8-bit microcontroller featuring an 8051 CPU core operating at a maximum clock frequency of 40MHz. This CMOS device offers 128 words of FLASH ROM and 256 bytes of RAM, with 36 I/O lines and an 8-bit external data bus. It supports a 16-bit address bus and includes PWM channels, operating within a commercial temperature range of 0°C to 70°C. The component is housed in a 44-terminal PQFP package with a nominal supply voltage of 5V.
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Winbond W78E858F technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 44 |
| Min Operating Temperature | 0 |
| Terminal Position | QUAD |
| JEDEC Package Code | S-PQFP-G44 |
| Width | 10 |
| Length | 10 |
| Pin Count | 44 |
| Temperature Grade | COMMERCIAL |
| Supply Current-Max | 20 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Number of I/O Lines | 36 |
| External Data Bus Width | 8 |
| Address Bus Width | 16 |
| Bit Size | 8 |
| Speed | 40 |
| ROM Programmability | FLASH |
| ROM (words) | 128 |
| RAM (bytes) | 256 |
| PWM Channels | YES |
| Has ADC | NO |
| DMA Channels | NO |
| DAC Channels | NO |
| RoHS | No |
| Eccn Code | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| REACH | unknown |
| Military Spec | False |
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