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CD54HCT4538 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. CD54HCT4538
Description  High-Speed CMOS Logic Dual Retriggerable Precision Monostable Multivibrator
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD54HCT4538 Datasheet(HTML) 6 Page - Texas Instruments

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6
HCT Input Loading Table
INPUT
UNIT LOADS
All
0.5
NOTE: Unit Load is
∆ICC limit specified in DC Electrical Table, e.g.
360
µA max at 25oC.
Prerequisite for Switching Specifications
PARAMETER
SYMBOL
VCC (V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
HC TYPES
Input Pulse Widths
tWH, tWL
A, B
2
80
-
-
100
-
-
120
-
-
ns
4.5
16
-
-
20
-
-
24
-
-
ns
614
-
-
17
-
-
20
-
-
ns
RtWL
2
80
-
-
100
-
-
120
-
-
ns
4.5
16
-
-
20
-
-
24
-
-
ns
614
-
-
17
-
-
20
-
-
ns
Reset Recovery Time
tREC
25
-
-
5
-
-
5
-
-
ns
4.5
5
-
-
5
-
-
5
-
-
ns
65
-
-
5
-
-
5
-
-
ns
Retrigger Time
(Figure 11)
trT
5
-
175
-
-
-
-
-
-
-
ns
HCT TYPES
Input Pulse Widths
tWH, tWL
A, B
4.5
16
-
-
20
-
-
24
-
-
ns
RtWL
4.5
20
-
-
25
-
-
30
-
-
ns
Reset Recovery Time
tREC
4.5
5
-
-
5
-
-
5
-
-
ns
Retrigger Time
(Figure 11)
trT
5
-
175
-
-
-
-
-
-
-
ns
CD54HC4538, CD74HC4538, CD54HCT4538, CD74HCT4538


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