Multiple choice

Tri-state BJT works as a buffer. What are the outputs of this buffer?

  1. Level 1, level 0, short

  2. Level 1, level 0, high resistance

  3. Level 1, level 0, level 1

  4. Level 1, level 0, level 0

  5. Level 0, high resistance, high resistance

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Tri-state buffers provide isolation to the connecting device from the bus when in third state. High resistive feature provides the required isolation.