參數(shù)資料
型號： SN74ALS138ANSRE4
廠商： TEXAS INSTRUMENTS INC
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝： GREEN, PLASTIC, SOP-16
文件頁數(shù)： 14/19頁
文件大?。?/td> 720K
代理商： SN74ALS138ANSRE4
SN54ALS138A, SN54AS138, SN74ALS138A, SN74AS138
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SDAS055E – APRIL 1982 – 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, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS138A
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS138A
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
recommended operating conditions
SN54ALS138A
SN74ALS138A
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
SN54ALS138A
SN74ALS138A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.5
V
VOH
VCC = 4.5 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
5
10
5
10
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)
SN54ALS138A
SN74ALS138A
MIN
MAX
MIN
MAX
tPLH
ABC
Any Y
2
28
5
22
ns
tPHL
A, B, C
Any Y
6
22
6
18
ns
tPLH
GorG
Any Y
2
22
3
17
ns
tPHL
G or G
Any Y
4
21
4
17
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74ALS138ANSRG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3 Ln TO 8 Ln DECODE DeMltplxrs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74ALS138D 制造商:Texas Instruments 功能描述:
SN74ALS138DR 制造商:Texas Instruments 功能描述:
SN74ALS138N 制造商:Texas Instruments 功能描述:IC 74ALS TTL 74ALS138 DIP16 5V 制造商:Texas Instruments 功能描述:IC, 74ALS TTL, 74ALS138, DIP16, 5V 制造商:Texas Instruments 功能描述:IC, DEMULTIPLEXER; Logic Type:Decoder / Demultiplexer; No. of Outputs:8; Supply Voltage Range:4.5V to 5.5V; Logic Case Style:DIP; No. of Pins:16; Operating Temperature Min:0C; Operating Temperature Max:70C; No. of Inputs:3 ;RoHS Compliant: Yes
SN74ALS138N 制造商:Texas Instruments 功能描述:IC 74ALS TTL 74ALS138 DIP16 5V
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