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TC74HC148AF(EL,F) PDF预览

TC74HC148AF(EL,F)

更新时间: 2024-11-05 20:57:11
品牌 Logo 应用领域
东芝 - TOSHIBA 编码器光电二极管逻辑集成电路
页数 文件大小 规格书
9页 246K
描述
IC,ENCODER,HC-CMOS,SOP,16PIN,PLASTIC

TC74HC148AF(EL,F) 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SOP, SOP16,.3Reach Compliance Code:unknown
风险等级:5.82JESD-30 代码:R-PDSO-G16
逻辑集成电路类型:ENCODER端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:2/6 V
认证状态:Not Qualified子类别:Arithmetic Circuits
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

TC74HC148AF(EL,F) 数据手册

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TC74HC148AP/AF  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC74HC148AP,TC74HC148AF  
8-to-3 Line Priority Encoder  
The TC74HC148A is a high speed CMOS 8-to-3 LINE  
ENCODER fabricated with silicon gate C2MOS technology.  
It achieves the high speed operation similar to equivalent  
LSTTL while maintaining the CMOS low power dissipation.  
All data inputs and outputs of these encoders are active at the  
low logic level.  
TC74HC148AP  
The encoder detects a low level of the highest order among  
eight input signals and outputs the corresponding signal position  
in binaly code.  
Enable Input EI and Enable Output EO are used to easily  
cascade without using external circuits.  
All inputs are equipped with protection circuits against static  
discharge or transient excess voltage.  
TC74HC148AF  
Features  
High speed: t = 15 ns (typ.) at V  
= 5 V  
pd  
CC  
Low power dissipation: I  
= 4 μA (max) at Ta = 25°C  
CC  
High noise immunity: V  
= V  
= 28% V  
(min)  
NIH  
NIL  
CC  
Output drive capability: 10 LSTTL loads  
Symmetrical output impedance: |I | = I  
Weight  
DIP16-P-300-2.54A  
SOP16-P-300-1.27A  
= 4 mA (min)  
OL  
OH  
: 1.00 g (typ.)  
: 0.18 g (typ.)  
Balanced propagation delays: t  
t
pHL  
pLH  
Wide operating voltage range: V  
(opr) = 2 to 6 V  
CC  
Pin and function compatible with 74LS148  
Pin Assignment  
1
2007-10-01  

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