English
Language : 

CD74HC14 Datasheet, PDF (4/7 Pages) Texas Instruments – High Speed CMOS Logic Hex Inverting Schmitt Trigger
CD74HC14, CD74HCT14
Absolute Maximum Ratings
DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
DC Input Diode Current, IIK
For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . . .±20mA
DC Output Diode Current, IOK
For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±20mA
DC Drain Current, per Output, IO
For -0.5V < VO < VCC +0.5V . . . . . . . . . . . . . . . . . . . . . . . . . .±25mA
DC Output Source or Sink Current per Output Pin, IO
For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±25mA
DC VCC or Ground Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . .±50mA
Thermal Information
Thermal Resistance (Typical, Note 3)
θJA (oC/W) θJC (oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . .
90
-
CERDIP Package . . . . . . . . . . . . . . . . 130
55
SOIC Package . . . . . . . . . . . . . . . . . . . 120
-
Maximum Junction Temperature (Hermetic Package or Die) . . . 175oC
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC
(SOIC - Lead Tips Only)
Operating Conditions
Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
Supply Voltage Range, VCC
HC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 6V
HCT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V
DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . 0V to VCC
Input Rise and Fall Time, tr, tf
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ms (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ms (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100ms (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. θJA is measured with the component mounted on an evaluation PC board in free air.
DC Electrical Specifications
PARAMETER
HC TYPES
Input Switch Points
High Level Output
Voltage CMOS Loads
High Level Output
Voltage TTL Loads
SYMBOL
TEST
CONDITIONS
VI (V) IO (mA) VCC (V)
25oC
MIN MAX
-40oC TO 85oC
MIN MAX
-55oC TO 125oC
MIN MAX UNITS
VT+
-
-
2
0.7
1.5
0.7
1.5
0.7
1.5
V
4.5
1.7
3.15
1.7
3.15
1.7
3.15
V
6
2.1
4.2
2.1
4.2
2.1
4.2
V
VT-
-
-
2
0.3
1.0
0.3
1.0
0.3
1.0
V
4.5
0.9
2.2
0.9
2.2
0.9
2.2
V
6
1.2
3.0
1.2
3.0
1.2
3.0
V
VH
-
-
2
0.2
1.0
0.2
1.0
0.2
1.0
V
4.5
0.4
1.4
0.4
1.4
0.4
1.4
V
6
0.6
1.6
0.6
1.6
0.6
1.6
V
VOH
VT- or -0.02
2
1.9
-
1.9
-
1.9
-
V
VT+
-0.02
4.5
4.4
-
4.4
-
4.4
-
V
-0.02
6
5.9
-
5.9
-
5.9
-
V
-
-
-
-
-
-
-
-
V
-4
4.5
3.98
-
3.84
-
3.7
-
V
-5.2
6
5.48
-
5.34
-
5.2
-
V
4