Diodes 74HC595 - Manual (Page 5)

74HC595
Document number: DS35492 Rev. 3 - 2
5 of 11
www.diodes.com
June 2013
© Diodes Incorporated
74HC595
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Test Conditions V
CC
T
A
= +25°C T
A
= -40°C to +85°C T
A
= -40°C to +125°C
Unit
Min Typ Max Min Max Min Max
V IH
High-Level
Input Voltage
 2.0V 1.5 1.2 
1.5

1.5

V
 4.5V 3.15 2.4 
3.15

3.15

 6.0V 4.2 3.2  4.2  4.2 
V
IL
Low-Level
Input Voltage
 2.0V  0.8 0.5  0.5  0.5
V
 4.5V  2.1 1.35

1.35

1.35
 6.0V  2.8 1.8

1.8

1.8
V OH
High-Level
Output
Voltage
I
OH
= -20 μA
All outputs
2.0V 1.9 2.0 
1.9

1.9

V
4.5V 4.4 4.5  4.4  4.4

6.0V
5.9
6.0 
5.9

5.9

Q7 output
I
OH
= -4.0mA 4.5V 3.84 4.32  4.32  3.7

I
OH
= -5.2mA 6.0V 5.34 5.81  5.81  5.2 
Qn Bus
Outputs
I
OH
= -6.0mA 4.5V 3.84 4.32  4.32 
3.7

I OH = -7.8mA 6.0V 5.34 5.81  5.81 
5.2

V
OL
Low-Level
Output
Voltage
I
OL
= 20 μA
All outputs
2.0V  0 0.1  0.1  0.1
V
4.5V  0 0.1  0.1  0.1
6.0V
 0 0.1

0.1

0.1
Q7 output
I
OL
= 4.0mA 4.5V  .15 0.33

0.33

0.4
I OL = 5.2mA 6.0V  .16 0.33

0.33

0.4
Qn Bus
Outputs
I
OL
= 6.0mA 4.5V  .15 0.33  0.33  0.4
I
OL
= 7.8mA 6.0V  .16 0.33  0.33  0.4
I
I Input Current V I
=GND to 5.5V 6.0V
 
±0.1

± 1

± 1 μA
I
OZ
OFF-state
output current
Qn internal high or
low
Vo = Vcc or Gnd
6.0V   ± 5  ± 5  ± 10 μA
I
CC
Supply
Current
V I = GND or V CC
I
O
= 0
6.0V   8.0  80  160 μA
C i
Input
Capacitance
V
i
= V
CC
or GND
6.0V

4 10

10

10 pF
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 43 pF