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TC74ACT257P(F) PDF预览

TC74ACT257P(F)

更新时间: 2024-12-01 13:14:27
品牌 Logo 应用领域
东芝 - TOSHIBA 复用器
页数 文件大小 规格书
8页 298K
描述
TC74ACT257P(F)

TC74ACT257P(F) 技术参数

是否Rohs认证:符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.84
Is Samacsys:NJESD-30 代码:R-PDIP-T16
负载电容(CL):50 pF逻辑集成电路类型:MULTIPLEXER
最大I(ol):0.024 A功能数量:4
输入次数:2端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
输出特性:3-STATE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
包装方法:TUBE电源:5 V
Prop。Delay @ Nom-Sup:11 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:CMOS
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
Base Number Matches:1

TC74ACT257P(F) 数据手册

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TC74ACT257P/F/FN  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC74ACT257P,TC74ACT257F,TC74ACT257FN  
2-Channel Multiplexer (3-state)  
Note: xxxFN (JEDEC SOP) is not available in  
Japan.  
The TC74ACT257 is an advanced high speed CMOS  
MULTIPLEXER fabricated with silicon gate and double-layer  
metal wiring C2MOS technology.  
TC74ACT257P  
It achieve the high speed operation similar to equivalent  
Bipolar Schottky TTL while maintaining the CMOS low power  
dissipation.  
This device may be used as a level converter for interfacing  
TTL or NMOS to High Speed CMOS. The inputs are compatible  
with TTL or NMOS and CMOS output voltage levels.  
Each is composed of four independent 2-channel multiplexers  
with common SELECT and OUTPUT ENABLE ( OE ).  
TC74ACT257F  
If OE is set low, the outputs are held in a high-impedance  
state. When SELECT is set low, “A” data inputs are enabled.  
Conversely, when SELECT is high, “B” data inputs are  
enabled.  
All inputs are equipped with protection circuits against static  
discharge or transient excess voltage.  
Features  
TC74ACT257FN  
High speed: t = 5.8 ns (typ.) at V  
= 5 V  
pd  
CC  
Low power dissipation: I  
= 8 μA (max) at Ta = 25°C  
CC  
Compatible with TTL outputs: V = 0.8 V (max)  
IL  
V
IH  
= 2.0 V (min)  
Symmetrical output impedance: |I | = I  
= 24 mA (min)  
OH  
OL  
Capability of driving 50 Ω  
transmission lines.  
t
pHL  
Balanced propagation delays: t  
pLH  
Pin and function compatible with 74F257  
Weight  
DIP16-P-300-2.54A  
SOP16-P-300-1.27A  
SOL16-P-150-1.27  
: 1.00 g (typ.)  
: 0.18 g (typ.)  
: 0.13 g (typ.)  
Pin Assignment  
1
2007-10-01  

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