Microchip Technology, Inc. Microcontrollers AT89C51RB2-SLSIL

80C51 89C Microcontroller IC 8-Bit 40MHz 16KB (16K x 8) FLASH 44-PLCC (16.6x16.6)

Manufacturer: Microchip Technology
Win Source Part Number: 911986-AT89C51RB2-SLSIL
Series: 89C
Operating Temperature Range: -40°C ~ 85°C (TA)
Features: 80C51 series Microcontroller IC 8-Bit 40MHz 16KB (16K x 8) FLASH 44-PLCC (16.6x16.6)
Core Processor: 80C51
Speed: 40MHz
Package: 44-LCC (J-Lead)
Package: Tube
Mounting: Surface Mount
Core Size: 8-Bit
Connectivity: SPI, UART/USART
Peripherals: POR, PWM, WDT
Number of I/O: 32
Program Memory Size: 16KB (16K x 8)
Program Memory Type: FLASH
Oscillator Type: External
Supply Voltage: 2.7V ~ 3.6V
Part Status: Obsolete
Family Name: AT89C51RB2
Categories: Integrated Circuits (ICs)
Case / Package: 44-PLCC (16.6x16.6)
ECCN: 3A991A2
Popularity: High
Fake Threat In the Open Market: 63 pct.
Supply and Demand Status: Balance
Quantity per package: 27
MSL Level: 2 (1 Year)
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001

IC MCU 8BIT 16KB FLASH 44PLCC Product overview: AT89C51RB2-SLSIL 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, 16KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 16KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89C51RB2-SLSIL can be used for catalog matching and distributor lookup.