| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T89C51RB2-RLTIM | ATMEL CORP | 80C51 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 16KB (16K x 8) | FLASH | - | 1.25K x 8 | 4.5 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LQFP | |
| T89C51RB2-SLSIM | ATMEL CORP | 80C51 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 16KB (16K x 8) | FLASH | - | 1.25K x 8 | 4.5 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| TS87C51RB2-VIA | ATMEL CORP | 80C51 | 8-Bit | 40/30MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 40-DIP (0.600, 15.24mm) | |
| TS87C51RB2-VCA | ATMEL CORP | 80C51 | 8-Bit | 40/30MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 40-DIP (0.600, 15.24mm) | |
| TS87C54X2-VCA | ATMEL CORP | 80C51 | 8-Bit | 40/30MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 40-DIP (0.600, 15.24mm) | |
| TS87C54X2-MIA | ATMEL CORP | 80C51 | 8-Bit | 40/20MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 40-DIP (0.600, 15.24mm) | |
| TS87C54X2-VIA | ATMEL CORP | 80C51 | 8-Bit | 40/30MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 40-DIP (0.600, 15.24mm) | |
| TS87C51RB2-MIA | ATMEL CORP | 80C51 | 8-Bit | 40/20MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 4.5 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 40-DIP (0.600, 15.24mm) | |
| TS87C51RB2-MCA | ATMEL CORP | 80C51 | 8-Bit | 40/20MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 512 x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 40-DIP (0.600, 15.24mm) | |
| TS87C54X2-MCA | ATMEL CORP | 80C51 | 8-Bit | 40/20MHz | UART/USART | 32 | 16KB (16K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 40-DIP (0.600, 15.24mm) |
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