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參數(shù)資料
| 型號(hào)： | SNJ54LV138AJ |
| 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(fù)用器 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 388K |
| 代理商： | SNJ54LV138AJ |
www.ti.com
Recommended Operating Conditions
(1)
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
SN54LV138A, SN74LV138A
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCLS395L–APRIL 1998–REVISED AUGUST 2005
SN54LV138A
(2)
MIN
2
1.5
V
CC
×
0.7
V
CC
×
0.7
V
CC
×
0.7
SN74LV138A
MIN
2
1.5
V
CC
×
0.7
V
CC
×
0.7
V
CC
×
0.7
UNIT
MAX
5.5
MAX
5.5
V
CC
Supply voltage
V
V
CC
= 2 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 3 V to 3.6 V
V
CC
= 4.5 V to 5.5 V
V
CC
= 2 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 3 V to 3.6 V
V
CC
= 4.5 V to 5.5 V
V
IH
High-level input voltage
V
0.5
0.5
V
CC
×
0.3
V
CC
×
0.3
V
CC
×
0.3
V
CC
×
0.3
V
CC
×
0.3
V
CC
×
0.3
V
IL
Low-level input voltage
V
V
I
V
O
Input voltage
Output voltage
0
0
5.5
V
CC
–50
–2
–6
–12
50
0
0
5.5
V
CC
–50
–2
–6
–12
50
V
V
μ
A
V
CC
= 2 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 3 V to 3.6 V
V
CC
= 4.5 V to 5.5 V
V
CC
= 2 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 3 V to 3.6 V
V
CC
= 4.5 V to 5.5 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 3 V to 3.6 V
V
CC
= 4.5 V to 5.5 V
I
OH
High-level output current
mA
μ
A
2
6
2
6
I
OL
Low-level output current
mA
12
12
200
100
20
85
200
100
20
125
t/
v
Input transition rise or fall rate
ns/V
T
A
Operating free-air temperature
–55
–40
°
C
(1)
All unused inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
Product Preview
(2)
SN54LV138A
(1)
MIN
V
CC
– 0.1
2
2.48
3.8
SN74LV138A
MIN
V
CC
– 0.1
2
2.48
3.8
PARAMETER
TEST CONDITIONS
V
CC
UNIT
TYP
MAX
TYP
MAX
I
OH
= –50
μ
A
I
OH
= –2 mA
I
OH
= –6 mA
I
OH
= –12 mA
I
OL
= 50
μ
A
I
OL
= 2 mA
I
OL
= 6 mA
I
OL
= 12 mA
V
I
= 5.5 V or GND
V
I
= V
CC
or GND,
V
I
or V
O
= 0 to 5.5 V
V
I
= V
CC
or GND
2 V to 5.5 V
2.3 V
3 V
4.5 V
2 V to 5.5 V
2.3 V
3 V
4.5 V
0 to 5.5 V
5.5 V
0
3.3 V
V
OH
V
0.1
0.4
0.44
0.55
±
1
20
0.1
0.4
0.44
0.55
±
1
20
V
OL
V
I
I
μ
A
μ
A
μ
A
pF
I
CC
I
off
C
i
I
O
= 0
5
5
2.1
2.1
(1)
Product Preview
5
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