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SN74AS353B PDF预览

SN74AS353B

更新时间: 2024-10-01 11:58:39
品牌 Logo 应用领域
德州仪器 - TI 复用器输出元件
页数 文件大小 规格书
9页 233K
描述
DUAL 1-OF-4 DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS

SN74AS353B 数据手册

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ꢀꢁꢂ ꢃꢄ ꢀꢅ ꢆꢅ ꢇ  
ꢈꢉꢄ ꢊꢋꢌ ꢍꢎ ꢏ ꢍꢃ ꢋꢈꢄꢐꢄꢋꢀ ꢑꢊ ꢑꢒꢐꢎ ꢓꢔꢕ ꢉꢊꢐꢖ ꢗ ꢊꢑ ꢘꢑ ꢓ  
ꢙ ꢖꢐ ꢚꢋ ꢅ ꢍꢀꢐꢄꢐ ꢑꢋ ꢎ ꢉꢐ ꢗꢉ ꢐꢀ  
SDAS222A − APRIL 1982 − REVISED DECEMBER 1994  
D OR N PACKAGE  
(TOP VIEW)  
Inverting Version of AS253  
Permits Multiplexing From n Lines to  
One Line  
1OE  
B
V
CC  
2OE  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Performs Parallel-to-Serial Conversion  
Package Options Include Plastic  
Small-Outline (D) Packages and Standard  
Plastic (N) 300-mil DIPs  
1C3  
1C2  
1C1  
1C0  
1Y  
A
2C3  
2C2  
2C1  
2C0  
2Y  
description  
GND  
This data selector/multiplexer contains inverters  
and drivers to supply full binary decoding data  
selection to the AND-OR-invert gates. Separate  
output-enable (OE) inputs are provided for each of  
the two 4-line sections.  
The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the  
common outputs disabled (at the high-impedance state), the low impedance of the single enabled output drives  
the bus line to a high or low logic level. Each section has its own output enable. The output is disabled when  
OE is high.  
The SN74ALS353B is characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OUTPUT  
SELECT  
DATA  
C1  
Y
OE  
B
A
X
L
C0  
X
L
C2  
X
X
X
X
X
L
C3  
X
X
X
X
X
X
X
L
X
L
X
X
X
L
H
L
L
L
L
L
L
L
L
Z
H
L
L
L
H
X
X
X
X
X
X
L
H
H
L
H
L
L
H
X
X
X
X
H
H
H
H
H
L
L
H
X
X
H
H
H
L
H
Select inputs A and B are common to both sections.  
ꢐꢦ  
Copyright 1994, Texas Instruments Incorporated  
ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443  

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