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SN74AHC139 Scheda tecnica(PDF) 4 Page - Texas Instruments

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Il numero della parte SN74AHC139
Spiegazioni elettronici  DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN74AHC139 Scheda tecnica(HTML) 4 Page - Texas Instruments

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SN54AHC139, SN74AHC139
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SCLS259K – DECEMBER 1995 – REVISED MARCH 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54AHC139
SN74AHC139
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
2
1.9
1.9
IOH = –50 mA
3 V
2.9
3
2.9
2.9
VOH
4.5 V
4.4
4.5
4.4
4.4
V
OH
IOH = –4 mA
3 V
2.58
2.48
2.48
IOH = –8 mA
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 mA
3 V
0.1
0.1
0.1
VOL
4.5 V
0.1
0.1
0.1
V
OL
IOL = 4 mA
3 V
0.36
0.5
0.44
IOL = 8 mA
4.5 V
0.36
0.5
0.44
II
VI = 5.5 V or GND
0 V to 5.5 V
±0.1
±1*
±1
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
40
40
mA
Ci
VI = VCC or GND
5 V
2
10
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHC139
SN74AHC139
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
Y
CL =15 pF
7.2**
11**
1**
13**
1
13
ns
tPHL
A or B
Y
CL = 15 pF
7.2**
11**
1**
13**
1
13
ns
tPLH
G
Y
CL =15 pF
6.4**
9.2**
1**
11**
1
11
ns
tPHL
G
Y
CL = 15 pF
6.4**
9.2**
1**
11**
1
11
ns
tPLH
AorB
Y
CL =50 pF
9.7
14.5
1
16.5
1
16.5
ns
tPHL
A or B
Y
CL = 50 pF
9.7
14.5
1
16.5
1
16.5
ns
tPLH
G
Y
CL =50 pF
8.9
12.7
1
14.5
1
14.5
ns
tPHL
G
Y
CL = 50 pF
8.9
12.7
1
14.5
1
14.5
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHC139
SN74AHC139
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
Y
CL =15 pF
5**
7.2**
1**
8.5**
1
8.5
ns
tPHL
A or B
Y
CL = 15 pF
5**
7.2**
1**
8.5**
1
8.5
ns
tPLH
G
Y
CL =15 pF
4.4**
6.3**
1**
7.5**
1
7.5
ns
tPHL
G
Y
CL = 15 pF
4.4**
6.3**
1**
7.5**
1
7.5
ns
tPLH
AorB
Y
CL =50 pF
6.5
9.2
1
10.5
1
10.5
ns
tPHL
A or B
Y
CL = 50 pF
6.5
9.2
1
10.5
1
10.5
ns
tPLH
G
Y
CL =50 pF
5.9
8.3
1
9.5
1
9.5
ns
tPHL
G
Y
CL = 50 pF
5.9
8.3
1
9.5
1
9.5
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.


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