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CD74AC139E 데이터시트(PDF) 5 Page - Texas Instruments

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부품명 CD74AC139E
상세설명  Dual 2-to-4-Line Decoder/Demultiplexer
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

CD74AC139E 데이터시트(HTML) 5 Page - Texas Instruments

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5
Switching Specifications Input tr, tf = 3ns, CL = 50pF (Worst Case)
PARAMETER
SYMBOL
VCC (V)
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
AC TYPES
Propagation Delay, A0, A1 to
Outputs
tPLH, tPHL
1.5
-
-
119
-
-
131
ns
3.3
(Note 9)
3.9
-
13.4
3.7
-
14.7
ns
5
(Note 10)
2.8
-
9.5
2.6
-
10.5
ns
Propagation Delay,
E to Outputs
tPLH, tPHL
1.5
-
-
119
-
-
131
ns
3.1
3.9
-
13.4
3.7
-
14.7
ns
5
2.8
-
9.5
2.6
-
10.5
ns
Input Capacitance
CI
-
-
-10-
-10
pF
Power Dissipation Capacitance
CPD
(Note 11)
-
-
83
-
-
83
-
pF
ACT TYPES
Propagation Delay, A0, A1 to
Outputs
tPLH, tPHL
5
(Note 10)
3.1
-
10.5
2.9
-
11.5
ns
Propagation Delay,
E to Outputs
tPLH, tPHL
5
3.2
-
10.9
3
-
12
ns
Input Capacitance
CI
-
-
-10-
-10
pF
Power Dissipation Capacitance
CPD
(Note 11)
-
-
83
-
-
83
-
pF
NOTES:
8. Limits tested at 100%.
9. 3.3V Min at 3.6V, Max at 3V.
10. 5V Min at 5.5V, Max at 4.5V.
11. CPD is used to determine the dynamic power consumption per decoder/demultiplexer.
AC: PD = VCC
2 f
i (CPD + CL)
ACT: PD = VCC
2 f
i (CPD + CL) + VCC ∆ICC where fi = input frequency, CL = output load capacitance, VCC = supply voltage.
FIGURE 1.
FIGURE 2.
tr = 3ns
90%
tf = 3ns
VS
10%
tPHL
VS
INPUT E
tPLH
INPUT Y3
INPUT
GND
LEVEL
INPUT
LEVEL
A1
GND
OUTPUT Y3
3ns
3ns
90%
10%
VS
tPHL
tPLH
VS
CD74AC139, CD74ACT139


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