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MC74ACT157DTR2 参数 Datasheet PDF下载

MC74ACT157DTR2图片预览
型号: MC74ACT157DTR2
PDF下载: 下载PDF文件 查看货源
内容描述: 四2输入多路复用器 [Quad 2-Input Multiplexer]
分类和应用: 解复用器逻辑集成电路光电二极管输入元件
文件页数/大小: 10 页 / 107 K
品牌: ONSEMI [ ON SEMICONDUCTOR ]
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MC74AC157, MC74ACT157
Quad 2−Input Multiplexer
The MC74AC157/74ACT157 is a high−speed quad 2−input
multiplexer. Four bits of data from two sources can be selected using
the common Select and Enable inputs. The four outputs present the
selected data in the true (noninverted) form.
The MC74AC157/74ACT157 can also be used as a function
generator.
Features
http://onsemi.com
Outputs Source/Sink 24 mA
ACT157 Has TTL Compatible Inputs
Pb−Free Packages are Available*
V
CC
16
E
15
I
0c
14
I
1c
13
Z
c
12
I
0d
11
I
1d
10
Z
d
9
16
1
PDIP−16
N SUFFIX
CASE 648
16
1
SOIC−16
D SUFFIX
CASE 751B
16
1
1
S
2
I
0a
3
I
1a
4
Z
a
5
I
0b
6
I
1b
7
Z
b
8
GND
16
1
TSSOP−16
DT SUFFIX
CASE 948F
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
TRUTH TABLE
Inputs
E
H
L
L
L
L
S
X
H
H
L
L
I
0
X
X
X
L
H
I
1
X
L
H
X
X
Outputs
Z
L
L
H
L
H
EIAJ−16
M SUFFIX
CASE 966
PIN NAMES
PIN
I
0a
−I
0d
I
1a
−I
1d
E
S
Z
a
−Z
d
FUNCTION
Source 0 Data Inputs
Source 0 Data Inputs
Enable Input
Select Input
Outputs
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 3 of this data sheet.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
©
Semiconductor Components Industries, LLC, 2005
1
January, 2005 − Rev. 6
Publication Order Number:
MC74AC157/D