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SN54ALS02A_14 PDF预览

SN54ALS02A_14

更新时间: 2024-11-05 02:58:15
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德州仪器 - TI 输入元件
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16页 665K
描述
QUADRUPLE 2-INPUT POSITIVE-NOR GATES

SN54ALS02A_14 数据手册

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ꢋ ꢌꢄꢍꢎ ꢌꢏꢅ ꢐꢉ ꢇꢑꢒ ꢁꢏꢌ ꢓ ꢉꢏꢔ ꢀ ꢒꢓ ꢒꢕꢐ ꢑꢁꢔꢎ ꢉ ꢖ ꢄꢓꢐ ꢀ  
SDAS111B − APRIL 1982 − REVISED DECEMBER 1994  
SN54ALS02A, SN54AS02 . . . J PACKAGE  
SN74ALS02A, SN74AS02 . . . 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  
1B  
2Y  
2A  
V
CC  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
4Y  
4B  
4A  
3Y  
3B  
3A  
description  
These devices contain four independent 2-input  
positive-NOR gates. They perform the Boolean  
functions Y = A + B or Y = A B in positive logic.  
2B  
GND  
8
The SN54ALS02A and SN54AS02 are  
characterized for operation over the full military  
temperature range of 55°C to 125°C. The  
SN74ALS02A and SN74AS02 are characterized  
for operation from 0°C to 70°C.  
SN54ALS02A, SN54AS02 . . . FK PACKAGE  
(TOP VIEW)  
FUNCTION TABLE  
(each gate)  
3
2
1
20 19  
18  
1B  
NC  
2Y  
4B  
NC  
4A  
NC  
3Y  
4
5
6
7
8
INPUTS  
OUTPUT  
Y
17  
16  
15  
14  
A
B
X
H
L
H
X
L
L
L
NC  
2A  
9 10 11 12 13  
H
NC − No internal connection  
logic symbol  
logic diagram (positive logic)  
2
1A  
3
2
1A  
3
1
4
1  
1
4
1Y  
2Y  
3Y  
4Y  
1Y  
2Y  
3Y  
4Y  
1B  
5
1B  
5
2A  
6
2A  
6
2B  
8
2B  
8
3A  
9
10  
13  
3A  
9
10  
13  
3B  
11  
3B  
11  
4A  
12  
4B  
4A  
12  
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.  
ꢓꢤ  
Copyright 1994, Texas Instruments Incorporated  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
ꢢꢤ  
ꢟꢝ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443  

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