| PartNumber | DS80C320-FCG+ | DS80C320-FNG+ | DS80C320-FNG |
| Description | 8-bit Microcontrollers - MCU High-Speed Low-Power | 8-bit Microcontrollers - MCU High-Speed Low-Power | 8-bit Microcontrollers - MCU High-Speed Low-Power |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFP-44 | TQFP-44 | TQFP-44 |
| Series | DS80C320 | DS80C320 | DS80C320 |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 25 MHz | 25 MHz | 25 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 32 I/O | 32 I/O | 32 I/O |
| Operating Supply Voltage | 4.25 V to 5.5 V | 4.25 V to 5.5 V | 4.25 V to 5.5 V |
| Minimum Operating Temperature | 0 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Tube |
| Height | 1.05 mm | 1.05 mm | 1.05 mm |
| Length | 10 mm | 10 mm | 10 mm |
| Program Memory Type | ROM | ROM | ROM |
| Width | 10 mm | 10 mm | 10 mm |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 64 kB | 64 kB | 64 kB |
| Data ROM Type | ROM | ROM | ROM |
| Interface Type | UART | UART | UART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | DS80C320 | DS80C320 | DS80C320 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 96 | 96 | 96 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Part # Aliases | 90-80320+FCG DS80C320 | 90-80320+FNG DS80C320 | 90-80320-FNG DS80C320 |