| PartNumber | Z8F021ASH020EC | Z8F021ASH020EG | Z8F021ASH020EC00TR |
| Description | 8-bit Microcontrollers - MCU 2K FLASH 512B RAM | 8-bit Microcontrollers - MCU 2K FLASH 512B RAM | IC MCU 8BIT 2KB FLASH 20SOIC |
| Manufacturer | ZiLOG | ZiLOG | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | N | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Series | Z8F0 | Z8F0 | - |
| Core | eZ8 | eZ8 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 20 MHz | 20 MHz | - |
| Program Memory Size | 2 kB | 2 kB | - |
| Data RAM Size | 512 B | 512 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 17 I/O | 17 I/O | - |
| Operating Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Tube | Tube | - |
| Height | 2.44 mm | 2.44 mm | - |
| Length | 12.95 mm | 12.95 mm | - |
| Program Memory Type | Flash | Flash | - |
| Width | 7.6 mm | 7.6 mm | - |
| Brand | ZiLOG | ZiLOG | - |
| Data ROM Size | 64 B | 64 B | - |
| Data ROM Type | Flash | Flash | - |
| Interface Type | UART | UART | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 16 Timer | 2 Timer | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 38 | 38 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Unit Weight | 0.028254 oz | 0.028254 oz | - |
| Processor Series | - | Z8F021Ax | - |