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参数资料
| 型号： | SN74LV138D |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | LV/LV-A/LVX/H SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| 封装： | PLASTIC, SO-16 |
| 文件页数： | 4/8页 |
| 文件大小： | 156K |
| 代理商： | SN74LV138D |
SN54LV138, SN74LV138
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCLS190D – FEBRUARY 1993 – REVISED JULY 1996
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
– 0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1)
– 0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, VO (see Notes 1 and 2)
– 0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0 or VI > VCC)
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0 or VO > VCC)
±50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO (VO = 0 to VCC)
±25 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND
±50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum power dissipation at TA = 55°C (in still air) (see Note 3): D package
1.3 W
. . . . . . . . . . . . . . . . . . . .
DB package
0.55 W
. . . . . . . . . . . . . . . . . .
PW package
0.5 W
. . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. This value is limited to 7 V maximum.
3. The maximum package power dissipation is calculated using a junction temperature of 150
°C and a board trace length of 750 mils.
recommended operating conditions (see Note 4)
SN54LV138
SN74LV138
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
2.7
5.5
2.7
5.5
V
VIH
High level input voltage
VCC = 2.7 V to 3.6 V
2
V
VIH
High-level input voltage
VCC = 4.5 V to 5.5 V
3.15
V
VIL
Low level input voltage
VCC = 2.7 V to 3.6 V
0.8
V
VIL
Low-level input voltage
VCC = 4.5 V to 5.5 V
1.65
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
IOH
High level output current
VCC = 2.7 V to 3.6 V
–6
mA
IOH
High-level output current
VCC = 4.5 V to 5.5 V
–12
mA
IOL
Low level output current
VCC = 2.7 V to 3.6 V
6
mA
IOL
Low-level output current
VCC = 4.5 V to 5.5 V
12
mA
t/v
Input transition rise or fall rate
0
100
0
100
ns / V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 4: Unused inputs must be held high or low to prevent them from floating.
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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