| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P87C52X2BA,512 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 33MHz | EBI/EMI, UART/USART | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 2.7 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| P87C5233SF76 | INTEL CORP | MCS 51 | 8-Bit | 33MHz | SIO | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 4 V ~ 6 V | - | External | 0°C ~ 70°C | 40-DIP | |
| N87C5233SF76 | INTEL CORP | MCS 51 | 8-Bit | 33MHz | SIO | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 4 V ~ 6 V | - | External | 0°C ~ 70°C | 44-LCC (J-Lead) | |
| P87C51FA33SF76 | INTEL CORP | MCS 51 | 8-Bit | 33MHz | SIO | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 40-DIP | |
| N87C51FA33SF76 | INTEL CORP | MCS 51 | 8-Bit | 33MHz | 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) | |
| EE87C51FA33 SF76 | INTEL CORP | MCS 51 | 8-Bit | 33MHz | SIO | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| DS87C550-QNL | MAXIM INTEGRATED PRODUCTS INC | 8051 | 8-Bit | 33MHz | EBI/EMI, SIO, UART/USART | 55 | 8KB (8K x 8) | OTP | - | 1K x 8 | 4.5 V ~ 5.5 V | A/D 6x10b | External | -40°C ~ 85°C | 68-LCC (J-Lead) | |
| DS87C550-QCL+ | MAXIM INTEGRATED PRODUCTS INC | 8051 | 8-Bit | 33MHz | EBI/EMI, SIO, UART/USART | 55 | 8KB (8K x 8) | OTP | - | 1K x 8 | 4.5 V ~ 5.5 V | A/D 6x10b | External | 0°C ~ 70°C | 68-LCC (J-Lead) | |
| P87C52X2BBD,157 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 33MHz | EBI/EMI, UART/USART | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 2.7 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 44-LQFP | |
| P87C52X2FBD,157 | NXP SEMICONDUCTORS | 8051 | 8-Bit | 33MHz | EBI/EMI, UART/USART | 32 | 8KB (8K x 8) | OTP | - | 256 x 8 | 2.7 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 44-LQFP |
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