具有 ±18kV IEC ESD 保护功能的 3.3V 至 5V RS-485 收发器 8-SON -40 to 125
半 收发器 1/1 RS485 8-VSON（3x3）
得捷:
IC TRANSCEIVER HALF 1/1 8VSON
立创商城:
THVD1450DRBT
德州仪器TI:
3.3-V to 5-V RS-485 transceiver with ±18-kV IEC ESD protection
艾睿:
Single Transmitter/Receiver RS-422/RS-485 8-Pin VSON EP T/R