| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P89V51RB2FA,529 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 16KB (16K x 8) | FLASH | - | 1K x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| P89V51RB2FN,112 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 16KB (16K x 8) | FLASH | - | 1K x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 40-DIP (0.600, 15.24mm) | |
| P89V51RB2BBC,557 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 16KB (16K x 8) | FLASH | - | 1K x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 44-TQFP | |
| P89CV51RB2FA,512 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 40MHz | EBI/EMI, SPI, UART/USART | 32 | 16KB (16K x 8) | FLASH | - | 1K x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| P89CV51RB2FBC,557 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 40MHz | EBI/EMI, SPI, UART/USART | 32 | 16KB (16K x 8) | FLASH | - | 1K x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 44-TQFP |
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