智能卡的参数

2021-01-08 17:36   75次浏览

智能卡与IRD电压分别有3V, 5V ±10%,即2.7V至5.5V。GSM智能卡也是5V,但手机内部其他部件都是3V,所以和智能卡有个额外的电压转换部件。

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