SN74LVC2T45-Q1: SN74LVC2T45QDCURQ1 output short to battery，I use a 120R resistance limit current.

ling xinjie

Intellectual 325 points

Part Number: SN74LVC2T45-Q1

Tool/software:

Hi TI

SN74LVC2T45QDCURQ1 output short to battery，I use a 120R resistance limit current.

Such as below show Vccb is 5V，B2 short to battery，does damage the IC？(does the IC internal have clamp function?)

5 months ago

+1 Clemens Ladisch 5 months ago

Guru 277650 points

Outputs have clamping diodes, but strictly speaking, the absolute maximum ratings allow this only for negative voltages. In any case, the current (16 V / 120 Ω = 133 mA) would be much too high.

Logic

Logic forum

SN74LVC2T45-Q1: SN74LVC2T45QDCURQ1 output short to battery，I use a 120R resistance limit current.