| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Z51F0811QUX | ZILOG INC | 8051 | 8-Bit | 12MHz | I²C, SPI, UART/USART | 30 | 8KB (8K x 8) | FLASH | 512 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 15x12b | Internal | -40°C ~ 85°C | 32-VFQFN Exposed Pad | |
| Z51F3220SKX | ZILOG INC | 8051 | 8-Bit | 16MHz | I²C, SPI, UART/USART | 30 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 1.8 V ~ 5.5 V | A/D 12x12b | Internal | -40°C ~ 85°C | 32-SOIC (0.295, 7.50mm Width) | |
| Z51F3221ARX | ZILOG INC | 8051 | 8-Bit | 12MHz | SIO, UART/USART | 54 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.5 V | A/D 5x12b | Internal | -40°C ~ 85°C | 64-LQFP | |
| Z51F3221ATX | ZILOG INC | 8051 | 8-Bit | 12MHz | SIO, UART/USART | 70 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 1.8 V ~ 5.5 V | A/D 8x12b | Internal | -40°C ~ 85°C | 80-LQFP | |
| Z51F6412ARX | ZILOG INC | 8051 | 8-Bit | 16MHz | I²C, SPI, UART/USART | 52 | 64KB (64K x 8) | FLASH | - | 3.25K x 8 | 2 V ~ 5.5 V | A/D 15x12b | Internal | -40°C ~ 85°C | 64-LQFP | |
| Z51F0410HCX | ZILOG INC | 8051 | 8-Bit | 8MHz | I²C, UART/USART | 8 | 4KB (4K x 8) | FLASH | 256 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 8x12b | Internal | -40°C ~ 85°C | 10-SOP (0.154, 3.90mm Width) | |
| Z51F0811RFX | ZILOG INC | 8051 | 8-Bit | 12MHz | I²C, SPI, UART/USART | 14 | 8KB (8K x 8) | FLASH | 512 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 8x12b | Internal | -40°C ~ 85°C | 16-TSSOP (0.173, 4.40mm Width) | |
| Z51F0811RHX | ZILOG INC | 8051 | 8-Bit | 12MHz | I²C, SPI, UART/USART | 18 | 8KB (8K x 8) | FLASH | 512 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 9x12b | Internal | -40°C ~ 85°C | 20-TSSOP (0.173, 4.40mm Width) | |
| Z51F0811RJX | ZILOG INC | 8051 | 8-Bit | 12MHz | I²C, SPI, UART/USART | 26 | 8KB (8K x 8) | FLASH | 512 x 8 | 256 x 8 | 1.8 V ~ 5.5 V | A/D 12x12b | Internal | -40°C ~ 85°C | 28-TSSOP (0.173, 4.40mm Width) | |
| Z51F6412ATX | ZILOG INC | 8051 | 8-Bit | 16MHz | I²C, SPI, UART/USART | 66 | 64KB (64K x 8) | FLASH | - | 3.25K x 8 | 2 V ~ 5.5 V | A/D 15x12b | Internal | -40°C ~ 85°C | 80-LQFP |
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