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这颗芯片的RS232_TX和RS23_RX、RTS、CTS，ESD器件的工作电压在多少比较合适？
您好，
你在E2E英文论坛咨询的相同问题已有工程师回复：
https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1335680/sn65c3238-the-working-voltage-issue-of-the-chip?tisearch=e2e-sitesearch&keymatch=SN65C3238#
