Характеристики
| Motor Type | Stepper |
| No. of Outputs | 4 |
| Output Current | 2.5A |
| Output Voltage | 35V |
| Supply Voltage Range | 3V to 5.5V |
| Driver Case Style | LCC |
| No. of Pins | 44 |
| Operating Temperature Range | -20°C to +85°C |
| MSL | MSL 3 - 168 hours |
| SVHC | No SVHC (15-Dec-2010) |
| Base Number | 3977 |
| Device Marking | A3977SED-T |
| Device Type | Motor |
| Motor Type | DMOS |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -20°C |
| Output Current Max | 3A |
| Output Voltage Max | 50V |
| Package / Case | PLCC |
| Packaging Type | Peel Pack |
| Supply Voltage Max | 5.5V |
| Supply Voltage Min | 3V |
| Termination Type | SMD |
A3977SED-TAllegro MicroSystemsDiscrete Semiconductors