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HD74LS257P PDF预览

HD74LS257P

更新时间: 2024-11-08 05:35:15
品牌 Logo 应用领域
瑞萨 - RENESAS 解复用器逻辑集成电路光电二极管
页数 文件大小 规格书
6页 83K
描述
Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs)

HD74LS257P 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:6.3 X 19.2 MM, 2.54 MM PITCH, PLASTIC, DIP-16
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.17
Is Samacsys:N系列:LS
JESD-30 代码:R-PDIP-T16长度:19.2 mm
负载电容(CL):15 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.008 A湿度敏感等级:1
功能数量:4输入次数:2
输出次数:1端子数量:16
最高工作温度:75 °C最低工作温度:-20 °C
输出特性:3-STATE输出极性:TRUE
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):19 mA
Prop。Delay @ Nom-Sup:18 ns传播延迟(tpd):18 ns
认证状态:Not Qualified座面最大高度:5.06 mm
子类别:Multiplexer/Demultiplexers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 EXTENDED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

HD74LS257P 数据手册

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HD74LS257  
Quadruple 2-line-to-1-line Data Selectors / Multiplexers  
(with not inverted 3-state outputs)  
REJ03D0469–0300  
Rev.3.00  
Jul.15.2005  
This multiplexer features three-state outputs that can interface directly with and drive data lines of bus-organized  
systems. With all but one of the common outputs disabled (at a high-impedance state) the low impedance of the single  
enabled output will drive the bus line to a high or low logic level.  
To minimize the possibility that two outputs will attempt to take a common bus to opposite logic levels, the output-  
enable circuitry is designed such that the output disable times are shorter than the output enable times.  
Features  
Ordering Information  
Package Code  
(Previous Code)  
Package  
Abbreviation  
Taping Abbreviation  
(Quantity)  
Part Name  
Package Type  
DILP-16 pin  
PRDP0016AE-B  
(DP-16FV)  
HD74LS257P  
P
PRSP0016DH-B  
(FP-16DAV)  
HD74LS257FPEL SOP-16 pin (JEITA)  
FP  
EL (2,000 pcs/reel)  
Note: Please consult the sales office for the above package availability.  
Pin Arrangement  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Select  
1A  
VCC  
S
Output  
Control  
1A  
1B  
1Y  
OC  
4A  
4B  
1B  
4A  
4B  
4Y  
3A  
3B  
3Y  
1Y  
2A  
4Y  
2A  
2B  
2Y  
3A  
3B  
2B  
2Y  
3Y  
GND  
(Top view)  
Rev.3.00, Jul.15.2005, page 1 of 5  

HD74LS257P 替代型号

型号 品牌 替代类型 描述 数据表
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