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74ACT138SCX PDF预览

74ACT138SCX

更新时间: 2023-06-19 14:34:30
品牌 Logo 应用领域
安森美 - ONSEMI PC驱动输入元件光电二极管逻辑集成电路解码器驱动器
页数 文件大小 规格书
11页 190K
描述
1/8 解码器/信号分离器

74ACT138SCX 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP16,.25
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.33Is Samacsys:N
系列:ACT输入调节:STANDARD
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:5 mm负载电容(CL):50 pF
逻辑集成电路类型:OTHER DECODER/DRIVER最大I(ol):0.024 A
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:125 °C
最低工作温度:-55 °C输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH包装方法:TAPE AND REEL
峰值回流温度(摄氏度):260电源:5 V
Prop。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:1.2 mm
子类别:Decoder/Drivers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:CMOS
温度等级:MILITARY端子面层:NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mmBase Number Matches:1

74ACT138SCX 数据手册

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MC74AC138, MC74ACT138  
FUNCTIONAL DESCRIPTION  
HIGH. This multiple enabled function allows easy parallel  
expansion of the device to a 1of32 (5 lines to 32 lines)  
decoder with just four MC74AC138/74ACT138 devices  
The MC74AC138/74ACT138 highspeed 1of8  
decoder/demultiplexer accepts three binary weighted inputs  
(A , A , A ) and, when enabled, provides eight mutually  
and  
one  
inverter  
(See  
Figure  
4).  
The  
0
1
2
MC74AC138/74ACT138 can be used as an 8output  
demultiplexer by using one of the active LOW Enable inputs  
as the data input and the other Enable inputs as strobes. The  
Enable inputs which are not used must be permanently tied  
to their appropriate activeHIGH or activeLOW state.  
exclusive  
MC74AC138/74ACT138 features three Enable inputs, two  
activeLOW (E , E ) and one activeHIGH (E ). All  
activeLOW  
outputs  
(O O ).  
The  
0
7
1
2
3
outputs will be HIGH unless E and E are LOW and E is  
1
2
3
TRUTH TABLE  
Inputs  
Outputs  
E
1
E
2
E
3
A
0
A
1
A
2
O
O
O
O
O
O
O
O
7
0
1
2
3
4
5
6
H
X
X
X
X
X
H
H
H
H
H
H
H
H
X
X
H
X
X
L
X
X
X
X
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
L
H
L
L
L
H
H
L
L
L
L
L
H
H
H
H
L
H
H
H
H
L
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
L
H
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
L
H
H
H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Immaterial  
E
1
E E  
2 3  
A
2
A
1
A
0
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
NOTE: This diagram is provided only for the understanding of logic  
operations and should not be used to estimate propagation  
delays.  
Figure 3. Logic Diagram  
http://onsemi.com  
2

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