Logic Assignment: Control Inputs, Output Transistors
Enable
Phase
Output Q1
Output Q2
Transistor T1
Transistor T2
Transistor T3
Transistor T4
L
L
H
L
H
L
/
/
L
/
/
H
X
X
X
X
X
–
X
X
–
X
X
X
L = Low voltage level, input open
H = High voltage level
X = transistor turned off
– = transistor conducting
– = transistor conducting, switched in current limiting
/ = output high-impedance
TLE 5250
H
H
H
L
–
X
X
–
Semiconductor Group
9
1998-02-01