Diodes 74HCT594 - Manual (Page 5)

74HCT594
Document number: DS35491 Rev. 2 - 2
5 of 12
www.diodes.com
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