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Original question:

SN74AXC1T45: SN74AXC1T45 can shift 2.5V signal to 1.8V, but not shift 1.8V signal to 2.5V

SN74AXC1T45: Using AXC1T45 when Vi > Vcca

Gary Teng
Genius 4740 points
Part Number: SN74AXC1T45

Hi Sir,

 My customer want to use SN74AXC1T45 as Vcca is 1.8V and Vih might be 1.8V or 3.3V. Is there any issue using SN74AXC1T45 as customer's design? if not, any suitable device for customer's application? Thanks for your kindly help.

Best regards,

Gary Teng