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SN74AS257DRG4 PDF预览

SN74AS257DRG4

更新时间: 2024-10-01 14:44:51
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件逻辑集成电路
页数 文件大小 规格书
21页 1074K
描述
AS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16, GREEN, PLASTIC, SOIC-16

SN74AS257DRG4 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP16,.25
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.45
系列:ASJESD-30 代码:R-PDSO-G16
长度:9.9 mm逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.048 A功能数量:4
输入次数:2输出次数:1
端子数量:16最高工作温度:70 °C
最低工作温度:输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
包装方法:TAPE AND REEL峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V最大电源电流(ICC):31.9 mA
Prop。Delay @ Nom-Sup:6 ns传播延迟(tpd):6 ns
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Multiplexer/Demultiplexers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:YES技术:TTL
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

SN74AS257DRG4 数据手册

 浏览型号SN74AS257DRG4的Datasheet PDF文件第2页浏览型号SN74AS257DRG4的Datasheet PDF文件第3页浏览型号SN74AS257DRG4的Datasheet PDF文件第4页浏览型号SN74AS257DRG4的Datasheet PDF文件第5页浏览型号SN74AS257DRG4的Datasheet PDF文件第6页浏览型号SN74AS257DRG4的Datasheet PDF文件第7页 
ꢊ ꢋꢄꢌ ꢍꢋꢎ ꢅ ꢏ ꢆ ꢐꢅ ꢑꢁꢏ ꢒ ꢓ ꢔ ꢐꢅ ꢑꢁꢏ ꢌꢄꢒꢄ ꢀꢏ ꢅꢏ ꢕꢒꢓ ꢍꢀꢖ ꢗꢋ ꢅꢒ ꢑ ꢎꢅ ꢏꢘ ꢏ ꢍ  
ꢙ ꢑꢒ ꢚ ꢛ ꢐꢀꢒꢄꢒ ꢏ ꢓ ꢋꢒ ꢎꢋ ꢒ  
SDAS124C − APRIL 1982 − REVISED AUGUST 1996  
SN54ALS257A, SN54ALS258A . . . J PACKAGE  
SN74ALS257A, SN74ALS258A, SN74AS257,  
SN74AS258 . . . D OR N PACKAGE  
(TOP VIEW)  
D
D
D
3-State Outputs Interface Directly With  
System Bus  
Provide Bus Interface From Multiple  
Sources in High-Performance Systems  
A/B  
1A  
1B  
1Y  
2A  
2B  
2Y  
GND  
V
CC  
15 OE  
1
2
3
4
5
6
7
8
16  
Package Options Include Plastic  
Small-Outline (D) Packages, Ceramic Chip  
Carriers (FK), and Standard Plastic (N) and  
Ceramic (J) 300-mil DIPs  
4A  
4B  
14  
13  
12 4Y  
3A  
10 3B  
3Y  
description  
11  
These data selectors/multiplexers are designed  
9
to multiplex signals from 4-bit data sources to  
4-output data lines in bus-organized systems. The  
3-state outputs do not load the data lines when the  
output-enable (OE) input is at a high logic level.  
SN54ALS257A, SN54ALS258A . . . FK PACKAGE  
(TOP VIEW)  
The SN54ALS257A and SN54ALS258A are  
characterized for operation over the full military  
temperature range of −55°C to 125°C. The  
SN74ALS257A, SN74ALS258A, SN74AS257,  
and SN74AS258 are characterized for operation  
from 0°C to 70°C.  
3
2
1 20 19  
18  
4A  
4B  
NC  
4Y  
3A  
1B  
1Y  
NC  
2A  
2B  
4
5
6
7
8
17  
16  
15  
14  
9 10 11 12 13  
NC − No internal connection  
FUNCTION TABLE  
OUTPUT Y  
SN54ALS257A SN54ALS258A  
INPUTS  
DATA  
SN74ALS257A  
SN74AS257  
SN74ALS258A  
SN74AS258  
OE A/B  
A
B
H
L
L
L
L
X
L
X
L
X
X
X
L
Z
L
Z
H
L
L
H
X
X
H
L
H
H
H
L
H
H
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
ꢒꢧ  
Copyright 1996, Texas Instruments Incorporated  
ꢣ ꢧ ꢤ ꢣꢜ ꢝꢱ ꢟꢞ ꢢ ꢪꢪ ꢨꢢ ꢠ ꢢ ꢡ ꢧ ꢣ ꢧ ꢠ ꢤ ꢬ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443  

SN74AS257DRG4 替代型号

型号 品牌 替代类型 描述 数据表
SN74AS257D TI

完全替代

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AS253AD TI

完全替代

DUAL 1-OF-4 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AS157D TI

完全替代

QUADRUPLE 1-OF-2 DATA SELECTORS/MULTIPLEXERS

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SN74AS258 TI

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QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74AS258AD TI

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SN74AS258AD