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MC74F251ND PDF预览

MC74F251ND

更新时间: 2024-11-25 13:11:19
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 复用器输出元件输入元件
页数 文件大小 规格书
3页 72K
描述
Multiplexer, F/FAST Series, 1-Func, 8 Line Input, 1 Line Output, Complementary Output, TTL, PDIP16, 648-08

MC74F251ND 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.92
系列:F/FASTJESD-30 代码:R-PDIP-T16
JESD-609代码:e0长度:19.175 mm
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.024 A功能数量:1
输入次数:8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:COMPLEMENTARY封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.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):22 mAProp。Delay @ Nom-Sup:10.5 ns
传播延迟(tpd):10.5 ns认证状态:Not Qualified
座面最大高度:4.44 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:NO
技术:TTL温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)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 mm
Base Number Matches:1

MC74F251ND 数据手册

 浏览型号MC74F251ND的Datasheet PDF文件第2页浏览型号MC74F251ND的Datasheet PDF文件第3页 
MC54/74F251  
8-INPUT MULTIPLEXER  
WITH 3-STATE OUTPUTS  
The MC54/74F251 is a high-speed 8-input digital multiplexer. It provides,  
in one package, the ability to select one bit of data from up to eight sources.  
It can be used as a universal function generator to generate any logic function  
of four variables. Both assertion and negation outputs are provided.  
8-INPUT MULTIPLEXER  
WITH 3-STATE OUTPUTS  
FAST SCHOTTKY TTL  
Multifunctional Capacity  
On-Chip Select Logic Decoding  
Inverting and Noninverting 3-State Outputs  
FUNCTIONAL DESCRIPTION  
This device is a logical implementation of a single-pole, 8-position switch  
J SUFFIX  
CERAMIC  
CASE 620-09  
with the switch position controlled by the state of three Select inputs, S , S ,  
0
1
S . Both assertion and negation outputs are provided. The Output Enable in-  
2
16  
put (OE) is active LOW. When it is activated, the logic function provided at the  
output is:  
1
Z = OE (I S S S + I S S S +  
0
2
4
6
0
1
2
1
0
1
2
I
I
I
S S S + I S S S +  
0 1 2 3 0 1 2  
N SUFFIX  
PLASTIC  
CASE 648-08  
S S S + I S S S +  
0
1
2
5
0
1
2
S S S + I S S S +  
0
1
2
7
0
1
2
16  
When the Output Enable is HIGH, both outputs are in the high impedance  
(high Z) state. This feature allows multiplexer expansion by tying the outputs  
of up to 128 devices together. When the outputs of the 3-state devices are tied  
together, all but one device must be in the high impedance state to avoid high  
currents that would exceed the maximum ratings. The Output Enable signals  
should be designed to ensure there is no overlap in the active LOW portion  
of the enable voltages.  
1
D SUFFIX  
SOIC  
CASE 751B-03  
16  
1
ORDERING INFORMATION  
MC54FXXXJ  
Ceramic  
MC74FXXXN Plastic  
MC74FXXXD SOIC  
CONNECTION DIAGRAM  
V
I
I
I
I
S
S
S
2
CC  
16  
4
5
6
7
0
1
15  
14  
13  
12  
11  
10  
9
LOGIC SYMBOL  
9
10 11  
S
S
S
OE  
2
1 0  
7
4
3
2
1
I
I
I
I
0
1
2
3
1
2
3
4
5
Z
6
Z
7
8
6
5
I
I
I
I
0
OE  
GND  
3
2
1
I
I
I
I
15  
14  
4
5
6
7
13  
12  
V
= PIN 16  
CC  
GND = PIN 8  
FAST AND LS TTL DATA  
4-117  

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