| Part Number | ST72F324J4B6 | ST72F324K4B6 | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Core Processor | ST7 | ST7 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 8MHz | 8MHz | 
| Connectivity | SCI, SPI | SCI, SPI | 
| Peripherals | LVD, POR, PWM, WDT | LVD, POR, PWM, WDT | 
| Number of I/O | 32 | 24 | 
| Program Memory Size | 16KB (16K x 8) | 16KB (16K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 512 x 8 | 512 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 3.8V ~ 5.5V | 3.8V ~ 5.5V | 
| Data Converters | A/D 12x10b | A/D 8x10b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 42-DIP (0.600", 15.24mm) | 32-SDIP (0.400", 10.16mm) | 
| Supplier Device Package | - | - |