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SN54ALS33AFK PDF预览

SN54ALS33AFK

更新时间: 2024-01-29 07:51:31
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德州仪器 - TI 输出元件输入元件
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4页 72K
描述
QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS WITH OPEN-COLLECTOR OUTPUTS

SN54ALS33AFK 数据手册

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SN54ALS33A, SN74ALS33A  
QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS  
WITH OPEN-COLLECTOR OUTPUTS  
SDAS034B – APRIL 1982 – REVISED DECEMBER 1994  
SN54ALS33A . . . J PACKAGE  
SN74ALS33A . . . D OR N PACKAGE  
(TOP VIEW)  
Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
1Y  
1A  
V
CC  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
4Y  
4B  
4A  
3Y  
3B  
3A  
description  
1B  
2Y  
These devices contain four independent 2-input  
positive-NOR buffers with open-collector outputs.  
Open-collector outputs require resistive pullup to  
2A  
2B  
perform correctly. They can deliver higher V  
GND  
8
OH  
levels and commonly are used in wired-AND  
applications. These devices perform the Boolean  
functions Y = A B or Y = A + B in positive logic.  
SN54ALS33A . . . FK PACKAGE  
(TOP VIEW)  
The SN54ALS33A is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS33A is characterized for  
operation from 0°C to 70°C.  
3
2
1
20 19  
18  
1B  
NC  
2Y  
4B  
NC  
4A  
NC  
3Y  
4
5
6
7
8
17  
16  
15  
14  
FUNCTION TABLE  
(each gate)  
NC  
2A  
INPUTS  
OUTPUT  
Y
A
B
X
H
L
9 10 11 12 13  
H
X
L
L
L
H
NC – No internal connection  
logic symbol  
logic diagram (positive logic)  
1
2
1A  
3
3
6
8
1A  
1
4
1  
1Y  
2Y  
3Y  
4Y  
2
1Y  
2Y  
3Y  
4Y  
1B  
1B  
5
4
2A  
2A  
6
5
2B  
2B  
8
9
3A  
9
10  
13  
3A  
10  
3B  
11  
3B  
4A  
12  
4B  
12  
11  
4A  
13  
4B  
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 1994, 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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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