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  • SN74LS245: VIH variation and output voltage

    Part Number: SN74LS245 Tool/software: Hi, There are 2 issue about VIH and output voltage. 1. VIH Is below operation normal? VIH min is 2V. below picture shows VIH is different by lot number. one is around 2V but other is 2.8V. 2. output…

  • RE: SN74LS245: SN74LS245 strange problem - works in DIP version, but not SMD on a PCB...

    Hey Greg, Gregory Dolley said: However, I'm measuring incorrect voltage on the A side, not the B side - B side is always correct. Sorry about that - I said that backwards. I meant that you were taking output from the B side of the transceiver…
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  • SN74LS245: Is SN74LS245 IC accept DIR,OE in 3.3V range as high signal ?

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    Part Number: SN74LS245 Other Parts Discussed in Thread: SN74AHCT245 , Hi, I am giving DIR as 3.3volt, Is the IC accept 3.3volt as a high voltage and IC perform data transmission from A to B? What will be the high and low voltage range of control signal…
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