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DM74LS298 PDF预览

DM74LS298

更新时间: 2024-01-29 17:31:41
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 复用器存储
页数 文件大小 规格书
4页 47K
描述
Quad 2-Port Register Multiplexer with Storage

DM74LS298 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
风险等级:5.92JESD-30 代码:R-PDIP-T16
JESD-609代码:e0逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.008 A功能数量:4
输入次数:2端子数量:16
最高工作温度:70 °C最低工作温度:
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电源:5 V
最大电源电流(ICC):21 mAProp。Delay @ Nom-Sup:32 ns
认证状态:Not Qualified子类别:Multiplexer/Demultiplexers
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
Base Number Matches:1

DM74LS298 数据手册

 浏览型号DM74LS298的Datasheet PDF文件第2页浏览型号DM74LS298的Datasheet PDF文件第3页浏览型号DM74LS298的Datasheet PDF文件第4页 
October 1988  
Revised March 2000  
DM74LS298  
Quad 2-Port Register Multiplexer with Storage  
General Description  
Features  
Select from two data sources  
Fully edge-triggered operation  
Typical power dissipation of 65 mW  
The DM74LS298 is a quad 2-port register. It is the logical  
equivalent of a quad 2-input multiplexer followed by a quad  
4-bit edge-triggered register.  
A Common Select input  
selects between two 4-bit input ports (data sources). The  
selected data is transferred to the output register synchro-  
nous with the HIGH-to-LOW transition of the Clock input.  
Ordering Code:  
Order Number Package Number  
Package Description  
DM74LS298N  
N16E  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide  
Logic Symbol  
Connection Diagram  
V
= Pin 16  
CC  
GND = Pin 8  
Pin Descriptions  
Truth Table  
Pin Names  
Description  
Common Select Inputs  
Inputs  
I0x  
Output  
S
I1x  
Qx  
S
CP  
Clock Pulse Input (Active Falling Edge)  
Source 0 Data Inputs  
l
l
X
X
l
L
H
L
I0a, I0d  
I1a, I1d  
Qa, Qd  
l
h
X
X
Source 1 Data Inputs  
h
h
Flip-Flip Outputs  
h
H
l = LOW Voltage Level one setup time prior to the HIGH-to-LOW clock  
transition.  
h = HIGH Voltage Level one setup time prior to the HIGH-to-LOW clock  
transition.  
H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Immaterial  
© 2000 Fairchild Semiconductor Corporation  
DS009826  
www.fairchildsemi.com  

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