Shanghai Chipanalog Microelectronics Co., Ltd. CS.
CS48520A - 3.0V to 5.5V RS485/RS422 Transceivers
Shanghai Chipanalog Microelectronics Co., Ltd. CS48505A/CS48520A Version 1.01, 2023/08/10 3.0V to 5.5V RS485/RS422 Transceivers with ±20kV ESD Prote.