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SN65176B: 同一个料号,不同批次的物料,功耗相差近3倍!

Part Number: SN65176B


丝印22M,A5CR,本批功耗测试为24mA

丝印25M,AQQ7,本批功耗测试为64mA

 外围设备没有变化,为什么会有这么大的差异?