參數(shù)資料
型號: 74AHCT138PWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: 3-to-8 line decoder/demultiplexer; inverting
中文描述: AHCT/VHCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝: 4.40 MM, PLASTIC, SOT-403-1, TSSOP-16
文件頁數(shù): 3/16頁
文件大?。?/td> 84K
代理商: 74AHCT138PWDH
1999 Sep 27
3
Philips Semiconductors
Product specification
3-to-8 line decoder/demultiplexer; inverting
74AHC138;
74AHCT138
FUNCTION TABLE
See note 1.
Note
1.
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
ORDERING INFORMATION
PINNING
INPUT
OUTPUT
E
1
H
X
X
L
L
L
L
L
L
L
L
E
2
X
H
X
L
L
L
L
L
L
L
L
E
3
X
X
L
H
H
H
H
H
H
H
H
A
0
X
X
X
L
H
L
H
L
H
L
H
A
1
X
X
X
L
L
H
H
L
L
H
H
A
2
X
X
X
L
L
L
L
H
H
H
H
Y
0
H
H
H
L
H
H
H
H
H
H
H
Y
1
H
H
H
H
L
H
H
H
H
H
H
Y
2
H
H
H
H
H
L
H
H
H
H
H
Y
3
H
H
H
H
H
H
L
H
H
H
H
Y
4
H
H
H
H
H
H
H
L
H
H
H
Y
5
H
H
H
H
H
H
H
H
L
H
H
Y
6
H
H
H
H
H
H
H
H
H
L
H
Y
7
H
H
H
H
H
H
H
H
H
H
L
OUTSIDE NORTH
AMERICA
NORTH AMERICA
PACKAGES
PINS
PACKAGE
MATERIAL
CODE
74AHC138D
74AHC138PW
74AHCT138D
74AHCT138PW
74AHC138D
74AHC138PW DH
74AHCT138D
74AHCT138PW DH
16
16
16
16
SO
plastic
plastic
plastic
plastic
SOT109-1
SOT403-1
SOT109-1
SOT403-1
TSSOP
SO
TSSOP
PIN
SYMBOL
DESCRIPTION
1, 2 and 3
4 and 5
6
7, 9, 10 11, 12, 13, 14 and 15
8
16
A
0
, A
1
and A
2
E
1
and E
2
E
3
Y
7
to Y
0
GND
V
CC
address inputs
enable inputs (active LOW)
enable input (active HIGH)
outputs (active LOW)
ground (0 V)
DC supply voltage
相關PDF資料
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