| PartNumber | MC34920EIR2 | MC34920EI | MC34921AER2 |
| Description | Motor / Motion / Ignition Controllers & Drivers STD KATANA PB FREE | Motor / Motion / Ignition Controllers & Drivers Motor Driver | Motor / Motion / Ignition Controllers & Drivers DUAL PWM DC MOTOR DRIVE |
| Manufacturer | NXP | NXP | NXP |
| Product Category | Motor / Motion / Ignition Controllers & Drivers | Motor / Motion / Ignition Controllers & Drivers | Motor / Motion / Ignition Controllers & Drivers |
| RoHS | Y | Y | Y |
| Type | Half Bridge | Line Receiver | Half Bridge |
| Operating Supply Voltage | 21 V to 42 V | 10 V | 5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PLCC-44 | PLCC-44 | LQFP-64 |
| Packaging | Reel | Tube | Reel |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | 0 C to + 70 C |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Motor / Motion / Ignition Controllers & Drivers | Motor / Motion / Ignition Controllers & Drivers | Motor / Motion / Ignition Controllers & Drivers |
| Factory Pack Quantity | 450 | 26 | 1500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.084183 oz | 0.084183 oz | 0.012916 oz |