Microcontroller, 8-Bit, 8051 CPU, 20MHz, CMOS, PQFP44,
| Parameter Name | Attribute value |
| Is it Rohs certified? | incompatible |
| Reach Compliance Code | unknown |
| Has ADC | NO |
| Address bus width | 16 |
| bit size | 8 |
| CPU series | 8051 |
| maximum clock frequency | 20 MHz |
| DAC channel | NO |
| DMA channel | NO |
| External data bus width | 8 |
| JESD-30 code | S-PQFP-G44 |
| JESD-609 code | e0 |
| Number of I/O lines | 32 |
| Number of terminals | 44 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| PWM channel | NO |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | QFP |
| Encapsulate equivalent code | QFP44,.5SQ,32 |
| Package shape | SQUARE |
| Package form | FLATPACK |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 5 V |
| Certification status | Not Qualified |
| RAM (bytes) | 256 |
| rom(word) | 0 |
| speed | 20 MHz |
| Maximum slew rate | 30.5 mA |
| Maximum supply voltage | 5.5 V |
| Minimum supply voltage | 4.5 V |
| Nominal supply voltage | 5 V |
| surface mount | YES |
| technology | CMOS |
| Temperature level | COMMERCIAL |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | GULL WING |
| Terminal pitch | 0.8 mm |
| Terminal location | QUAD |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| uPs/uCs/peripheral integrated circuit type | MICROCONTROLLER |
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