数据手册搜索引擎和 Datasheet免费下载 PDF
零件编号
产品描述 (功能)
HD74AC539 查看數據表(PDF) - Hitachi -> Renesas Electronics
零件编号
产品描述 (功能)
比赛名单
HD74AC539
Dual 1-of-4 Decoder with 3-State Output
Hitachi -> Renesas Electronics
HD74AC539 Datasheet PDF : 10 Pages
1
2
3
4
5
6
7
8
9
10
Pin Names
A
0a
to A
1a
A
0b
to A
1b
E
a
–
E
b
OE
a
,
OE
b
P
a
, P
b
O
0a
to O
3a
O
0b
to O
3b
Side A Address Inputs
Side B Address Inputs
Enable Inputs (Active LOW)
Output Enable Inputs (Active LOW)
Polarity Control Inputs
Side A 3-State Outputs
Side B 3-State Outputs
Truth Table
Inputs
Function
OE
E
High impedance
H
X
Disable
L
H
Active HIGH output
L
L
(P = L)
L
L
L
L
L
L
Active LOW output
L
L
(P = H)
L
L
L
L
L
L
H : High Voltage Level
L : Low Voltage Level
X : Immaterial
Z : High Impedance
A
1
A
0
X
X
X
X
L
L
L
H
H
L
H
H
L
L
L
H
H
L
H
H
Outputs
O
0
O
1
Z
Z
O
n
= P
H
L
L
H
L
L
L
L
L
H
H
L
H
H
H
H
HD74AC539
O
2
O
3
Z
Z
L
L
L
L
H
L
L
H
H
H
H
H
L
H
H
L
3
Share Link:
datasheetbank.com [
Privacy Policy
]
[
Request Datasheet
] [
Contact Us
]