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TC74AC257P(F)

更新时间: 2024-02-27 16:53:48
品牌 Logo 应用领域
东芝 - TOSHIBA /
页数 文件大小 规格书
9页 356K
描述
TC74AC257P(F)

TC74AC257P(F) 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
风险等级:5.84Is Samacsys:N
JESD-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):0.012 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:3.3/5 VProp。Delay @ Nom-Sup:16.3 ns
认证状态:Not Qualified子类别:Multiplexer/Demultiplexers
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

TC74AC257P(F) 数据手册

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TC74AC257,258P/F/FN  
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic  
TC74AC257P,TC74AC257F,TC74AC257FN  
TC74AC258P,TC74AC258F,TC74AC258FN  
TC74AC257P/F/FN 2-Channel Multiplexer (3-state)  
TC74AC258P/F/FN 2-Channel Multiplexer (3-state,  
inverting)  
Note: xxxFN (JEDEC SOP) is not available in  
Japan.  
TC74AC257P, TC74AC258P  
TC74AC257F, TC74AC258F  
TC74AC257FN, TC74AC258FN  
The TC74AC257 and TC74AC258 are advanced high speed  
CMOS MULTIPLEXERs fabricated with silicon gate and  
double-layer metal wiring C2MOS technology.  
They achieve the high speed operation similar to equivalent  
Bipolar Schottky TTL while maintaining the CMOS low power  
dissipation.  
Each is composed of four independent 2-channel multiplexers  
with common SELECT and OUTPUT ENABLE ( OE ).  
The TC74AC257 is a non-inverting multiplexer, while the  
TC74AC258 is an inverting.  
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  
High speed: t = 3.6 ns (typ.) at V  
= 5 V  
pd  
CC  
Low power dissipation: I  
= 8 μA (max) at Ta = 25°C  
CC  
High noise immunity: V  
= V  
= 28% V  
(min)  
NIH  
NIL  
CC  
Symmetrical output impedance: |I | = I  
= 24 mA (min)  
OH  
OL  
Capability of driving 50 Ω  
transmission lines.  
t
pHL  
(opr) = 2~5.5 V  
Balanced propagation delays: t  
pLH  
Wide operating voltage range: V  
CC  
Weight  
Pin and function compatible with 74F257/258  
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.)  
1
2007-10-01  

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