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MC74AC257ML1 PDF预览

MC74AC257ML1

更新时间: 2024-11-05 14:31:19
品牌 Logo 应用领域
安森美 - ONSEMI 输入元件光电二极管逻辑集成电路
页数 文件大小 规格书
8页 172K
描述
IC,LOGIC MUX,QUAD,2-INPUT,AC-CMOS,SOP,16PIN,PLASTIC

MC74AC257ML1 技术参数

是否Rohs认证:不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.92
Is Samacsys:NJESD-30 代码:R-PDSO-G16
JESD-609代码:e0负载电容(CL):50 pF
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.012 A
功能数量:4输入次数:2
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TAPE AND REEL
电源:3.3/5 VProp。Delay @ Nom-Sup:9 ns
认证状态:Not Qualified子类别:Multiplexer/Demultiplexers
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUALBase Number Matches:1

MC74AC257ML1 数据手册

 浏览型号MC74AC257ML1的Datasheet PDF文件第2页浏览型号MC74AC257ML1的Datasheet PDF文件第3页浏览型号MC74AC257ML1的Datasheet PDF文件第4页浏览型号MC74AC257ML1的Datasheet PDF文件第5页浏览型号MC74AC257ML1的Datasheet PDF文件第6页浏览型号MC74AC257ML1的Datasheet PDF文件第7页 
QUAD 2-INPUT  
MULTIPLEXER WITH  
3-STATE OUTPUTS  
The MC74AC257/74ACT257 is a quad 2-input multiplexer with 3-state outputs.  
Four bits of data from two sources can be selected using a Common Data Select  
input. The four outputs present the selected data in true (noninverted) form. The  
outputs may be switched to a high impedance state by placing a logic HIGH on  
the common Output Enable (OE) input, allowing the outputs to interface directly  
with bus-oriented systems.  
Multiplexer Expansion by Tying Outputs Together  
Noninverting 3-State Outputs  
Outputs Source/Sink 24 mA  
• ′ACT257 Has TTL Compatible Inputs  
N SUFFIX  
CASE 648-08  
PLASTIC  
V
OE  
15  
I
I
Z
I
I
Z
d
CC  
0c  
14  
1c  
13  
c
0d  
11  
1d  
10  
16  
12  
9
PIN NAMES  
D SUFFIX  
CASE 751B-05  
PLASTIC  
S
OE  
Common Data Select Input  
3-State Output Enable Input  
Data Inputs from Source 0  
Data Inputs from Source 1  
3-State Multiplexer Outputs  
I
I
–I  
0a 0d  
1
2
3
4
5
6
7
8
–I  
1a 1d  
Z –Z  
S
I
I
Z
a
I
I
Z
b
GND  
a
d
0a  
1a  
0b  
1b  
LOGIC SYMBOL  
TRUTH TABLE  
Output  
Enable  
Select  
Input  
Data  
Inputs  
Outputs  
OE I  
I
I
I
I
I
I
I
0a 1a 0b 1b 0c 1c 0d 1d  
OE  
S
I
0
I
1
Z
S
H
L
L
L
L
X
H
H
L
X
X
X
L
X
L
H
X
X
Z
L
H
L
Z
Z
Z
Z
d
a
b
c
L
H
H
H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Immaterial  
Z = High Impedance  
FACT DATA  
5-1  

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