IC MCU 8BIT 2KB FLASH 20DIP Product overview: AT89C2051-12PI from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 2KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 2KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89C2051-12PI can be used for catalog matching and distributor lookup.
Manufacturer: Microchip Technology
Win Source Part Number: 221361-AT89C2051-12P
Packaging: Tube/Rail
Core Processor: 8051
Number of I/O: 15
Program Memory Size: 2KB (2K x 8)
Program Memory Type: FLASH
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 20-PDIP
Speed(Frequency): 12MHz
Supply Voltage - Operating: 4 V to 6 V
Part Core Size: 8-Bit
Data RAM Size: 128 x 8
Popularity: Medium
Fake Threat In the Open Market: 58 pct.
Supply and Demand Status: Limited
8051 89C Microcontroller IC 8-Bit 12MHz 2KB (2K x 8) FLASH 20-PDIP
IC MCU 8BIT 2KB FLASH 20DIP
IC MCU 8BIT 2KB FLASH 20DIP
8051 89C Microcontroller IC 8-Bit 12MHz 2KB (2K x 8) FLASH 20-PDIP
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-AT89C2051-12PI | 221361-AT89C2051-12PI | AT89C2051-12PI-ND | AT89C2051-12PI | AT89C2051-12PI | AT89C2051-12PI |
| Product Name | 8-bit 8BIT 2KB Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - AT89C2051-12PI | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| RAM | 0.1280 KB | 2 KB | 0.1280 KB | 128 KB | 0.1280 KB | |
| Supply Voltage | 4 to 6 volts | 4 to 6 volts | 4 to 6 volts | 6 to 4 volts | ||
| Package Type | Other; Tube | CDIP; Other; 20-PDIP | CDIP; Other; "20-DIP (0.300"", 7.62mm)" | CDIP; Other; 20-DIP (0.300\", 7.62mm) | ||
| Operating Temperature | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) |
