| PartNumber | ST72C334N4T6 | ST72C334J4B6 | ST72C334J4T6 |
| Description | 8-bit Microcontrollers - MCU Flash 16K SPI/SCI | 8-bit Microcontrollers - MCU Flash 16K SPI/SCI | IC MCU 8BIT 16KB FLASH 44LQFP |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | TQFP-64 | PDIP-42 | - |
| Series | ST72C334 | ST72C334 | ST7 |
| Core | ST7 | ST7 | ST7 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz |
| Program Memory Size | 16 kB | 16 kB | 16KB (16K x 8) |
| Data RAM Size | 512 B | 512 B | 512 B |
| ADC Resolution | 8 bit | 8 bit | 8 bit |
| Number of I/Os | 32 I/O | 32 I/O | - |
| Operating Supply Voltage | 3.2 V to 5.5 V | 3.2 V to 5.5 V | 3.2 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tube | Tray |
| Height | 1.4 mm | 3.81 mm | - |
| Length | 14 mm | 36.83 mm | - |
| Program Memory Type | Flash | Flash | FLASH |
| Width | 14 mm | 13.72 mm | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Data ROM Size | 256 B | 256 B | 256 B |
| Data ROM Type | Flash | Flash | Flash |
| Interface Type | SCI, SPI | SCI, SPI | SCI SPI |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 | 8 | 8 |
| Number of Timers/Counters | 4 Timer | 4 Timer | - |
| Processor Series | ST72C3x | ST72C3x | ST72C3x |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 540 | 390 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5 V | 5 V | - |
| Supply Voltage Min | 3.2 V | 3.2 V | - |
| Unit Weight | 0.012720 oz | 0.154832 oz | - |
| Package Case | - | - | TQFP-44 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | * |
| Number of I O | - | - | 32 |
| Speed | - | - | 16MHz |
| EEPROM Size | - | - | 256 x 8 |
| Core Processor | - | - | ST7 |
| RAM Size | - | - | 512 x 8 |
| Peripherals | - | - | LVD, POR, PWM, WDT |
| Connectivity | - | - | SCI, SPI |
| Voltage Supply Vcc Vdd | - | - | 3.2 V ~ 5.5 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | A/D 6x8b |
| Oscillator Type | - | - | Internal |
| Supply Voltage Max | - | - | 5 V |
| Supply Voltage Min | - | - | 3.2 V |
| Number of I Os | - | - | 32 I/O |
| Number of Timers Counters | - | - | 4 Timer |