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CD54HC4538 Datasheet, PDF (5/11 Pages) Texas Instruments – High Speed CMOS Logic Dual Retriggerable Precision Monostable Multivibrator | |||
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CD54HC4538, CD74HC4538, CD74HCT4538
DC Electrical Speciï¬cations (Continued)
PARAMETER
Low Level Output
Voltage
CMOS Loads
TEST
CONDITIONS
SYMBOL VI (V) IO (mA)
VOL VIH or VIL 0.02
0.02
0.02
VCC
(V)
2
4.5
6
25oC
-40oC TO 85oC -55oC TO 125oC
MIN TYP MAX MIN MAX MIN MAX UNITS
-
-
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
-
-
-
-
-
-
-
-
-
V
4
4.5
-
-
0.26
-
0.33
-
0.4
V
5.2
6
-
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current A, B, R
II
VCC or
-
GND
6
-
-
±0.1
-
±1
-
±1
µA
Input Leakage
Current RXCX
(Note 9)
-
6
-
- ±0.05 -
±0.5
-
±0.5
µA
Quiescent Device
Current
ICC
VCC or
0
GND
6
-
-
8
-
80
-
160
µA
Active Device Current ICC
VCC or
0
Q = High & Pins 2, 14
GND
at VCC/4
HCT TYPES
6
-
-
0.6
-
0.8
-
1
mA
High Level Input
Voltage
VIH
-
-
4.5 to
2
-
-
2
-
2
-
V
5.5
Low Level Input
Voltage
VIL
-
-
4.5 to
-
-
0.8
-
0.8
-
0.8
V
5.5
High Level Output
VOH VIH or VIL -0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
Voltage
CMOS Loads
High Level Output
Voltage
TTL Loads
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
Low Level Output
Voltage
CMOS Loads
VOL VIH or VIL 0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
4
4.5
-
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current
II
VCC and
-
GND
5.5
-
±0.1
-
±1
-
±1
µA
Input Leakage
Current RXCX
(Note 9)
-
5.5
-
- ±0.05 -
±0.5
-
±0.5
µA
Quiescent Device
Current
ICC
VCC or
0
GND
5.5
-
-
8
-
80
-
160
µA
Active Device Current ICC
VCC or
0
Q = High & Pins 2, 14
GND
at VCC/4
5.5
-
-
0.6
-
0.8
-
1
mA
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
âICC
(Note 8)
VCC
-2.1
-
4.5 to
-
100 360
-
450
-
490
µA
5.5
NOTES:
8. For dual-supply systems theoretical worst case (VI = 2.4V, VCC = 5.5V) specification is 1.8mA.
9. When testing IIL the Q output must be high. If Q is low (device not triggered) the pull-up P device will be ON and the low resistance path
from VDD to the test pin will cause a current far exceeding the specification.
5
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