| 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-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) | |
| EE80C51FA24SF88 | INTEL CORP | MCS 51 | 8-Bit | 24MHz | SIO | 32 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| N87C5433SF76 | INTEL CORP | MCS 51 | 8-Bit | 33MHz | SIO | 32 | 16KB (16K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| N87C5833SF76 | INTEL CORP | MCS 51 | 8-Bit | 33MHz | SIO | 32 | 32KB (32K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| N80C31BH1SF88 | INTEL CORP | MCS 51 | 8-Bit | 16MHz | SIO | 32 | - | ROMless | - | 128 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| N87C511SF76 | INTEL CORP | MCS 51 | 8-Bit | 16MHz | SIO | 32 | 4KB (4K x 8) | OTP | - | 128 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| N87C51FA1SF76 | INTEL CORP | MCS 51 | 8-Bit | 16MHz | SIO | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| N87C51FA24SF76 | INTEL CORP | MCS 51 | 8-Bit | 24MHz | SIO | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| N87C51FC1 | INTEL CORP | MCS 51 | 8-Bit | 16MHz | SIO | 32 | 32KB (32K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| TN80C51FA1SF88 | INTEL CORP | MCS 51 | 8-Bit | 16MHz | SIO | 32 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) |
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