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

This image is representative of the product range

View all Microcontrollers
Bulk discount available

Subtotal (1 unit)*

MYR35.19

Add to Basket
Select or type quantity
In Stock
  • Plus 3 unit(s) shipping from 05 January 2026
  • Plus 138 unit(s) shipping from 12 January 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per Unit
1 - 24MYR35.19
25 - 99MYR34.13
100 +MYR33.10

*price indicative

Packaging Options:
RS Stock No.:
127-6623
Mfr. Part No.:
AT89C51RB2-3CSUM
Manufacturer:
Microchip
Find similar products by selecting one or more attributes.
Select all

Brand

Microchip

Product Type

Microcontroller

Series

AT89C51RB2

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

Analogue Comparators

2

Minimum Operating Temperature

-40°C

Number of Programmable I/Os

18

Maximum Operating Temperature

85°C

Standards/Approvals

No

Length

53.21mm

Width

14.73 mm

Height

4.95mm

Minimum Supply Voltage

1.8V

Number of Timers

1

Program Memory Type

FLASH

Instruction Set Architecture

CISC

Automotive Standard

No

ADCs

0 bit

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


Atmel offers Flash 8051 microcontrollers featuring In-System Programming (ISP) that they can be programmed with the appropriate software, either in parallel or in serial mode.

8051 Architecture Microcontrollers


Atmel's 8-bit microcontrollers (MCUs) based on the 8051 instruction set, combine proven technology with the latest features and functionality, with all featuring advanced flash memory.

Device Family


Single Cycle Core

Flash ISP (In-System Programmable)

Flash (Reprogrammable)

CAN Networking MCUs

USB MCUs

ROMless

Related links