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SN74ALS521NE4 PDF预览

SN74ALS521NE4

更新时间: 2024-02-04 14:50:14
品牌 Logo 应用领域
德州仪器 - TI 运算电路逻辑集成电路光电二极管输入元件
页数 文件大小 规格书
16页 466K
描述
8-BIT IDENTITY COMPARATORS

SN74ALS521NE4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP20,.3针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.17其他特性:WITH PULL-UP RESISTORS ON Q INPUTS; CASCADABLE
系列:ALSJESD-30 代码:R-PDIP-T20
JESD-609代码:e4长度:25.4 mm
负载电容(CL):50 pF逻辑集成电路类型:IDENTITY COMPARATOR
位数:8功能数量:1
端子数量:20最高工作温度:70 °C
最低工作温度:输出特性:3-STATE
输出极性:INVERTED封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP20,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
最大电源电流(ICC):19 mA传播延迟(tpd):20 ns
认证状态:Not Qualified座面最大高度:5.08 mm
子类别:Arithmetic Circuits最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:TTL
温度等级:COMMERCIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

SN74ALS521NE4 数据手册

 浏览型号SN74ALS521NE4的Datasheet PDF文件第2页浏览型号SN74ALS521NE4的Datasheet PDF文件第3页浏览型号SN74ALS521NE4的Datasheet PDF文件第4页浏览型号SN74ALS521NE4的Datasheet PDF文件第5页浏览型号SN74ALS521NE4的Datasheet PDF文件第6页浏览型号SN74ALS521NE4的Datasheet PDF文件第7页 
SN54ALS520, SN74ALS518, SN74ALS520, SN74ALS521  
8-BIT IDENTITY COMPARATORS  
SDAS224B – JUNE 1982 – REVISED NOVEMBER 1995  
SN54ALS520 . . . J PACKAGE  
SN74ALS518, SN74ALS520,  
SN74ALS521 . . . DW OR N PACKAGE  
Compare Two 8-Bit Words  
Choice of Totem-Pole or Open-Collector  
Outputs  
(TOP VIEW)  
SN74ALS518 and ALS520 Have 20-k  
G
P0  
Q0  
P1  
Q1  
P2  
Q2  
P3  
Q3  
V
CC  
P = Q/P = Q  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
Pullup Resistors on Q Inputs  
Package Options Include Plastic  
Small-Outline (DW) Packages, Ceramic  
Chip Carriers (FK), and Standard Plastic (N)  
and Ceramic (J) 300-mil DIPs  
Q7  
P7  
Q6  
P6  
Q5  
INPUT  
PULLUP  
RESISTOR  
OUTPUT FUNCTION  
AND  
CONFIGURATION  
13 P5  
12 Q4  
TYPE  
11  
GND  
P4  
SN74ALS518  
ALS520  
Yes  
Yes  
No  
P = Q open collector  
P = Q totem pole  
P = Q totem pole  
P = Q for SN74ALS518  
P = Q for ALS520 and SN74ALS521  
SN74ALS521  
SN74ALS521 is identical to ALS688.  
SN54ALS520 . . . FK PACKAGE  
(TOP VIEW)  
description  
These identity comparators perform comparisons  
on two 8-bit binary or BCD words. The  
SN74ALS518 provides P = Q outputs, while the  
ALS520 and SN74ALS521 provide P = Q  
outputs. The SN74ALS518 has an open-collector  
output. The SN74ALS518 and ALS520 feature  
20-kpullup resistors on the Q inputs for analog  
or switch data.  
3
2
1
20 19  
18  
Q7  
P7  
Q6  
P6  
Q5  
P1  
Q1  
P2  
Q2  
P3  
4
5
6
7
8
17  
16  
15  
14  
9 10 11 12 13  
The SN54ALS520 is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS518, SN74ALS520, and  
SN74ALS521 are characterized for operation  
from 0°C to 70°C.  
FUNCTION TABLE  
INPUTS  
OUTPUTS  
DATA ENABLE  
P = Q  
P = Q  
P, Q  
P = Q  
P > Q  
P < Q  
X
G
L
H
L
L
L
L
L
H
H
H
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  

SN74ALS521NE4 替代型号

型号 品牌 替代类型 描述 数据表
SN74ALS688DWRE4 TI

完全替代

8-BIT IDENTITY COMPARATORS
SN74ALS688NE4 TI

完全替代

8-BIT IDENTITY COMPARATORS
SN74ALS521N TI

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