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參數(shù)資料
| 型號： | SN54LV138A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS |
| 中文描述： | 3線至8線解碼器/解復用器 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 388K |
| 代理商： | SN54LV138A |
www.ti.com
Switching Characteristics
over recommended operating free-air temperature range, V
CC
= 2.5 V
±
0.2 V (unless otherwise noted) (see
Figure 1
)
Switching Characteristics
over recommended operating free-air temperature range, V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see
Figure 1
)
Switching Characteristics
over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see
Figure 1
)
Operating Characteristics
T
A
= 25
°
C
SN54LV138A, SN74LV138A
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCLS395L–APRIL 1998–REVISED AUGUST 2005
T
A
= 25
°
C
TYP
11.7
(2)
12.3
(2)
11.4
(2)
14.9
15.7
14.8
SN54LV138A
(1)
MIN
1
(2)
1
(2)
1
(2)
1
1
1
SN74LV138A
MIN
1
1
1
1
1
1
FROM
(INPUT)
TO
LOAD
PARAMETER
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
17.6
(2)
19.2
(2)
18.2
(2)
21.4
22.6
MAX
21
(2)
22
(2)
21
(2)
25
26
25
MAX
21
22
21
25
26
25
A, B, or C
G1
G2A or G2B
A, B, or C
G1
G2A or G2B
t
pd
Y
C
L
= 15 pF
ns
t
pd
Y
C
L
= 50 pF
ns
22
(1)
(2)
Product Preview
On products compliant to MIL-PRF-38535, this parameter is not production tested.
T
A
= 25
°
C
TYP
8.1
(2)
8.4
(2)
7.8
(2)
10.3
10.6
SN54LV138A
(1)
MIN
1
(2)
1
(2)
1
(2)
1
1
1
SN74LV138A
MIN
1
1
1
1
1
1
FROM
(INPUT)
TO
LOAD
PARAMETER
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
11.4
(2)
12.8
(2)
11.4
(2)
15.8
16.3
14.9
MAX
13.5
(2)
15
(2)
13.5
(2)
MAX
13.5
15
13.5
18
18.5
17
A, B, or C
G1
G2A or G2B
A, B, or C
G1
G2A or G2B
t
pd
Y
C
L
= 15 pF
ns
18
t
pd
Y
C
L
= 50 pF
18.5
17
ns
10
(1)
(2)
Product Preview
On products compliant to MIL-PRF-38535, this parameter is not production tested.
T
A
= 25
°
C
TYP
5.6
(2)
5.7
(2)
5.4
(2)
SN54LV138A
(1)
MIN
1
(2)
1
(2)
1
(2)
1
1
1
SN74LV138A
MIN
1
1
1
1
1
1
FROM
(INPUT)
TO
LOAD
PARAMETER
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
8.1
(2)
8.1
(2)
8.1
(2)
10.1
10.1
10.1
MAX
9.5
(2)
9.5
(2)
9.5
(2)
11.5
11.5
11.5
MAX
9.5
9.5
9.5
11.5
11.5
11.5
A, B, or C
G1
G2A or G2B
A, B, or C
G1
G2A or G2B
t
pd
Y
C
L
= 15 pF
ns
7
t
pd
Y
C
L
= 50 pF
7.1
6.8
ns
(1)
(2)
Product Preview
On products compliant to MIL-PRF-38535, this parameter is not production tested.
PARAMETER
TEST CONDITIONS
V
CC
3.3 V
5 V
TYP
16.8
19.1
UNIT
C
pd
Power dissipation capacitance
C
L
= 50 pF,
f = 10 MHz
pF
6
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