l297-1 STMicroelectronics, l297-1 Datasheet - Page 6

• Manufacturer Part Number: l297-1
• Description: Stepper Motor Controllers
• Manufacturer: STMicroelectronics

MOTOR DRIVING PHASE SEQUENCES (continued)
WAVE DRIVE MODE
Wave drive mode (also called "one-phase-on" drive) is selected by a low level on the HALF/FULL input
when the translator is at an even numbered state (2, 4, 6 or 8).
L297
ELECTRICAL CHARACTERISTICS (Refer to the block diagram T
specified)
6/11
Symbol
V
V
V
SYNC
V
I
V
V
I
en
I
inh
s
en
i
o
s
i
Supply voltage (pin 12)
Quiescent supply current (pin 12)
Input voltage
(pin 11, 17, 18, 19, 20)
Input current
(pin 11, 17, 18, 19, 20)
Enable input voltage (pin 10)
Enable input current (pin 10)
Phase output voltage
(pins 4, 6, 7, 9)
Inhibit output voltage (pins 5, 8)
Sync Output Voltage
Parameter
I
Outputs floating
I
I
I
I
I
o
o
o
o
o
o
= 10mA
= 5mA
= 10mA
= 5mA
= 5mA
= 5mA
Test conditions
Low
High
V
V
Low
High
V
V
V
V
V
V
V
V
i
i
en
en
OL
OH
inh L
inh H
SYNC H
SYNC V
= L
= H
= L
= H
amb
= 25 C, V
Min.
4.75
3.9
3.9
3.3
2
2
s
= 5V unless otherwise
Typ
100
50
Max.
100
0.6
1.3
0.4
0.4
0.8
80
V
10
V
10
7
A
s
s
Unit
mA
V
V
V
V
V
V
V
V
V
V
A
A
A