HC(T):      The high-speed CMOS HC(T) logic family offers the broadest range of functions in the industry. NXP’s provides HC products for use in 2.0 V to 6.0 V CMOS applications and HCT products for use in 4.5 V to 5.5 V TTL applications.

• 9 ns typical propagation delay
• Output drive capability I_{OH / IOL = ±8 mA}
• Low power
• Input clamp diodes
• Broad portfolio

LV:       The LV family was introduced to provide the performance of 5 V HCMOS at the 3.0 V to 3.6 V supply voltage range. Typical operating range is from 1.0 V to 3.6 V however many functions are specified from 1.0 V to 5.5 V.       Wide operating voltage of 1.0 V to 5.5 V
      Broad family
     9 ns typical propagation delay @ VCC = 3.0 V
      Output drive IOH / IOL = 6 / 8 mA @ VCC = 3.0 V and 12 / 16 mA @ VCC = 4.5 V
      Facilitates migration from 5 V to 3.3 V supply
CBT(D): Bus switches for hot plug, isolation and multiplexing       恩智浦的CBT(n)总线开关是低延迟单晶体管或传输门电路解决方案，适用于数据总线的多路复用、背板中电路板的热插拔、存储器交叉存取、信号调节和单向电平转换。       5 V和3.3 V电平转换
      3.3 V至1.8 V电平转换
      低传播延迟
      TTL控制输入

• 一、

模拟开关和多路复用器         模拟开关和复用器/解复用器电路同时用于模拟和数字I/O扩展应用，比如手机中的扬声器选择或工业过程监控应用中的传感器选择。  1.Key features and benefits

• Reduced signal attenuation results in low switching losses
• Reduced total harmonic distortion for high quality audio switching
• Enable multiplexing of analog sensor signals - reduce number of ADC
• Integrated level shifting of control signals interface to lower voltage controllers
• Low ON resistance and ON resistance flatness
• Low switch leakage
• Wide supply voltage
• Low input threshold input options
• Over-voltage tolerant options
• High ESD protection per IEC61000 Standard

 2.Key applications

• Audio/video source selection
• Analog sensor multiplexing
• GPIO expansion
• Bus Isolation

二、Load switches:     恩智浦功能丰富的逻辑控制高端负载开关管理应用子系统中的配电，以显著降低总功耗。恩智浦的负载开关系列采用极小的CSP封装并具有低至500 mA和高达3 A的连续电流，适合多种空间受限应用。负载开关非常适合在便携式系统中使用，用于延长电池寿命和优化充电周期。