| Program Memory Type | ROMLess |
| PCB changed | 40 |
| Maximum Expanded Memory Size | 64KB |
| Data Bus Width (bit) | 8 |
| Maximum Power Dissipation (mW) | 1500 |
| Device Core | 8051 |
| SPI | 0 |
| Minimum Operating Temperature (°C) | 0 |
| Maximum Operating Temperature (°C) | 70 |
| Supplier Package | PDIP |
| No. of Timers | 2 |
| Instruction Set Architecture | CISC |
| Core Architecture | 8051 |
| Family Name | MCS51 |
| Maximum Operating Supply Voltage (V) | 5.5 |
| Maximum Clock Rate (MHz) | 12 |
| EU RoHS | Not Compliant |
| I2C | 0 |
| Maximum CPU Frequency (MHz) | 12 |
| USB | 0 |
| RAM Size | 128B |
| UART | 0 |
| I2S | 0 |
| Supplier Temperature Grade | Commercial |
| Standard Package Name | DIP |
| CECC Qualified | No |
| Pin Count | 40 |
| Mounting | Through Hole |
| USART | 0 |
| CAN | 0 |
| Lead Shape | Through Hole |
| Ethernet | 0 |
| Part Status | Obsolete |
| Number of I/Os | 32 |
| Typical Operating Supply Voltage (V) | 5 |
| Programmability | No |
| Minimum Operating Supply Voltage (V) | 4.5 |
