diodes 74HCT594 - Manual (Page 6)

74HCT594
Document number: DS35491 Rev. 2 - 2
6 of 12
www.diodes.com
June 2013
© Diodes Incorporated
74HCT594
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
5.0 V 30 92  24  20  MHz
t
W
Pulse Width
SHCP
HIGH or
LOW
Figure 2
C
L
=50pF
4.5 V 16 4  20  24 
ns
STCP
HIGH or
LOW
Figure 2
C
L
=50pF
4.5 V 16 4  20  24 
SHR and
STR
HIGH or
LOW
Figure 2
C
L
=50pF
4.5 V 16 6  20  24 
t
SU
Set-up Time
DS to SHCP
Figure 2
C
L
=50pF
4.5 V 20 4  25  30 
ns
SHR to
STCP
Figure 2
C
L
=50pF 2
4.5 V 20 6

25

30

SHCP to
STCP
Figure 2
C
L
=50pF
4.5 V 20 7  25  30 
t
PD
Propagation
Delay
SHCP to
Q7S
Figure 2
C
L
=50p
4.5 V  18 32  40  48
ns
Figure 2
C
L
=15pF
5.0 V  15     
STCP to Qn
Figure 2
C
L
=50p
4.5 V  18 32  40  48
Figure 2
C
L
=15p
5.0 V  15     
t
H
Hold Time
DS to SHCP Figure 2 4.5 V 5 -3  6  7  ns
t
REC
Recovery Time
SHR to
SHCP and
STR to STCP
Figure 2 4.5 V 10 -5  13  15  ns