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TC74AC157F Signal Switch, Multiplexer, Decoder SOP16 marking 74AC157
| 逻辑类型 Logic Type | 多路复用器 Multiplexer |
| 电路数 Number of Circuits | 4 x 2:1 |
| 输入数 Number of Inputs | 1 |
| 电源电压Vcc Voltage - Supply | 24mA，24mA |
| 静态电流Iq Current - Quiescent (Max) | 单电源 Single Supply |
| 输出高，低电平电流 Current - Output High, Low | 2 V ~ 5.5 V |
| 低逻辑电平 Logic Level - Low | The TC74AC157 is an advanced high speed CMOS QUAD 2-CHANNEL MULTIPLEXER fanrocated with silicon gate and double-layer metal wiring C2MOS technology.It achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dossopation.This device consist of four 2-input digital multiplexer with common select and stobe inputs.When the STROBE input is held "H" level,selection of data is inhibited and all the outputs become "L"level.The SELECT decoding determines whether the A or B inputs get rputed to their corresponding Y outputs,ALL input are equipped with protection circuits against static aischatge or transient excess voltage. High Speed Low Power Dissipation High Noise Immunity Output Drive Capability Symmetrical Output Impedance Balanced Propagation Delays Wide Operating Voltage Range Pin and Function Compatible with 74F157 |
| 高逻辑电平 Logic Level - High | TC74AC157是一种先进的高速CMOS四2通道复用器，用硅栅和双层金属的接线C2MOS技术制作。它实现类似等效双极肖特基TTL的高速操作，同时保持CMOS的低功耗。此装置由四2-输入数字多路复用器组成，有着共同的选择和选通信号输入。当选通输入为“H”级，选择数据被禁止，所有输出成为“L”级。选择解码决定是否得到A或B输入其对应的Y输出，所有输入都配有保护电路防止瞬态过电压。 高速 低功耗 高抗干扰 输出驱动能力 对称的输出阻抗 平衡传输延时 宽工作电压范围 |
| 传播延迟时间@Vcc，CL Max Propagation Delay @ V, Max CL | |
| Description & Applications | |
| 描述与应用 |
