| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST72F621L4M1 | STMICROELECTRONICS | ST7 | 8-Bit | 8MHz | SCI, SPI, USB | 23 | 16KB (16K x 8) | FLASH | - | 768 x 8 | 4 V ~ 5.5 V | A/D 8x10b | Internal | 0°C ~ 70°C | 34-BSOP (0.295, 7.50mm Width) | |
| ST72F621J4T1 | STMICROELECTRONICS | ST7 | 8-Bit | 8MHz | SCI, SPI, USB | 31 | 16KB (16K x 8) | FLASH | - | 768 x 8 | 4 V ~ 5.5 V | A/D 8x10b | Internal | 0°C ~ 70°C | 44-LQFP | |
| ST72F621J4B1 | STMICROELECTRONICS | ST7 | 8-Bit | 8MHz | SCI, SPI, USB | 31 | 16KB (16K x 8) | FLASH | - | 768 x 8 | 4 V ~ 5.5 V | A/D 8x10b | Internal | 0°C ~ 70°C | 42-DIP (0.600, 15.24mm) | |
| ST72F621K4B1 | STMICROELECTRONICS | ST7 | 8-Bit | 8MHz | SCI, SPI, USB | 21 | 16KB (16K x 8) | FLASH | - | 768 x 8 | 4 V ~ 5.5 V | A/D 8x10b | Internal | 0°C ~ 70°C | 32-SDIP (0.400, 10.16mm) |
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