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SN74LS540DW PDF预览

SN74LS540DW

更新时间: 2024-11-27 23:03:15
品牌 Logo 应用领域
安森美 - ONSEMI 总线驱动器总线收发器逻辑集成电路光电二极管输出元件输入元件
页数 文件大小 规格书
3页 79K
描述
OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

SN74LS540DW 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:20
Reach Compliance Code:unknownFactory Lead Time:1 week
风险等级:5.4Is Samacsys:N
系列:LSJESD-30 代码:R-PDSO-G20
长度:12.8 mm逻辑集成电路类型:BUS DRIVER
位数:8功能数量:1
端口数量:2端子数量:20
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
传播延迟(tpd):15 ns认证状态:Not Qualified
座面最大高度:2.65 mm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: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
宽度:7.5 mmBase Number Matches:1

SN74LS540DW 数据手册

 浏览型号SN74LS540DW的Datasheet PDF文件第2页浏览型号SN74LS540DW的Datasheet PDF文件第3页 
SN54/74LS540  
SN54/74LS541  
OCTAL BUFFER/LINE DRIVER  
WITH 3-STATE OUTPUTS  
The SN54/74LS540 and SN54/74LS541 are octal buffers and line drivers  
with the same functions as the LS240 and LS241, but with pinouts on the  
opposite side of the package.  
These device types are designed to be used as memory address drivers,  
clock drivers and bus-oriented transmitters/receivers. These devices are  
especially useful as output ports for the microprocessors, allowing ease of  
layout and greater PC board density.  
OCTAL BUFFER/LINE DRIVER  
WITH 3-STATE OUTPUTS  
LOW POWER SCHOTTKY  
Hysteresis at Inputs to Improve Noise Margin  
PNP Inputs Reduce Loading  
3-State Outputs Drive Bus Lines  
Inputs and Outputs Opposite Side of Package, Allowing Easier  
Interface to Microprocessors  
J SUFFIX  
CERAMIC  
CASE 732-03  
Input Clamp Diodes Limit High-Speed Termination Effects  
20  
LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW)  
1
SN54/74LS540  
V
CC  
20 19  
N SUFFIX  
PLASTIC  
18  
17  
16  
15  
14  
13  
12  
11  
CASE 738-03  
20  
1
DW SUFFIX  
SOIC  
CASE 751D-03  
1
2
3
4
5
6
8
9
10  
GND  
7
20  
1
SN54/74LS541  
V
CC  
20 19  
18  
17  
16  
15  
14  
13  
12  
11  
ORDERING INFORMATION  
SN54LSXXXJ  
Ceramic  
SN74LSXXXN Plastic  
SN74LSXXXDW SOIC  
1
2
3
4
5
6
8
9
10  
7
GND  
GUARANTEED OPERATING RANGES  
Symbol  
Parameter  
Min  
Typ  
Max  
Unit  
V
CC  
Supply Voltage  
54  
74  
4.5  
4.75  
5.0  
5.0  
5.5  
5.25  
V
T
Operating Ambient Temperature Range  
Output Current — High  
54  
74  
55  
0
25  
25  
125  
70  
°C  
A
I
I
54  
74  
12  
15  
mA  
mA  
OH  
Output Current — Low  
54  
74  
12  
24  
OL  
FAST AND LS TTL DATA  
5-1  

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