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AT89C51RB2-RLRUL

AT89C51RB2-RLRUL

AT89C51RB2-RLRUL

Microchip Technology

16KB 16K x 8 FLASH 80C51 8-Bit Microcontroller 89C Series AT89C51RB2 44 Pin 40MHz 44-LQFP

SOT-23

AT89C51RB2-RLRUL Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 16 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-LQFP
Number of Pins 44
Supplier Device Package 44-VQFP (10x10)
Data Converters --
Number of I/Os 32
RoHS Compliant
Package Tape & Reel (TR);Cut Tape (CT);Digi-Reel®;
Base Product Number AT89C51
Mfr Microchip Technology
Product Status Obsolete
Operating Temperature-40°C~85°C TA
PackagingCut Tape (CT)
Series 89C
Published 2006
Part StatusDiscontinued
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Frequency 40MHz
Base Part Number AT89C51RB2
Interface SPI, UART, USART
Max Supply Voltage5.5V
Min Supply Voltage2.7V
Memory Size16kB
Oscillator TypeExternal
Number of I/O 32
Speed 40MHz
RAM Size 1.25K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 2.7V~3.6V
Core Processor 80C51
Peripherals POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 16KB 16K x 8
Connectivity SPI, UART/USART
Access Time 60 μs
Data Bus Width 8b
Number of Timers/Counters 3
Core Architecture 8051
EEPROM Size --
Max Frequency 60MHz
Number of Programmable I/O 32
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:3344 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$2.69000$2.69

AT89C51RB2-RLRUL Product Details

AT89C51RB2-RLRUL Overview


44-LQFP-packages are available. There are 32 I/O ports on this device. Device mounting type Surface Mount is the type of mounting that the Microcontroller uses. There is a 8-Bit core at the core of this MCU. There is a type of program memory called FLASH in the Microcontroller. There is a temperature range of -40°C~85°C TA for this Microcontroller. An electrical component of this type belongs to the 89C series. This program memory has a size of 16KB 16K x 8, which indicates what the size of the program memory is. 80C51 Core processors are used in MCU. The part has a memory size of 16kB. The base part number AT89C51RB2 provides alternatives. This device is extremely efficient when operated at a frequency of 40MHz. In this chip, 44 pins can be accessed. Using the timer/counter system, it has 3 timers/counters. There is FLASH memory in this equipment. As a result of its 8051 core architecture, it can be used in many applications. This device has 32 programmable input and output channels.

AT89C51RB2-RLRUL Features


44-LQFP package
Mounting type of Surface Mount
Minimum temperature of -40°C


AT89C51RB2-RLRUL Applications


There are a lot of Microchip Technology
AT89C51RB2-RLRUL Microcontroller applications.


  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio

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