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SN74LVC2T45: 3.3v转5v和5v转3.3v

Part Number: SN74LVC2T45

请问3.3v转5v时   输出端接小电阻会影响驱动能力吗?有没有必要加?
以下是模拟电路,麻烦帮忙检查一下是否存在错误?