CD74HC195 Datasheet, PDF (3/6 Pages) Texas Instruments – High Speed CMOS Logic 4-Bit Parallel Access Register

CD74HC195
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 (^oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
90
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
190
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150^oC
Maximum Storage Temperature Range . . . . . . . . . .-65^oC to 150^oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300^oC
(SOIC - Lead Tips Only)
Operating Conditions
Temperature Range (T_A) . . . . . . . . . . . . . . . . . . . . . -55^oC to 125^oC
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
25^oC
-40^oC TO 85^oC -55^oC TO 125^oC
PARAMETER
High Level Input
Voltage
SYMBOL V_I (V) I_O (mA) V_CC (V) MIN TYP MAX MIN MAX MIN MAX UNITS
V_IH
-
-
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
V_IL
-
-
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
V_OH V_IH or V_IL -0.02
2
1.9
-
-
1.9
-
1.9
-
V
Voltage
CMOS Loads
-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
-
-
-
-
-
-
-
-
-
V
-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
V_OL V_IH or V_IL 0.02
2
-
-
0.1
-
0.1
-
0.1
V
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
-
-
-
-
-
-
-
-
-
V
4
4.5
-
-
0.26
-
0.33
-
0.4
V
5.2
6
-
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current
I_I
V_CC or
-
GND
6
-
-
±0.1
-
±1
-
±1
µA
Quiescent Device
Current (Note)
I_CC
V_CC or
0
GND
6
-
-
8
-
80
-
160
µA
NOTE: For dual-supply systems theorectical worst case (V_I = 2.4V, V_CC = 5.5V) specification is 1.8mA.
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