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SN54F258 PDF预览

SN54F258

更新时间: 2024-11-08 22:53:39
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德州仪器 - TI 复用器输出元件
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5页 77K
描述
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

SN54F258 数据手册

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SN54F258, SN74F258  
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS  
WITH 3-STATE OUTPUTS  
SDFS067A – D2932, MARCH 1987 – REVISED OCTOBER 1993  
SN54F258 . . . J PACKAGE  
SN74F258 . . . D OR N PACKAGE  
(TOP VIEW)  
3-State Outputs Interface Directly With  
System Bus  
Provides Bus Interface From Multiple  
Sources in High-Performance Systems  
V
A/B  
1A  
1B  
1Y  
2A  
2B  
2Y  
GND  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CC  
Package Options Include Plastic  
Small-Outline Packages, Ceramic Chip  
Carriers, and Standard Plastic and Ceramic  
300-mil DIPs  
OE  
4A  
4B  
4Y  
3A  
3B  
3Y  
description  
The F258 is designed to multiplex signals from  
4-bit data sources to 4-output data lines in  
bus-organized systems. The 3-state outputs will  
not load the data lines when the output-enable  
(OE) input is at a high logic level.  
SN54F258 . . . FK PACKAGE  
(TOP VIEW)  
The SN54F258 is characterized for operation over  
the full military temperature range of 55°C to  
125°C. The SN74F258 is characterized for  
operation from 0°C to 70°C.  
3
2
1
20 19  
18  
4
5
6
7
8
1B  
1Y  
NC  
2A  
2B  
4A  
4B  
NC  
4Y  
3A  
17  
16  
15  
14  
FUNCTION TABLE  
INPUTS  
OUTPUT  
Y
9 10 11 12 13  
OE  
H
L
A/B  
A
X
L
B
X
X
X
L
X
L
Z
H
L
L
L
H
X
X
NC – No internal connection  
L
H
H
H
L
L
H
logic symbol  
15  
EN  
G1  
OE  
1
A/B  
2
1A  
1B  
2A  
2B  
3A  
3B  
4A  
4B  
MUX  
4
1
1
3
1Y  
5
7
6
2Y  
11  
10  
14  
13  
9
3Y  
12  
4Y  
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.  
Pin numbers shown are for the D, J, and N packages.  
Copyright 1993, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
2–1  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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