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TXB0104-Q1: Voltage Level query

Part Number: TXB0104-Q1
Other Parts Discussed in Thread: TXU0304-Q1, TXU0104-Q1, TXU0204-Q1

Hi Team,

The Query is regarding TXB0104QRUTRQ1 Voltage Level translator ,

From datasheet VCCA<=VCCB (VCCA should not exceed VCCB)

Below Mentioning our design requirements,

  • VCCA (A-port supply voltage) = 1.8V
  • VCCB(B-port supply voltage) = 3.3V
  • (Output Enable(Pin12) will be active always)

In sleep mode VCCA supply will be Present and VCCB supply will be absent, which is violating above requirement from datasheet.

What will be the impact of VCCA>=VCCB in this case