原理图封装列表NameDescription----------------------------------------------------------------------------------------------------74ACT573T双向数据传输74HC138138译码器74HC1544-16译码器74HC4052双通道模拟开关74HC595移位寄存器74HVC32M双输入或门74LS32M双输入或门74VHC04M非门ACS712电流检测芯片ACT45B共模电感AD5235数控电阻AD8251可控增益运放A