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

The image is for reference only, please refer to product details and specifications

View all Microcontrollers
Bulk discount available

Subtotal (1 unit)*

HK$58.60

Add to Basket
Select or type quantity
In Stock
  • 3 unit(s) ready to ship from another location
  • Plus 138 unit(s) shipping from 30 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 9HK$58.60
10 - 24HK$57.40
25 +HK$56.20

*price indicative

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

Interface Type

SPI

Program Memory Size

16kB

Maximum Clock Frequency

32MHz

RAM Size

1.28kB

Maximum Supply Voltage

5.5V

Minimum Operating Temperature

-40°C

Maximum Power Dissipation Pd

800mW

Number of Programmable I/Os

18

Analogue Comparators

2

Maximum Operating Temperature

85°C

Width

14.73 mm

Height

4.95mm

Standards/Approvals

No

Length

53.21mm

Minimum Supply Voltage

1.8V

Instruction Set Architecture

CISC

Automotive Standard

No

ADCs

0 bit

Program Memory Type

FLASH

Number of Timers

1

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