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SN74LS540DWR2 PDF预览

SN74LS540DWR2

更新时间: 2024-11-28 15:52:19
品牌 Logo 应用领域
安森美 - ONSEMI 驱动光电二极管输出元件
页数 文件大小 规格书
3页 75K
描述
LS SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20, SOIC-20

SN74LS540DWR2 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:unknown风险等级:5.42
Is Samacsys:N系列:LS
JESD-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 mm
Base Number Matches:1

SN74LS540DWR2 数据手册

 浏览型号SN74LS540DWR2的Datasheet PDF文件第2页浏览型号SN74LS540DWR2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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