8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDSO20
| Parameter Name | Attribute value |
| Is it lead-free? | Lead free |
| Is it Rohs certified? | conform to |
| Maker | Atmel (Microchip) |
| Parts packaging code | SOIC |
| package instruction | SOP, SOP20,.4 |
| Contacts | 20 |
| Reach Compliance Code | compliant |
| ECCN code | EAR99 |
| core architecture | 8051 |
| Device core | 8051 |
| clock speed | 24 |
| Memory | 0.125 |
| flash memory | 2 |
| Samacsys Description | AT89C2051-24SU, 8 bit 8051 Microcontroller 24MHz 2kb Flash, 128B RAM, 20-Pin SOIC |
| Has ADC | NO |
| Address bus width | |
| bit size | 8 |
| CPU series | 8051 |
| maximum clock frequency | 24 MHz |
| DAC channel | NO |
| DMA channel | NO |
| External data bus width | |
| JESD-30 code | R-PDSO-G20 |
| JESD-609 code | e3 |
| length | 12.8 mm |
| Humidity sensitivity level | 1 |
| Number of I/O lines | 15 |
| Number of terminals | 20 |
| On-chip program ROM width | 8 |
| Maximum operating temperature | 85 °C |
| Minimum operating temperature | -40 °C |
| PWM channel | NO |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | SOP |
| Encapsulate equivalent code | SOP20,.4 |
| Package shape | RECTANGULAR |
| Package form | SMALL OUTLINE |
| Peak Reflow Temperature (Celsius) | 260 |
| power supply | 5 V |
| Certification status | Not Qualified |
| RAM (bytes) | 128 |
| rom(word) | 2048 |
| ROM programmability | FLASH |
| Maximum seat height | 2.65 mm |
| speed | 24 MHz |
| Maximum supply voltage | 6 V |
| Minimum supply voltage | 4 V |
| Nominal supply voltage | 5 V |
| surface mount | YES |
| technology | CMOS |
| Temperature level | INDUSTRIAL |
| Terminal surface | Matte Tin (Sn) - annealed |
| Terminal form | GULL WING |
| Terminal pitch | 1.27 mm |
| Terminal location | DUAL |
| Maximum time at peak reflow temperature | 40 |
| width | 7.5 mm |
| uPs/uCs/peripheral integrated circuit type | MICROCONTROLLER |
| Base Number Matches | 1 |
| AT89C2051-24SU | AT89C2051-12PI | AT89C2051-24SC | |
|---|---|---|---|
| Description | 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDSO20 | 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP20 | 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP20 |
| Is it Rohs certified? | conform to | incompatible | incompatible |
| Maker | Atmel (Microchip) | Atmel (Microchip) | Atmel (Microchip) |
| Parts packaging code | SOIC | DIP | SOIC |
| package instruction | SOP, SOP20,.4 | DIP, DIP20,.3 | SOP, SOP20,.4 |
| Contacts | 20 | 20 | 20 |
| Reach Compliance Code | compliant | compli | unknow |
| Has ADC | NO | NO | NO |
| bit size | 8 | 8 | 8 |
| CPU series | 8051 | 8051 | 8051 |
| maximum clock frequency | 24 MHz | 12 MHz | 24 MHz |
| DAC channel | NO | NO | NO |
| DMA channel | NO | NO | NO |
| JESD-30 code | R-PDSO-G20 | R-PDIP-T20 | R-PDSO-G20 |
| JESD-609 code | e3 | e0 | e0 |
| length | 12.8 mm | 25.908 mm | 12.8 mm |
| Number of I/O lines | 15 | 15 | 15 |
| Number of terminals | 20 | 20 | 20 |
| Maximum operating temperature | 85 °C | 85 °C | 70 °C |
| Minimum operating temperature | -40 °C | -40 °C | - |
| PWM channel | NO | NO | NO |
| Package body material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | SOP | DIP | SOP |
| Encapsulate equivalent code | SOP20,.4 | DIP20,.3 | SOP20,.4 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | SMALL OUTLINE | IN-LINE | SMALL OUTLINE |
| power supply | 5 V | 3/5 V | 5 V |
| Certification status | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 128 | 128 | 128 |
| rom(word) | 2048 | 2048 | 2048 |
| ROM programmability | FLASH | FLASH | FLASH |
| Maximum seat height | 2.65 mm | 5.334 mm | 2.65 mm |
| speed | 24 MHz | 12 MHz | 24 MHz |
| Maximum supply voltage | 6 V | 6 V | 6 V |
| Minimum supply voltage | 4 V | 2.7 V | 4 V |
| Nominal supply voltage | 5 V | 3 V | 5 V |
| surface mount | YES | NO | YES |
| technology | CMOS | CMOS | CMOS |
| Temperature level | INDUSTRIAL | INDUSTRIAL | COMMERCIAL |
| Terminal surface | Matte Tin (Sn) - annealed | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | GULL WING | THROUGH-HOLE | GULL WING |
| Terminal pitch | 1.27 mm | 2.54 mm | 1.27 mm |
| Terminal location | DUAL | DUAL | DUAL |
| width | 7.5 mm | 7.62 mm | 7.5 mm |
| uPs/uCs/peripheral integrated circuit type | MICROCONTROLLER | MICROCONTROLLER | MICROCONTROLLER |
| Peak Reflow Temperature (Celsius) | 260 | 225 | - |
| Maximum time at peak reflow temperature | 40 | 30 | - |
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