SAA1027 Stepper Motor Driver, DIP16
The SAA1027 is a bipolar integrated circuit intended for driving a four-phase two-stator motor. The circuit consists of a bidirectional four-state counter and a code converter to drive the four outputs in the sequence required for driving a stepper motor.
Features
| Supply voltage range | VCC | 9.5 to 18 V |
| Supply current, unloaded | ICC typ. | 4.5 mA |
| Input voltage | all inputs | |
| HIGH VIH | min. | 7.5 V |
| LOW VIL | max. | 4.5 V |
| Input current, all inputs, LOW | IIL | typ. 30 µA |
| Output current LOW IOL | max. | 500 mA |
| Operating ambient temperature range | Tamb | -20 to +70 °C |
Datasheet: http://www.sfu.ca/phys/430/datasheets/saa1027.pdf