CD74HC123, CD74HCT123, CD74HC423, CD74HCT423
Absolute Maximum Ratings
DC Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
DC Input Diode Current, I
IK
For V
I
< -0.5V or V
I
> V
CC
+ 0.5V
. . . . . . . . . . . . . . . . . . . . . .±20mA
DC Output Diode Current, I
OK
For V
O
< -0.5V or V
O
> V
CC
+ 0.5V
. . . . . . . . . . . . . . . . . . . .±20mA
DC Output Source or Sink Current per Output Pin, I
O
For V
O
> -0.5V or V
O
< V
CC
+ 0.5V
. . . . . . . . . . . . . . . . . . . .±25mA
DC V
CC
or Ground Current, I
CC or
I
GND
. . . . . . . . . . . . . . . . . .±50mA
Thermal Information
Thermal Resistance (Typical, Note 3)
θ
JA
(
o
C/W)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
90
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
115
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150
o
C
Maximum Storage Temperature Range . . . . . . . . . .-65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300
o
C
(SOIC - Lead Tips Only)
Operating Conditions
Temperature Range (T
A
) . . . . . . . . . . . . . . . . . . . . . -55
o
C to 125
o
C
Supply Voltage Range, V
CC
HC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 6V
HCT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V
DC Input or Output Voltage, V
I
, V
O
. . . . . . . . . . . . . . . . . 0V to V
CC
Input Rise and Fall Time
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000ns (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400ns (Max)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
3.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
DC Electrical Specifications
TEST
CONDITIONS
PARAMETER
HC TYPES
High Level Input
Voltage
V
IH
-
-
2
4.5
6
Low Level Input
Voltage
V
IL
-
-
2
4.5
6
High Level Output
Voltage
CMOS Loads
High Level Output
Voltage
TTL Loads
Low Level Output
Voltage
CMOS Loads
Low Level Output
Voltage
TTL Loads
Input Leakage
Current
Quiescent Device
Current
I
I
I
CC
V
CC
or
GND
V
CC
or
GND
V
OL
V
IH
or V
IL
V
OH
V
IH
or V
IL
-0.02
-0.02
-0.02
-
-4
-5.2
0.02
0.02
0.02
-
4
5.2
-
0
2
4.5
6
-
4.5
6
2
4.5
6
-
4.5
6
6
6
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
-
3.98
5.48
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
-
0.1
0.1
0.1
-
0.26
0.26
±0.1
8
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
-
3.84
5.34
-
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
-
0.1
0.1
0.1
-
0.33
0.33
±1
80
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
-
3.7
5.2
-
-
-
-
-
-
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
-
0.1
0.1
0.1
-
0.4
0.4
±1
160
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
µA
µA
SYMBOL
V
I
(V)
I
O
(mA)
V
CC
(V)
25
o
C
MIN
TYP
MAX
-40
o
C TO 85
o
C -55
o
C TO 125
o
C
MIN
MAX
MIN
MAX
UNITS
3
HARRIS [ HARRIS CORPORATION ]
