8-Bit Microcontroller, featuring an 8051 CPU core and 12MHz clock speed. This CMOS device offers 4096 words of FLASH ROM and 128 bytes of RAM. It includes 32 I/O lines, an 8-bit external data bus, and a 16-bit address bus. Operating within an industrial temperature range of -40°C to 85°C, it requires a supply voltage from 4V to 6V. The component is housed in a 40-pin PDIP package.
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Atmel AT89C51-12PI technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 40 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T40 |
| Width | 15.24 |
| Length | 52.2 |
| Pin Count | 40 |
| Temperature Grade | INDUSTRIAL |
| Supply Current-Max | 20 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4 |
| Supply Voltage-Max | 6 |
| Clock Frequency-Max | 24 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 32 |
| External Data Bus Width | 8 |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Speed | 12 |
| ROM Programmability | FLASH |
| ROM (words) | 4096 |
| RAM (bytes) | 128 |
| PWM Channels | NO |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | No |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
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