| 型号 | 制造商 | 描述 | 操作 |
| ST72F521AR9TC [更多] | STMicroelectronics | 8-bit Microcontrollers - MCU Flask 60K SPI/SCI/I2 RoHS: Not compliant | 搜索 |
| ST72F521AR9TCE [更多] | STMicroelectronics | 8-bit Microcontrollers - MCU 8B MCU RoHS: Compliant | 搜索 |
| ST72F521AR9TCTR [更多] | STMicroelectronics | 8-bit Microcontrollers - MCU AUTO 8BIT MICRO RoHS: Not compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| ST72F521AR9TCS [更多] | STMicroelectronics | 4-Bit/8-Bit MCU (Alt: ST72F521AR9TCS) RoHS: Compliant | 搜索 |
| ST72F521AR9TCE [更多] | STMicroelectronics | MCU 8-bit ST7 CISC 60KB Flash 5V 64-Pin TQFP (Alt: ST72F521AR9TCE) RoHS: Compliant | 搜索 |