| PartNumber | Z51F3221ARX | Z51F3221ATX | Z51F6412000ZCOG |
| Description | 8-bit Microcontrollers - MCU Ser Core LCD Fl MCU 32KB Fl, 1.25K bytes | 8-bit Microcontrollers - MCU Ser Core LCD Fl MCU 32KB Fl, 1.25K bytes | Z51F6412 EVAL BRD |
| Manufacturer | ZiLOG | ZiLOG | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-80 | LQFP-64 | - |
| Series | Z51F3221 | Z51F3221 | - |
| Core | Z8051 | Z8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 8 MHz | 8 MHz | - |
| Program Memory Size | 32 kB | 32 kB | - |
| Data RAM Size | 256 B | 256 B | - |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | - |
| Brand | ZiLOG | ZiLOG | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | Z51F3221 | Z51F3221 | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 160 | 357 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Unit Weight | 0.022575 oz | 0.012088 oz | - |