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| PartNumber | AT89C2051-12PU | AT89C2051-12PI | AT89C2051-12PC |
| Description | 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V | 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH - 12MHZ | IC MCU 8BIT 2KB FLASH 20DIP |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | N | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-20 | PDIP-20 | - |
| Series | 89C | 89C | - |
| Core | 8051 | 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 24 MHz | 24 MHz | - |
| Program Memory Size | 2 kB | 2 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 | 5.33 mm | 5.33 mm | - |
| Length | 26.92 mm | 26.92 mm | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | Flash | - |
| Width | 7.11 mm | 7.11 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Interface Type | UART | UART | - |
| Number of Timers/Counters | 2 Timer | 2 Timer | - |
| Processor Series | AT89x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 18 | 18 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 6 V | 6 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Unit Weight | 0.079719 oz | 0.079719 oz | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C2051-12PU | 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V | |
| AT89C2051-12PI | 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH - 12MHZ | ||
| AT89C2051-12PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V | ||
| AT89C2051-12PC | IC MCU 8BIT 2KB FLASH 20DIP | ||
| AT89C2051-12PI | IC MCU 8BIT 2KB FLASH 20DIP | ||
| AT89C2051-12PU- | New and Original |