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CD74HC299 Datasheet, PDF (3/10 Pages) Texas Instruments – High Speed CMOS Logic 8-Bit Universal Shift Register; Three-State
CD74HC299, CD74HCT299
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
For Q Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±25mA
For I/O Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±35mA
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)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
125
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
120
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 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
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. θJA is measured with the component mounted on an evaluation PC board in free air.
DC Electrical Specifications
PARAMETER
HC TYPES
SYMBOL
TEST
CONDITIONS
VI (V)
IO (mA)
VCC
25oC
-40oC TO 85oC -55oC TO 125oC
(V) MIN TYP MAX MIN MAX MIN MAX UNITS
High Level Input
VIH
-
Voltage
-
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
VIL
-
Voltage
-
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 VOH VIH or VIL
-0.02
2
1.9
-
-
1.9
-
1.9
-
V
Voltage
CMOS Loads
4.5 4.4
-
-
4.4
-
4.4
-
V
6
5.9
-
-
5.9
-
5.9
-
V
High Level Output
Voltage
TTL Loads
Qn I/On -
-
-
-
-
-
-
-
V
-4
-6
4.5 3.98
-
-
3.84
-
3.7
-
V
-5.2 -7.8
6
5.48
-
-
5.34
-
5.2
-
V
Low Level Output
Voltage
CMOS Loads
VOL VIH or VIL
0.02
2
-
4.5
-
6
-
-
0.1
-
0.1
-
0.1
V
-
0.1
-
0.1
-
0.1
V
-
0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
Qn I/On -
-
4
6
4.5
-
5.2 7.8
6
-
-
-
-
-
-
-
0.26
-
0.33
-
-
0.26
-
0.33
-
-
V
0.4
V
0.4
V
Input Leakage
Current
II
VCC or
-
GND
6
-
-
±0.1
-
±1
-
±1
µA
3