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| CD54HC194_08 Datasheet, PDF (3/17 Pages) Texas Instruments – High-Speed CMOS Logic 4-Bit Bidirectional Universal Shift Register | |||
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CD54HC194, CD74HC194, CD74HCT194
Absolute Maximum Ratings
Thermal Information
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 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 or IGND . . . . . . . . . . . . . . . . . .±50mA
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
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000ns (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400ns (Max)
Package Thermal Impedance, θJA (see Note 2):
E (PDIP) Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67oC/W
M (SOIC) Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73oC/W
NS (SOP) Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64oC/W
PW (TSSOP) Package . . . . . . . . . . . . . . . . . . . . . . . . . 108oC/W
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in âAbsolute Maximum Ratingsâ 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 speciï¬cation is not implied.
NOTE:
1. The package thermal impedance is calculated in accordance with JESD 51-7.
DC Electrical Speciï¬cations
TEST
CONDITIONS
25oC
-40oC TO 85oC -55oC TO 125oC
PARAMETER
HC TYPES
SYMBOL VI (V) IO (mA) VCC (V) MIN TYP MAX MIN
MAX
MIN
MAX UNITS
High Level Input
Voltage
VIH
-
-
2
1.5 -
-
1.5
-
1.5
-
V
4.5 3.15 -
-
3.15
-
3.15
-
V
6
4.2 -
-
4.2
-
4.2
-
V
Low Level Input
Voltage
VIL
-
-
2
-
- 0.5
-
0.5
-
0.5
V
4.5
-
- 1.35
-
1.35
-
1.35
V
6
-
- 1.8
-
1.8
-
1.8
V
High Level Output
Voltage
CMOS Loads
VOH
VIH or -0.02
2
1.9 -
-
1.9
-
1.9
-
V
VIL
-0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
-0.02
6
5.9 -
-
5.9
-
5.9
-
V
High Level Output
Voltage
TTL Loads
-4
4.5 3.98 -
-
3.84
-
3.7
-
V
-5.2
6
5.48 -
-
5.34
-
5.2
-
V
Low Level Output
Voltage
CMOS Loads
VOL
VIH or 0.02
2
-
- 0.1
-
0.1
-
0.1
V
VIL
0.02
4.5
-
- 0.1
-
0.1
-
0.1
V
0.02
6
-
- 0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
4
4.5
-
- 0.26
-
0.33
-
5.2
6
-
- 0.26
-
0.33
-
0.4
V
0.4
V
3
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