| PartNumber | S9S12XS256J0MAAR | S9S12XS256J0MAE | S9S12XS256J0MAA |
| Description | 16-bit Microcontrollers - MCU 16 BIT 256K FLASH | 16-bit Microcontrollers - MCU 16-bit MCU, S12X core, 256KB Flash, 40MHz, -40/+125degC, Automotive Qualified, QFP 64 | 16-bit Microcontrollers - MCU 16-bit MCU, S12X core, 256KB Flash, 40MHz, -40/+125degC, Automotive Qualified, QFP 80 |
| Manufacturer | NXP | NXP | NXP |
| Product Category | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PQFP-80 | LQFP-64 | PQFP-80 |
| Series | MC9S12XS256 | MC9S12XS256 | MC9S12XS256 |
| Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| Packaging | Reel | Tray | Tray |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Moisture Sensitive | Yes | - | - |
| Product Type | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU |
| Factory Pack Quantity | 750 | - | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Part # Aliases | 935311459528 | 935319507557 | 935311459557 |
| Unit Weight | 0.032999 oz | 0.012224 oz | 0.032999 oz |
| Core | - | S12X | - |
| Data Bus Width | - | 16 bit | - |
| Maximum Clock Frequency | - | 40 MHz | - |
| Program Memory Size | - | 256 kB | - |
| Data RAM Size | - | 12 kB | - |
| Number of I/Os | - | 44 I/O | - |
| Operating Supply Voltage | - | 3.135 V to 5.5 V | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 125 C | - |
| Product | - | MCU | - |
| Program Memory Type | - | Flash | - |
| Data RAM Type | - | RAM | - |
| Data ROM Size | - | 8 kB | - |
| Data ROM Type | - | EEPROM | - |
| Interface Type | - | SCI, SPI | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 3.135 V | - |
| Watchdog Timers | - | Watchdog Timer | - |