MPN

Microchip AT89C51RB2-3CSUM, 8 bit 8051, AT89C51RB2 Microcontroller, 32 MHz, 16kB FLASH, 40-Pin PDIL

RS Stock No.:: 127-6623
Mfr. Part No.:: AT89C51RB2-3CSUM
Brand:: Microchip

Microchip AT89C51RB2-3CSUM, 8 bit 8051, AT89C51RB2 Microcontroller, 32 MHz, 16kB FLASH, 40-Pin PDIL

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Subtotal (1 unit)*

$12.57

(exc. GST)

$13.83

(inc. GST)

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Temporarily out of stock

118 unit(s) shipping from 04 June 2026

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Units	Per unit
1 - 9	$12.57
10 - 24	$12.31
25 +	$11.75

*price indicative

RS Stock No.:: 127-6623
Mfr. Part No.:: AT89C51RB2-3CSUM
Brand:: Microchip

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Microchip
	Series	AT89C51RB2
	Product Type	Microcontroller
	Package Type	PDIL
	Mount Type	Surface
	Pin Count	40
	Device Core	8051
	Data Bus Width	8bit
	Program Memory Size	16kB
	Interface Type	SPI
	Maximum Clock Frequency	32MHz
	RAM Size	1.28kB
	Maximum Supply Voltage	5.5V
	Maximum Power Dissipation Pd	800mW
	Minimum Operating Temperature	-40°C
	Analogue Comparators	2
	Number of Programmable I/Os	18
	Maximum Operating Temperature	85°C
	Height	4.95mm
	Length	53.21mm
	Standards/Approvals	No
	Minimum Supply Voltage	1.8V
	Automotive Standard	No
	ADCs	0 bit
	Program Memory Type	FLASH
	Instruction Set Architecture	CISC

	Select all
	Brand Microchip
	Series AT89C51RB2
	Product Type Microcontroller
	Package Type PDIL
	Mount Type Surface
	Pin Count 40
	Device Core 8051
	Data Bus Width 8bit
	Program Memory Size 16kB
	Interface Type SPI
	Maximum Clock Frequency 32MHz
	RAM Size 1.28kB
	Maximum Supply Voltage 5.5V
	Maximum Power Dissipation Pd 800mW
	Minimum Operating Temperature -40°C
	Analogue Comparators 2
	Number of Programmable I/Os 18
	Maximum Operating Temperature 85°C
	Height 4.95mm
	Length 53.21mm
	Standards/Approvals No
	Minimum Supply Voltage 1.8V
	Automotive Standard No
	ADCs 0 bit
	Program Memory Type FLASH
	Instruction Set Architecture CISC

8051 Architecture Flash ISP (In-System Programmable) Microcontrollers, Atmel

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