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CD54HC4538 Datasheet(Fiches technique) 4 Page - Texas Instruments

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Numéro de pièce CD54HC4538
Description  High Speed CMOS Logic Dual Retriggerable Precision Monostable Multivibrator
Télécharger  11 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

CD54HC4538 Datasheet(HTML) 4 Page - Texas Instruments

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4
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 . . . . . . . . . . . . . . . . . . . . . . . . .±50mA
Operating Conditions
Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . -55
oC to 125oC
Supply Voltage Range, VCC (Note 5)
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 Times, tr, tf
Reset Input:
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000ns (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400ns (Max)
Trigger Inputs A or B:
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited (Max)
External Timing Resistor, RX (Note 6) . . . . . . . . . . . . . . . .5kΩ (Min)
External Timing Capacitor, CX (Note 6) . . . . . . . . . . . . . . . . . 0 (Min)
Thermal Resistance (Typical, Note 7)
θJA (oC/W) θJC (oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . .
90
N/A
SOIC Package . . . . . . . . . . . . . . . . . . .
160
N/A
CERDIP Package . . . . . . . . . . . . . . . .
130
55
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 “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.
NOTES:
5. Unless otherwise specified, all voltages are referenced to ground.
6. The maximum allowable values of RX and CX are a function of leakage of capacitor CX, the leakage of the HC4538, and leakage due to
board layout and surface resistance. Values of RX and CX should be chosen so that the maximum current into pin 2 or pin 14 is 30mA.
Susceptibility to externally induced noise signals may occur for RX > 1MΩ.
7.
θJA is measured with the component mounted on an evaluation PC board in free air.
DC Electrical Specifications
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC
(V)
25oC
-40oC TO 85oC -55oCTO125oC
UNITS
VI (V)
IO (mA)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
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 VIL
-0.02
2
1.9
-
-
1.9
-
1.9
-
V
-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
CD54HC4538, CD74HC4538, CD74HCT4538


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