Microchip Technology, Inc. Microcontrollers AT89C4051-12SU

8051 89C Microcontroller IC 8-Bit 12MHz 4KB (4K x 8) FLASH 20-SOIC

Manufacturer: Atmel
Win Source Part Number: 1148764-AT89C4051-12SU
Family Name: AT89C4051
Manufacturer Homepage: www.atmel.com
Alternative Parts (Cross-Reference): AT89C4051-12SI; AT89C4051-12PU; ; AT89C4051-12SC; AT89C4051-12SX;
Introduction Date: May 02, 1997
ECCN: EAR99
Country of Origin: Taiwan
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 34 pct.
Supply and Demand Status: Balance

IC MCU 8BIT 4KB FLASH 20SOIC Product overview: AT89C4051-12SU 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, 4KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 4KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89C4051-12SU can be used for catalog matching and distributor lookup.