IC MCU 8BIT 2KB FLASH 20DIP Product overview: AT89C2051-24PU 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-AT89C2051-24PU can be used for catalog matching and distributor lookup.
MCU 8-Bit CISC 2KB Flash 5V PDIP
MCU 8-Bit CISC 2KB Flash 5V PDIP
8051 89C Microcontroller IC 8-Bit 24MHz 2KB (2K x 8) FLASH 20-PDIP
Manufacturer: Microchip Technology
Win Source Part Number: 091464-AT89C2051-24P
Packaging: Tube/Rail
Core Processor: 8051
Number of I/O: 15
Program Memory Size: 2KB (2K x 8)
Program Memory Type: FLASH
Family Name: AT89C2051
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 20-PDIP
Speed(Frequency): 24MHz
Supply Voltage - Operating: 4 V to 6 V
Part Core Size: 8-Bit
Data RAM Size: 128 x 8
Alternative Parts (Cross-Reference): ST52T440I0B6; ST62P63CB3/XXX; ST62T60BB3; ST62T53CB6;
Introduction Date: May 02, 1997
ECCN: EAR99
Country of Origin: Thailand
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 50 pct.
Supply and Demand Status: Limited
8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V
IC MCU 8BIT 2KB FLASH 20DIP
8051 89C Microcontroller IC 8-Bit 24MHz 2KB (2K x 8) FLASH 20-PDIP
2KB 4V~6V 51Series 128Byte 24MHz FLASH 15 DIP-20 Microcontroller Units (MCUs/MPUs/SOCs) ROHS
IC MCU 8BIT 2KB FLASH 20DIP
IC MCU 8BIT 2KB FLASH 20DIP
| ERSAELECTRONICS PTE. LTD. | RS Components, Ltd. | RS Components, Ltd. | DigiKey | Win Source Electronics | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Quarktwin Technology Ltd. | LCSC Electronics Technology (HK) Limited | Shenzhen Shengyu Electronics Technology Limited | ODG (Origin Data Global) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-AT89C2051-24PU | 1276612P | 1276612 | AT89C2051-24PU-ND | 091464-AT89C2051-24PU | AT89C2051-24PU | AT89C2051-24PU | AT89C2051-24PU | AT89C2051-24PU | AT89C2051-24PU | AT89C2051-24PU |
| Product Name | 8-bit 8BIT 2KB Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - AT89C2051-24PU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | Microcontrollers | Single Chip Microcomputer/Microcontroller >> Microcontroller Units (MCUs/MPUs/SOCs) | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 8 Bit | 8 Bit; 8bit | 8 Bit; 8bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit | ||
| Clock Speed | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | |||||
| RAM | 0.1280 KB | 0.1280 KB | 2 KB | 0.1280 KB | 0.1280 KB | 128 KB | 0.1280 KB | ||||
| Supply Voltage | 4 to 6 volts | 4 to 6 volts | 4 to 6 volts | 4 to 6 volts | 6 volts | 4 to 6 volts | |||||
| Serial Interface | UART | UART; USART |