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| PartNumber | MB9BF121JPMC-G-JNE2 | MB9BF121JWQN-G-JNE2 | MB9BF121JLPMC-G-JNE2 |
| Description | ARM Microcontrollers - MCU 64KB FLASH 8KB RAM ARM Cortex M3 | ARM Microcontrollers - MCU 64KB FLASH 8KB RAM ARM Cortex M3 | Microcontrollers - MCU ARM Microcontrollers - MCU STANDARD MICOM FLASH MICOM-0.09 |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-32 | QFN-32 | - |
| Series | MB9B120J | MB9B120J | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 72 MHz | 72 MHz | - |
| Program Memory Size | 64 kB | 64 kB | - |
| Data RAM Size | 16 kB | 16 kB | - |
| Number of I/Os | 23 I/O | 23 I/O | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Tray | Tray | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | - |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 64 kB | 64 kB | - |
| Data ROM Type | Flash | Flash | - |
| Interface Type | I2C, UART, USART, USB | I2C, UART, USART, USB | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 4 x 32 bit/8 x 16 bit, 2 x 16 bit/32 bit | 4 x 32 bit/8 x 16 bit, 2 x 16 bit/32 bit | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 250 | 490 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Unit Weight | 0.027302 oz | 0.006653 oz | - |