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AT89C51RB2-RLTUM

AT89C51RB2-RLTUM

AT89C51RB2-RLTUM

Microchip Technology

16KB 16K x 8 FLASH 80C51 8-Bit Microcontroller 89C Series AT89C51RB2 44 Pin 60MHz 5V 44-LQFP

SOT-23

AT89C51RB2-RLTUM Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-LQFP
Surface MountYES
Number of Pins 44
Supplier Device Package 44-VQFP (10x10)
Number of Terminals 44
Data Converters --
Package Tray
Base Product Number AT89C51
Mfr Microchip Technology
Product Status Obsolete
Schedule B 8542310000
Number of I/Os 32
RoHS Compliant
Package Shape SQUARE
Manufacturer Microchip Technology Inc
Number of I/O Lines 32
Operating Temperature-40°C~85°C TA
PackagingTray
Series 89C
Published 2004
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Terminal Finish MATTE TIN
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Max Power Dissipation1W
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch0.8mm
Reach Compliance Code compliant
Frequency 60MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number AT89C51RB2
JESD-30 Code S-PQFP-G44
Qualification StatusNot Qualified
Power Supplies3/5 V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 2.7V
Interface SPI, UART, USART
Max Supply Voltage5.5 V
Min Supply Voltage2.7 V
Memory Size16kB
Oscillator TypeExternal
Number of I/O 32
Speed 40 MHz
RAM Size 1.25K x 8
Memory TypeFLASH
Voltage - Supply (Vcc/Vdd) 2.7V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
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
Supply Current-Max 29 mA
Bit Size 8
Watchdog TimerYes
Access Time 60 μs
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1.6 mm
Number of Timers/Counters 3
Address Bus Width16
ROM (words) 16384
Core Architecture 8051
EEPROM Size --
CPU Family 8051
Max Frequency 60 MHz
External Data Bus Width 8
Number of Programmable I/O 32
Number of UART Channels 1
RAM (bytes) 1280
ROM Programmability FLASH
Number of PWM Channels 5
Number of SPI Channels 1
Height 1.55mm
Length 10.1mm
Width 10.1mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:1606 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$5.11000$5.11
25$4.68640$117.16
100$4.24360$424.36

AT89C51RB2-RLTUM Product Details

AT89C51RB2-RLTUM Overview


A 44-LQFP package is included. In total, it has 32 inputs and outputs. This Microcontroller is mounted using the Surface Mount mounting type. Powered by the 8-Bit core, it offers a wide range of capabilities. The type of memory that the program uses is FLASH. The temperature range of this Microcontroller is within the range of -40°C~85°C TA. 89C series components belong to this electrical component. Its program memory size is 16KB 16K x 8. There is a 80C51 Core Processor inside MCU that provides this device with its power. MICROCONTROLLER uPs, uCs, and peripheral ICs make up the Microcontroller. Microcontroller is known that the chip has 44 terminations in total. The part works on a 8-bit basis. An output voltage of 5V volts is available for this Microcontroller chip. The Microcontroller chip has NO DMA channels. 16kB memory size belongs to the part. AT89C51RB2 is the base part number that you can use to find alternatives. A good performance can be achieved at a frequency of 60MHz, as long as it is operated at a low power consumption. In order for the device to work with the motor, it utilizes the PWM channel YES. On the chip, there are 44 pins that are accessible. A total of 3 timers/counters are included in the package. Devices based on the 8051 series of CPUs are embedded in the device. There's built-in FLASH memory in the equipment. It is built on a 8051 core architecture. This 8 Programmable I/O section allows you to program the device in many different ways depending on what you need. The device has 1 UART channels. A total of 5 PWM channels are used by the device.

AT89C51RB2-RLTUM Features


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


AT89C51RB2-RLTUM Applications


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


  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio
  • Entertainment products
  • Digital cameras

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