Diodes 74HC125 - Manual (Page 4)

74HC125
Document number: DS35326 Rev. 3 - 2
4 of 9
www.diodes.com
January 2013
© Diodes Incorporated
74HC125
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Test Conditions V
CC
T
A
= -40°C to +85°C T
A
= -40°C to +125°C
Unit
Min Max Min Max
V
IH
High-level Input
Voltage
2.0V 1.5 1.5
V 4.5V 3.15 3.15
6.0V 4.2 4.2
V
IL
Low-level Input
voltage
2.0V 0.5 0.5
V 4.5V 1.35 1.35
6.0V 1.8 1.8
V
OH
High-level Output
Voltage
I
OH
= -20μA 2.0V 1.9 1.9
V
I
OH
= -20μA 4.5V 4.4 4.4
I
OH
= -20μA 6.0V 5.9 5.9
I
OH
= -4.0mA 4.5V 3.84 3.7
I
OH
= -5.2mA 6.0V 5.34 5.2
V
OL
Low-level Output
Voltage
I
OL
= 20μA 2.0V 0.1 0.1
V
I
OL
= 20μA 4.5V 0.1 0.1
I
OL
= 20μA 6.0V 0.1 0.1
I
OL
= 4mA 4.5V 0.33 0.44
I
OL
= 5.2mA 6.0V 0.33 0.44
I
OZ
Z State
Leakage Current V
O
= 0 to 6.0V
V
I
= GND or 6.0V
6.0V ± 5.0 ± 10 μA
I
I
Input Current V
I
= GND to 5.5V 6.0V ± 1 ± 1 μA
I
CC
Supply Current V
I
= GND or V
CC
, I
O
= 0 6.0V 20 40 μA
Switching Characteristics
Symbol Parameter
Test
Conditions
V
CC
T
A
= +25°C -40°C to +85°C -40°C to +125°C
Unit
Min Typ. Max Max Max
t
PD
Propagation
Delay A
N
to Y
N
Figure 1
C
L
= 50 pF
2.0V — 30 100 125 150
ns 4.5V — 11 20 25 30
6.0V — 9 17 21 26
t
EN
Enable Time
OE
N
to Y
N
Figure 1
C
L
= 50 pF
2.0V — 41 125 155 190
ns 4.5V — 15 25 31 38
6.0V — 12 21 26 32
t
DIS
Disable Time
OE
to Y
N
Figure 1
C
L
= 50 pF
2.0V — 41 125 155 190
ns 4.5V — 15 25 31 38
6.0V — 12 21 26 32
t
t
Transition time
Figure 1
C
L
= 50 pF
2.0V — 14 60 75 90
ns 4.5V — 5 12 15 18
6.0V — 4 10 13 15
Operating Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Parameter Test Conditions
V
CC
= 6V
Unit
Typ
C
pd
Power Dissipation
Capacitance per Gate
f = 1MHz 22 pF
C
I
Input Capacitance V
I
= V
CC
– or GND 4 pF