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TC7MB3257FK
 型号:  TC7MB3257FK
 标记/丝印/代码/打字:  B257
 厂家:  TOSHIBA
 封装:  VSSOP16
 批号:  05+
 库存数量:  14
 所属分类:  集成电路ICIntegrated Circuit(IC)
  逻辑电路Logic circuit
    解码器、多路复用器、信号开关Signal Switch, Multiplexer, Decoder
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TC7MB3257FK B257 的参数

类型 Type 多路复用器/多路分解器 Multiplexer/Demultiplexer
电路 Circuit
独立电路 Independent Circuits
输出高,低电流 Current - Output High, Low
单电源 Voltage Supply Source 单电源 Single Supply
电源电压 Voltage - Supply 4.5 V ~ 5.5 V
Description & Applications The TC7MB3257FK is high-speed CMOS quad 1-2 multiplexer/demultiplexer. The low on resistance of the switch allows connections to be made with minimal propagation delay time. This device consists of four individual two-inputs multiplexer/demultiplexer with common select input (S) and output enable ( OE ). The A inputs is connected to the B1 or B2 outputs determined by the combination both the select input (S) and output enable ( OE ). When the output enable ( OE ) input is held “H” level, the switches are open with regardless the state of select inputs and a high-impedance state exists between the switches. All inputs are equipped with protection circuits against static discharge. Operating voltage: VCC = 4.5~5.5 V High speed: tpd = 0.25 ns (max) Low on resistance: RON = 5 ? (typ.) ESD performance: Machine model > ±200 V Human body model > ±2000 V Compatible with TTL outputs (control inputs) Package: VSSOP (US16) Pin compatible with the 74xx257 type. Functionally equivalent to (FST/CBT) 3257.
描述与应用 TC7MB3257FK是高速CMOS四1-2复用器/多路分解器。低电阻的开关允许以最小的传播延迟时间连接。该装置由四个独立的2输入多路复用器/多路分解器组成,有着两个共同的选择输入端(S)和输出使能(OE)。A输入连接到B1或B2的输出由选择输入端(S)和输出使能(OE)的组合同时决定。当输出使能(OE)输入为“H”级,开关打开,,不管选择输入端的状态和开关之间的高阻抗状态。所有输入都配有保护电路防止静电放电。 工作电压:VCC= 4.5?5.5 V 高速:TPD =0.25 ns(最大) 低导通电阻RON= 5Ω(典型值) ESD性能:机器型号>±200 V 人体模式>±2000 V 兼容TTL输出(控制输入) 包装:VSSOP(US16) 与74xx257型引脚兼容。 其功能相当于(FST/ CBT)3257。
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