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SN74AXCH8T245: 缺货,采用SN74LVH8T245替代后的risk

Part Number: SN74AXCH8T245

SN74AXCH8T245PWR缺货,工作温度最高为125℃;采用SN74LVH8T245PWR替换,它的最高工作温度为85℃,而客户板温为90℃,这个8 bit dual-supply bus transceiver如果超温会有什么risk呢?

  • 您好,

    您指的是SN74LVC8T245PWR吗,它的工作温度范围是40 to 85℃,如果超过这个范围,它应该也可以工作,但是其性能无法保证,即数据手册中的电气性能表格中的参数无法得到保证