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| Part Number | ST72C254G2B6 | ST72C254G2M6 | ST72C254G1B6 |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete |
| Core Processor | ST7 | ST7 | ST7 |
| Core Size | 8-Bit | 8-Bit | 8-Bit |
| Speed | 16MHz | 16MHz | 16MHz |
| Connectivity | I²C, SPI | I²C, SPI | I²C, SPI |
| Peripherals | LVD, POR, PWM, WDT | LVD, POR, PWM, WDT | LVD, POR, PWM, WDT |
| Number of I/O | 22 | 22 | 22 |
| Program Memory Size | 8KB (8K x 8) | 8KB (8K x 8) | 4KB (4K x 8) |
| Program Memory Type | Flash | Flash | Flash |
| EEPROM Size | - | - | - |
| RAM Size | 256 x 8 | 256 x 8 | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 3.2V ~ 5.5V | 3.2V ~ 5.5V | 3.2V ~ 5.5V |
| Data Converters | A/D 6x8b | A/D 6x8b | A/D 6x8b |
| Oscillator Type | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Surface Mount | Through Hole |
| Package / Case | 32-SDIP (0.400", 10.16mm) | 28-SOIC (0.295", 7.50mm Width) | 32-SDIP (0.400", 10.16mm) |
| Supplier Device Package | - | 28-SO | - |
