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SN74AHC138D Datasheet(PDF) 4 Page - Texas Instruments

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Part # SN74AHC138D
Description  3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74AHC138D Datasheet(HTML) 4 Page - Texas Instruments

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SN54AHC138, SN74AHC138
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCLS258L – DECEMBER 1995 – REVISED JULY 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
SN54AHC138
SN74AHC138
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
SN54AHC138
SN74AHC138
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
ABC
Any Y
CL =15 pF
8.2**
11.4**
1**
13**
1
13
ns
tPHL
A, B, C
Any Y
CL = 15 pF
8.2**
11.4**
1**
13**
1
13
ns
tPLH
G1
Any Y
CL =15 pF
8.1**
12.8**
1**
15**
1
15
ns
tPHL
G1
Any Y
CL = 15 pF
8.1**
12.8**
1**
15**
1
15
ns
tPLH
G2A G2B
Any Y
CL =15 pF
8.2**
11.4**
1**
13.5**
1
13.5
ns
tPHL
G2A, G2B
Any Y
CL = 15 pF
8.2**
11.4**
1**
13.5**
1
13.5
ns
tPLH
ABC
Any Y
CL =50 pF
10
15.8
1
18
1
18
ns
tPHL
A, B, C
Any Y
CL = 50 pF
10
15.8
1
18
1
18
ns
tPLH
G1
Any Y
CL =50 pF
10.6
16.3
1
18.5
1
18.5
ns
tPHL
G1
Any Y
CL = 50 pF
10.6
16.3
1
18.5
1
18.5
ns
tPLH
G2A G2B
Any Y
CL =50 pF
10.7
14.9
1
17
1
17
ns
tPHL
G2A, G2B
Any Y
CL = 50 pF
10.7
14.9
1
17
1
17
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.


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