L297/1 STMicroelectronics, L297/1 Datasheet - Page 6

• Manufacturer Part Number: L297/1
• Description: IC STEPPER MOTOR CTRLR 20-DIP
• Manufacturer: STMicroelectronics
• Type: Stepper Motor Controller/Driverr

Specifications of L297/1

• Applications: Stepper Motor Controller
• Number Of Outputs: 4
• Voltage - Supply: 4.75 V ~ 7 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 7 V
• Supply Current: 80 mA
• Mounting Style: Through Hole
• Current, Quiescent Supply: 50 mA (Typ.)
• Number Of Pins: 20
• Package Type: DIP20
• Power Dissipation: 1 W
• Temperature, Junction, Maximum: 150 °C
• Temperature, Storage: -40 to +150 °C
• Voltage, Input: 0.6 V (Max.)
• Voltage, Supply: 4.75 to 7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1394-5

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