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SN74LS155N PDF预览

SN74LS155N

更新时间: 2024-09-14 23:06:19
品牌 Logo 应用领域
安森美 - ONSEMI 解码器解复用器
页数 文件大小 规格书
4页 82K
描述
DUAL 1-OF-4 DECODER/ DEMULTIPLEXER

SN74LS155N 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, SOP16,.25
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.66系列:LS
输入调节:STANDARDJESD-30 代码:R-PDIP-T16
JESD-609代码:e0长度:19.175 mm
负载电容(CL):15 pF逻辑集成电路类型:OTHER DECODER/DRIVER
最大I(ol):0.008 A功能数量:2
端子数量:16最高工作温度:70 °C
最低工作温度:输出特性:OPEN-COLLECTOR
输出极性:INVERTED封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):235电源:5 V
最大电源电流(ICC):10 mAProp。Delay @ Nom-Sup:30 ns
传播延迟(tpd):51 ns认证状态:Not Qualified
座面最大高度:4.44 mm子类别:Decoder/Drivers
最大供电电压 (Vsup):5.25 V最小供电电压 (Vsup):4.75 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

SN74LS155N 数据手册

 浏览型号SN74LS155N的Datasheet PDF文件第2页浏览型号SN74LS155N的Datasheet PDF文件第3页浏览型号SN74LS155N的Datasheet PDF文件第4页 
SN54/74LS155  
SN54/74LS156  
DUAL 1-OF-4 DECODER/  
DEMULTIPLEXER  
The SN54/74LS155 and SN54/74LS156 are high speed Dual 1-of-4  
Decoder/Demultiplexers. These devices have two decoders with common  
2-bit Address inputs and separate gated Enable inputs. Decoder “a” has an  
Enable gate with one active HIGH and one active LOW input. Decoder “b” has  
two active LOW Enable inputs. If the Enable functions are satisfied, one  
output of each decoder will be LOW as selected by the address inputs. The  
LS156 has open collector outputs for wired-OR (DOT-AND) decoding and  
function generator applications.  
DUAL 1-OF-4 DECODER/  
DEMULTIPLEXER  
LS156-OPEN-COLLECTOR  
LOW POWER SCHOTTKY  
The LS155 and LS156 are fabricated with the Schottky barrier diode  
process for high speed and are completely compatible with all Motorola TTL  
families.  
Schottky Process for High Speed  
Multifunction Capability  
J SUFFIX  
CERAMIC  
CASE 620-09  
Common Address Inputs  
16  
True or Complement Data Demultiplexing  
Input Clamp Diodes Limit High Speed Termination Effects  
ESD > 3500 Volts  
1
N SUFFIX  
PLASTIC  
CASE 648-08  
16  
CONNECTION DIAGRAM DIP (TOP VIEW)  
1
V
E
E
A
O
O
O
O
0b  
CC  
16  
b
b
0
3b  
12  
2b  
11  
1b  
10  
15  
14  
13  
9
D SUFFIX  
SOIC  
CASE 751B-03  
NOTE:  
The Flatpak version  
has the same pinouts  
(Connection Diagram) as  
the Dual In-Line Package.  
16  
1
ORDERING INFORMATION  
1
2
3
4
5
6
8
7
SN54LSXXXJ Ceramic  
SN74LSXXXN Plastic  
SN74LSXXXD SOIC  
E
E
A
O
O
O
O
0a  
GND  
a
a
1
3a  
2a  
1a  
LOGIC SYMBOL  
PIN NAMES  
LOADING (Note a)  
1
2
13 3  
14 15  
HIGH  
LOW  
A , A  
Address Inputs  
Enable (Active LOW) Inputs  
Enable (Active HIGH) Input  
0.5 U.L.  
0.5 U.L.  
0.5 U.L.  
10 U.L.  
0.25 U.L.  
0.25 U.L.  
0.25 U.L.  
0
1
b
E , E  
a
a
E
E
E
O O  
Active LOW Outputs (Note b)  
5 (2.5) U.L.  
A
A
A
A
0
3
0
0
DECODER a  
DECODER b  
NOTES:  
1
1
a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW.  
0
1
2
3
0
1
2
3
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)  
Temperature Ranges. The HIGH level drive for the LS156 must be established by an external  
resistor.  
7
6
5
4
9
10 11 12  
V
= PIN 16  
CC  
GND = PIN 8  
FAST AND LS TTL DATA  
5-1  

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