| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CY8C27543-24AXI | CYPRESS SEMICONDUCTOR CORP | M8C | 8-Bit | 24MHz | I²C, SPI, UART/USART | 40 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 3 V ~ 5.25 V | A/D 4x14b; D/A 4x9b | Internal | -40°C ~ 85°C | 44-LQFP | |
| CY8C27543-24AXIT | CYPRESS SEMICONDUCTOR CORP | M8C | 8-Bit | 24MHz | I²C, SPI, UART/USART | 40 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 3 V ~ 5.25 V | A/D 4x14b; D/A 4x9b | Internal | -40°C ~ 85°C | 44-LQFP | |
| CY8C26643-24AI | CYPRESS SEMICONDUCTOR CORP | M8C | 8-Bit | 24MHz | SPI, UART/USART | 40 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 3 V ~ 5.25 V | A/D 1x8b, 1x11b, 1x12b; D/A 1x9b | Internal | -40°C ~ 85°C | 44-LQFP | |
| CY8C26643-24AIT | CYPRESS SEMICONDUCTOR CORP | M8C | 8-Bit | 24MHz | SPI, UART/USART | 40 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 3 V ~ 5.25 V | A/D 1x8b, 1x11b, 1x12b; D/A 1x9b | Internal | -40°C ~ 85°C | 44-LQFP | |
| CY8C26643-24AXI | CYPRESS SEMICONDUCTOR CORP | M8C | 8-Bit | 24MHz | SPI, UART/USART | 40 | 16KB (16K x 8) | FLASH | - | 256 x 8 | 3 V ~ 5.25 V | A/D 1x8b, 1x11b, 1x12b; D/A 1x9b | Internal | -40°C ~ 85°C | 44-LQFP | |
| W78C438C40FL | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | 40 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 100-QFP | |
| W78C438C40PL | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | 40 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 84-PLCC | |
| P80C552IFA/08,512 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 24MHz | EBI/EMI, I²C, UART/USART | 40 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 68-LCC (J-Lead) | |
| P80C552EBA/08,512 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 16MHz | EBI/EMI, I²C, UART/USART | 40 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | A/D 8x10b | Internal | 0°C ~ 70°C | 68-LCC (J-Lead) | |
| P80C552EBB/08,557 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 16MHz | EBI/EMI, I²C, UART/USART | 40 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | A/D 8x10b | Internal | 0°C ~ 70°C | 80-BQFP |
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