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| PartNumber | AT89C4051-12PU | AT89C4051-12PI | AT89C4051-12PC |
| Description | 8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V | 8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V 12MHZ IND TEMP | 8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V 12MHZ COM TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | N | N |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | PDIP-20 | PDIP-20 | PDIP-20 |
| Series | 89C | AT89C4051 | AT89C4051 |
| Core | 8051 | 8051 | 8051 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 24 MHz | 24 MHz | 24 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 128 B | 128 B | 128 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 15 I/O | 15 I/O | 15 I/O |
| Operating Supply Voltage | 2.7 V to 6 V | 2.7 V to 6 V | 2.7 V to 6 V |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Packaging | Tube | - | - |
| Height | 5.33 mm | 5.33 mm | 5.33 mm |
| Length | 26.92 mm | 26.92 mm | 26.92 mm |
| Product | MCU | - | - |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7.11 mm | 7.11 mm | 7.11 mm |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | UART | UART | UART |
| Number of Timers/Counters | 2 Timer | 2 Timer | 2 Timer |
| Processor Series | AT89x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 18 | 18 | 18 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Unit Weight | 0.079719 oz | 0.079719 oz | 0.079719 oz |
| Data ROM Type | - | Flash | Flash |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C4051-12PU | 8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V | |
| AT89C4051-12PI | 8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V 12MHZ IND TEMP | ||
| AT89C4051-12PC | 8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V 12MHZ COM TEMP | ||
| AT89C4051-12PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V | ||
| AT89C4051-12PC | IC MCU 8BIT 4KB FLASH 20DIP | ||
| AT89C4051-12PI | IC MCU 8BIT 4KB FLASH 20DIP |