HD74HC137RPEL 查看數據表（PDF） - Renesas Electronics
零件编号
产品描述 (功能)
比赛名单
HD74HC137RPEL Datasheet PDF : 10 Pages
| |||
HD74HC137
Function Table
Inputs
Enable
Select
GL
G1
G2
C
B
A
X
X
H
X
X
X
X
L
X
X
X
X
L
H
L
L
L
L
L
H
L
L
L
H
L
H
L
L
H
L
L
H
L
L
H
H
L
H
L
H
L
L
L
H
L
H
L
H
L
H
L
H
H
L
L
H
L
H
H
H
H
H
L
X
X
X
H : High level
L : Low level
X : Irrelevant
Pin Arrangement
Outputs
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
L
Output Corresponding to stored address L; all Others. H
A1
B2
C3
GL 4
G2 5
G1 6
Y7 7
GND 8
A
B
Y0
C
Y1
GL
Y2
G2
Y3
G1
Y4
Y7 Y6 Y5
(Top view)
16 VCC
15 Y0
14 Y1
13 Y2
12 Y3
11 Y4
10 Y5
9 Y6
Rev.2.00, Oct 11, 2005 page 2 of 9
Share Link: 