Microchip Technology, Inc. Microcontrollers AT89C2051-12SU

Microcontroller, 8-Bit, FLASH, 8051 CPU, 12MHz, CMOS, PDSO20

8051 89C Microcontroller IC 8-Bit 12MHz 2KB (2K x 8) FLASH 20-SOIC

Manufacturer: Microchip Technology
Win Source Part Number: 079021-AT89C2051-12SU
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-SOIC
Speed(Frequency): 12MHz
Supply Voltage - Operating: 2.7 V to 6 V
Part Core Size: 8-Bit
Data RAM Size: 128 x 8
Alternative Parts (Cross-Reference): W79E8213ASG; N79E822ASG; N79E824ASG; P87LPC768FD,512;
Introduction Date: May 02, 1997
ECCN: EAR99
Country of Origin: China, Taiwan
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 37 pct.
Supply and Demand Status: Limited

IC MCU 8BIT 2KB FLASH 20SOIC Product overview: AT89C2051-12SU 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-AT89C2051-12SU can be used for catalog matching and distributor lookup.