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SN74AHC139DBR 数据表(PDF) 2 Page - Texas Instruments

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部件名 SN74AHC139DBR
功能描述  DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
Download  22 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

SN74AHC139DBR 数据表(HTML) 2 Page - Texas Instruments

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background image
Select
Inputs
Select
Inputs
2B
2A
2G
1B
1A
1G
Data
Outputs
2Y3
2Y2
2Y1
2Y0
1Y3
1Y2
1Y1
1Y0
1
2
3
15
14
13
4
5
6
7
12
11
10
9
SN74AHC139
SN54AHC139
SCLS259L – DECEMBER 1995 – REVISED JUNE 2013
www.ti.com
LOGIC DIAGRAM, EACH GATE (POSITIVE LOGIC)
Pin numbers shown are for the D, DB, DGV, J, N, NS, PW, RGY, and W packages.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
(1)
VALUE
UNIT
Supply voltage range, VCC
–0.5 to 7
V
Input voltage range, VI
(2)
–0.5 to 7
V
Output voltage range, VO
(2)
–0.5 to VCC + 0.5
V
Input clamp current, IIK (VI < 0)
–20
mA
Output clamp current, IOK (VO < 0 or VO > VCC)
±20
mA
Continuous output current, IO (VO = 0 to VCC)
±25
mA
Continuous current through VCC or GND
±75
mA
D package(3)
73
DB package(3)
82
DGV package(3)
120
Package thermal impedance,
θJA
N package(3)
67
°C/W
NS package(3)
64
PW package(3)
108
RGY package(4)
39
Storage temperature range, Tstg
–65 to 150
°C
(1)
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.
(2)
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
(3)
The package thermal impedance is calculated in accordance with JESD 51-7.
(4)
The package thermal impedance is calculated in accordance with JESD 51-5
2
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Copyright © 1995–2013, Texas Instruments Incorporated
Product Folder Links: SN74AHC139 SN54AHC139


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