參數資料
型號： SNJ54ALS139J
廠商： TEXAS INSTRUMENTS INC
元件分類： 編、解碼器及復用、解復用
英文描述： ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CDIP16
封裝： 0.300 INCH, CERAMIC, DIP-16
文件頁數： 10/16頁
文件大?。?/td> 773K
代理商： SNJ54ALS139J
SN54ALS139, SN74ALS139
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SDAS204A – APRIL 1982 – REVISED DECEMBER 1994
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS139
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS139
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 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.
recommended operating conditions
SN54ALS139
SN74ALS139
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output current
– 0.4
mA
IOL
Low-level output current
4
8
mA
TA
Operating free-air temperature
–55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS139
SN74ALS139
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
V
VOH
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC –2
V
VOL
VCC =4 5V
IOL = 4 mA
0.25
0.4
0.25
0.4
V
VOL
VCC = 4.5 V
IOL = 8 mA
0.35
0.5
V
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.4 V
– 0.1
mA
IO§
VCC = 5.5 V,
VO = 2.25 V
–20
–112
–30
–112
mA
ICC
VCC = 5.5 V
8
13
8
13
mA
All typical values are at VCC = 5 V, TA = 25°C.
§ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX
UNIT
(INPUT)
(OUTPUT)
SN54ALS139
SN74ALS139
MIN
MAX
MIN
MAX
tPLH
AorB
Y
3
17
3
14
ns
tPHL
A or B
Y
3
17
3
14
ns
tPLH
G
Y
3
17
3
14
ns
tPHL
G
Y
3
18
3
15
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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