SN74LVC1T45: SN74LVC1T45-Q1 pull up resistor on DIR pins.

Zhizhao Niu

Intellectual 2315 points

Part Number: SN74LVC1T45

Hi Team,

May I know if I can directly pull up the SN74LVC1T45-Q1 DIR pin without pull up resistor? Thanks.

B.R.

Lucas

over 1 year ago

+1 Clemens Ladisch over 1 year ago

Guru 244370 points

Yes. CMOS input have a high impedance, and LVC inputs are overvoltage tolerant (so you can pull up to a voltage that powers up earlier than the chip).

Logic

Logic forum

SN74LVC1T45: SN74LVC1T45-Q1 pull up resistor on DIR pins.