 |  | | |
| PartNumber | AT89C2051-12PU | AT89C2051-12SU | AT89C2051-12PI |
| Description | 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V | 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V | 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH - 12MHZ |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | N |
| Mounting Style | Through Hole | SMD/SMT | Through Hole |
| Package / Case | PDIP-20 | SOIC-20 | PDIP-20 |
| Series | 89C | 89C | 89C |
| 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 | 2 kB | 2 kB | 2 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 | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | - |
| Height | 5.33 mm | 2.35 mm | 5.33 mm |
| Length | 26.92 mm | 13 mm | 26.92 mm |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7.11 mm | 7.6 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 | AT89x | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 18 | 37 | 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 | 0.028254 oz | 0.079719 oz |
| Moisture Sensitive | - | Yes | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
AT89C2051-24PU | 8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V | |
| AT89C2051-12PU | 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V | ||
| AT89C2051-12SU | 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V | ||
| AT89C2051-24PI | 8-bit Microcontrollers - MCU 20 PINS UART 2K - FLASH - 24MHZ | ||
| AT89C2051-12PI | 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH - 12MHZ | ||
| AT89C2051-12SUR | 12MHZ SOIC IND TEMP GREEN 4V - 5.5V | ||
| AT89C2051-12SU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-2MHZ 4V-5.5V | ||
| AT89C2051-12PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V | ||
| AT89C2051-24PU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V | ||
| AT89C010A-12PC | New and Original | ||
| AT89C0251-24PU | New and Original | ||
| AT89C1051 | New and Original | ||
| AT89C1051-12PC | MICROCONTROLLER, 8-BIT, FLASH, 8051 CPU, 12MHZ, CMOS, PDIP20 | ||
| AT89C1051-12PI | New and Original | ||
| AT89C1051-12SC | IC MCU 8BIT 1KB FLASH 20SOIC | ||
| AT89C1051-24PC | New and Original | ||
| AT89C1051-24PI | MicroController, 8-Bit, 20 Pin, Plastic, DIP | ||
| AT89C1051-24PU | New and Original | ||
| AT89C1051-24SC | IC MCU 8BIT 1KB FLASH 20SOIC | ||
| AT89C1051-24SC. | New and Original | ||
| AT89C1051-24SI | IC MCU 8BIT 1KB FLASH 20SOIC | ||
| AT89C1051U-12SC | IC MCU 8BIT 1KB FLASH 20SOIC | ||
| AT89C1051U-24PC | IC MCU 8BIT 1KB FLASH 20DIP | ||
| AT89C1051U-24SC | IC MCU 8BIT 1KB FLASH 20SOIC | ||
| AT89C2051 | New and Original | ||
| AT89C2051-12 | New and Original | ||
| AT89C2051-12PC | IC MCU 8BIT 2KB FLASH 20DIP | ||
| AT89C2051-12PI | IC MCU 8BIT 2KB FLASH 20DIP | ||
| AT89C2051-12PU- | New and Original | ||
| AT89C2051-12S | New and Original | ||
| AT89C2051-12SC | IC MCU 8BIT 2KB FLASH 20SOIC | ||
| AT89C2051-12SI | IC MCU 8BIT 2KB FLASH 20SOIC | ||
| AT89C2051-12SI/SC | New and Original | ||
| AT89C2051-12SJ | New and Original | ||
| AT89C2051-12SU : | New and Original | ||
| AT89C2051-24 | New and Original | ||
| AT89C2051-24P1 | New and Original | ||
| AT89C2051-24PA | New and Original | ||
| AT89C2051-24PC | IC MCU 8BIT 2KB FLASH 20DIP | ||
| AT89C2051-24PI | IC MCU 8BIT 2KB FLASH 20DIP | ||
| AT89C2051-24PI .. | New and Original | ||
| AT89C2051-24PI/PU | New and Original | ||
| AT89C2051-24PU . | New and Original | ||
| AT89C2051-24PU(ROHS) | New and Original | ||
| AT89C1051U-12PC | IC MCU 8BIT 1KB FLASH 20DIP | ||
| AT89C1051-12SI | IC MCU 8BIT 1KB FLASH 20SOIC | ||
| AT89C1051U-12PI | IC MCU 8BIT 1KB FLASH 20DIP | ||
| AT89C1051U-12SI | IC MCU 8BIT 1KB FLASH 20SOIC | ||
| AT89C1051U-24PI | IC MCU 8BIT 1KB FLASH 20DIP | ||
| AT89C1051U-24SI | IC MCU 8BIT 1KB FLASH 20SOIC |