| PartNumber | EZ80F91AZ050EG | EZ80F91AZ050SC | EZ80F91AZ050EC |
| Description | 8-bit Microcontrollers - MCU 50MHz 256K Flash | 8-bit Microcontrollers - MCU 50MHz 256K Flash | 8-bit Microcontrollers - MCU 50MHz 256K Flash |
| Manufacturer | ZiLOG | ZiLOG | ZiLOG |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-144 | LQFP-144 | LQFP-144 |
| Series | EZ80F91 | EZ80F91 | EZ80F91 |
| Core | eZ80 | eZ80 | eZ80 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 50 MHz | 50 MHz | 50 MHz |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 16 kB | 16 kB | 16 kB |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 32 I/O | 32 I/O | 32 I/O |
| Operating Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 70 C | + 105 C |
| Packaging | Tube | Tube | Tube |
| Height | 1.45 mm | 1.45 mm | 1.45 mm |
| Length | 20.1 mm | 20.1 mm | 20.1 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 20.1 mm | 20.1 mm | 20.1 mm |
| Brand | ZiLOG | ZiLOG | ZiLOG |
| Data ROM Type | Flash | Flash | Flash |
| Interface Type | I2C, IrDA, SPI, UART | I2C, IrDA, SPI, UART | I2C, IrDA, SPI, UART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 4 Timer | 16 Timer | 16 Timer |
| Processor Series | EZ80F91x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 60 | 60 | 60 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Unit Weight | 0.045518 oz | 0.045518 oz | 0.045518 oz |