Forward Roll
+ A/B/C
1~3F Fully invincible
4~17F Throw invincible, if hit you will be in the air
18~30F Guard possible, if hit will be in crouching position
1~10F can pass through opponent
Back Roll
+ A/B/C
1~10F Fully invincible
11~17F Throw invincible, if hit you will be in the air
18~30F Guard possible, if hit will be in crouching position
1~10F can pass through the opponent
Quick Tech
+ A/B/C
1~13F Throw invincible, if hit you will be in the air
14~19F Throw invincible, guard possible, cancellable into any grounded attack, if hit will be in standing position
Will automatically Quick Tech after laying on the ground for 68 frames
Neutral Tech
no direction + A/B/C
1~32F Fully invincible
Copied from wiki same for all characters.
Edit: it is important to note that some moves will hit on wakeup as their active frames will happen after the invulnerable status of the tech is up we call it a "meaty".