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SN74ALS688N3 PDF预览

SN74ALS688N3

更新时间: 2024-01-31 06:56:09
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
14页 492K
描述
8-BIT IDENTITY COMPARATORS

SN74ALS688N3 数据手册

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SN54ALS688, SN74ALS688  
8-BIT IDENTITY COMPARATORS  
SDAS228A – JUNE 1982 – REVISED JANUARY 1995  
SN54ALS688 . . . J PACKAGE  
SN74ALS688 . . . DW OR N PACKAGE  
(TOP VIEW)  
Compare Two 8-Bit Words  
Totem-Pole Outputs (P = Q)  
ALS688 Are Identical to ALS521  
Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK), and Standard Plastic (N)  
and Ceramic (J) 300-mil DIPs  
G
P0  
V
CC  
P = Q  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
Q0  
Q7  
P1  
P7  
Q1  
Q6  
description  
P2  
P6  
Q2  
Q5  
These identity comparators perform comparisons  
on two 8-bit binary or BCD words and provide  
P = Q outputs. These devices have totem-pole  
outputs.  
P3  
Q3  
13 P5  
12 Q4  
11  
GND  
P4  
The SN54ALS688 is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS688 is characterized for  
operation from 0°C to 70°C.  
SN54ALS688 . . . FK PACKAGE  
(TOP VIEW)  
FUNCTION TABLE  
3
2
1
20 19  
18  
Q7  
P7  
Q6  
P6  
Q5  
P1  
Q1  
P2  
Q2  
P3  
INPUTS  
4
5
6
7
8
OUTPUT  
17  
16  
15  
14  
DATA ENABLE  
P = Q  
P, Q  
P = Q  
P > Q  
P < Q  
X
G
L
L
H
H
H
L
9 10 11 12 13  
L
H
Copyright 1995, 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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