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TXB0108 速率上不去,我们是VCCA1.8和VCCB3.3转换,看了手册速率最大到60Mbps,现在应该怎么办呢?用LSF0108可行否
那可以考虑使用带方向控制位的电平转换器件SN74AVC8T245:
Maximum Data Rates
– 170 Mbps (VCCA < 1.8 V or VCCB < 1.8 V)
– 320 Mbps (VCCA ≥ 1.8 V and VCCB ≥ 1.8 V)
37Mhz的话,是74Mbps,超过了能够支持的最大60Mbps的速率,所以不允许的。Wei Liu38 说:您的信号是多大速率? 注意这里的是60Mbps,折合成频率是30Mhz。
请教您下,如果我用37Mhz的话,是否可以