| PartNumber | Z8F3221PM020EG | Z8F3221PM020EC | Z8F3221PM020SC |
| Description | 8-bit Microcontrollers - MCU 32K FLASH ENHANCED 2K RAM 2 UARTS | IC MCU 8BIT 32KB FLASH 40DIP | IC MCU 8BIT 32KB FLASH 40DIP |
| Manufacturer | ZiLOG | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | PDIP-40 | - | - |
| Series | Z8F322 | - | - |
| Core | eZ8 | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 20 MHz | - | - |
| Program Memory Size | 32 kB | - | - |
| Data RAM Size | 2 kB | - | - |
| Number of I/Os | 29 I/O | - | - |
| Operating Supply Voltage | 3 V to 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 105 C | - | - |
| Packaging | Tube | - | - |
| Height | 3.94 mm | - | - |
| Length | 52.58 mm | - | - |
| Program Memory Type | Flash | - | - |
| Width | 14.22 mm | - | - |
| Brand | ZiLOG | - | - |
| Data ROM Type | Flash | - | - |
| Interface Type | I2C, SPI, UART | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | Z8F322x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 10 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Unit Weight | 0.210004 oz | - | - |