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| PartNumber | Z8F021APJ020EG2156 | Z8F021APJ020EG | Z8F021APJ020EC |
| Description | 8-bit Microcontrollers - MCU 2K FLASH 512B RAM 64B NVDS | 8-bit Microcontrollers - MCU 2K FLASH 512B RAM | IC MCU 8BIT 2KB FLASH 28DIP |
| Manufacturer | ZiLOG | ZiLOG | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| 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 | - |
| 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 | - |
| Brand | ZiLOG | ZiLOG | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 450 | 15 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Mounting Style | - | Through Hole | - |
| Package / Case | - | PDIP-28 | - |
| ADC Resolution | - | No ADC | - |
| Number of I/Os | - | 25 I/O | - |
| Height | - | 4.19 mm | - |
| Length | - | 37.34 mm | - |
| Program Memory Type | - | Flash | - |
| Width | - | 14.1 mm | - |
| Data ROM Size | - | 64 B | - |
| Data ROM Type | - | Flash | - |
| Interface Type | - | UART | - |
| Number of Timers/Counters | - | 2 Timer | - |
| Processor Series | - | Z8F021Ax | - |
| Supply Voltage Max | - | 3.6 V | - |
| Supply Voltage Min | - | 2.7 V | - |
| Unit Weight | - | 0.147798 oz | - |