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| PartNumber | AT89C4051-12SU | AT89C4051-12SI | AT89C4051-12SC |
| Description | 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V | 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ | IC MCU 8BIT 4KB FLASH 20SOIC |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Series | 89C | 89C | - |
| Core | 8051 | 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 24 MHz | 24 MHz | - |
| Program Memory Size | 4 kB | 4 kB | - |
| Data RAM Size | 128 B | 128 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 15 I/O | 15 I/O | - |
| Operating Supply Voltage | 2.7 V to 6 V | 2.7 V to 6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tube | - | - |
| Height | 2.35 mm | 2.35 mm | - |
| Length | 13 mm | 13 mm | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | Flash | - |
| Width | 7.6 mm | 7.6 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Interface Type | UART | UART | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 2 Timer | 3 Timer | - |
| Processor Series | AT89x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 37 | 38 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 6 V | 6 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Part # Aliases | AT89C4051-12SUR | - | - |
| Unit Weight | 0.028254 oz | 0.028254 oz | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C4051-12SU | 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V | |
| AT89C4051-12SI | 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ | ||
| AT89C4051-12SUR | 12MHZ SOIC IND TEMP GREEN 4V - 5.5V | ||
| AT89C4051-12SU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V | ||
| AT89C4051-12SI | IC MCU 8BIT 4KB FLASH 20SOIC | ||
| AT89C4051-12SC | IC MCU 8BIT 4KB FLASH 20SOIC |