Operating characteristics – Diodes 74HCT594 User Manual
Page 5
74HCT594
Document number: DS35491 Rev. 2 - 2
5 of 12
June 2013
© Diodes Incorporated
74HCT594
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter 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
V
IH
High-level
Input Voltage
4.5 V to 5.5 V
2.0
1.6
2.0
2.0
V
V
IL
Low-level input
voltage
4.5 V to 5.5 V
0.8
0.8
0.8 V
V
OH
High Level
Output Voltage
I
OH
= -20μA
All outputs
4.5 V
4.4
4.5
4.4
4.4
V
Q7S output
I
OH
= -4.0mA
4.5 V
3.98
4.32
3.85
3.7
Qn Bus
Outputs
I
OH
= -6.0 mA
4.5 V
3.98
4.32
3.85
3.7
V
OL
Low-level
Output Voltage
I
OL
= 20μA
All outputs
4.5 V
0 0.1
0.1
0.1
V
Q7S output
I
OL
= 4.0mA
4.5 V
0.15
0.26
0.33
0.4
Qn Bus
Outputs
I
OL
= 6.0mA
4.5 V
0.16
0.26
0.33
0.4
I
I
Input Current
V
I
=GND to
5.5 V
5.5 V
±0.1
± 1
± 1
μA
I
CC
Supply Current
V
I
= GND or
V
CC
I
O
=0
5.5 V
8.0
80
160
μA
I
CC
Additional
Supply Current
Test Per
Pin
V
I
= V
cc
-2.1 V
Other
V
I
= Vcc
or GND
I
O
=0
PINS
SHCP
SHST
SHR
STR
4.5V to 5.5 V
100 240
300
300
μA
PIN
DS
4.5V to 5.5 V
75 120
150
150
C
i
Input
Capacitance
V
i
= V
CC
or GND
5.5 V
3.5 10
10
10 pF
Operating Characteristics
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