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AT89LP51RB2-20PU

AT89LP51RB2-20PU

AT89LP51RB2-20PU

Microchip Technology

24KB 24K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP51RB2 40 Pin 20MHz 5V 40-DIP (0.600, 15.24mm)

SOT-23

AT89LP51RB2-20PU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 10 Weeks
Mount Through Hole
Mounting Type Through Hole
Package / Case 40-DIP (0.600, 15.24mm)
Surface MountNO
Number of Pins 40
Supplier Device Package 40-PDIP
Number of Terminals 40
Data Converters A/D 7x10b
Package Tube
Base Product Number AT89LP51
Mfr Microchip Technology
Product Status Active
Number of I/Os 37
RoHS Compliant
Package Shape RECTANGULAR
Manufacturer Microchip Technology Inc
Number of I/O Lines 36
Operating Temperature-40°C~85°C TA
PackagingTube
Series 89LP
Published 1997
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 40
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Terminal Position DUAL
Terminal FormTHROUGH-HOLE
Supply Voltage 5V
Terminal Pitch2.54mm
Reach Compliance Code compliant
Frequency 20MHz
Base Part Number AT89LP51RB2
JESD-30 Code R-PDIP-T40
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies2.5/5V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 2.4V
Interface EBI/EMI, I2C, SPI, UART, USART
Max Supply Voltage5.5 V
Min Supply Voltage2.4 V
Memory Size24kB
Oscillator TypeInternal
Number of I/O 37
Speed 20MHz
RAM Size 1.375K x 8
Memory TypeFLASH, ROM
Voltage - Supply (Vcc/Vdd) 2.4V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 24KB 24K x 8
Connectivity EBI/EMI, I2C, SPI, UART/USART
Supply Current-Max 7 mA
Bit Size 8
Data Converter A/D 7x10b
Watchdog TimerYes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels YES
Seated Height-Max 4.826 mm
Number of Timers/Counters 3
Address Bus Width16
ROM (words) 24576
Core Architecture 8051
EEPROM Size --
CPU Family 8051
Max Frequency 20 MHz
External Data Bus Width 8
Number of Programmable I/O 40
Number of UART Channels 1
RAM (bytes) 1408
Number of ADC Channels 7
ROM Programmability FLASH
Number of PWM Channels 7
Number of I2C Channels 1
Number of SPI Channels 1
Height 4.826mm
Length 52.58mm
Width 13.97mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:3222 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$2.246267$2.246267
10$2.119120$21.1912
100$1.999170$199.917
500$1.886009$943.0045
1000$1.779254$1779.254

AT89LP51RB2-20PU Product Details

AT89LP51RB2-20PU Overview


There is a 40-DIP (0.600, 15.24mm) package available. The board has 37 I/Os. Using the Mounting Type Through Hole, the MCU is mounted on PCB. A 8-Bit core is used in order to power the IC chip. The type of memory it uses for its program is FLASH. -40°C~85°C TA is the temperature range at which this Microcontroller operates. 89LP-series components are electrical components. In the case of this Microcontroller, the memory size of the program is 24KB 24K x 8. Powered by a 8051 Core processor. Microcontroller's a MICROCONTROLLER uPs/uCs/Peripheral IC. IC Chip terminations are 40. As a result, this Microcontroller comes with a 8-bit size. Input voltage for the chip is 5V volts. A total of NO DMA channels are available. This IC part has a memory size of 24kB. There are a number of alternatives to the base part number AT89LP51RB2 that you can find. Performing well when operated at frequency 20MHz can be achieved. Using YES PWM channels, the device works. On the chip, there are 40 pins that can be accessed. It comes with 3 timers/counters that can be set up. The device is powered by the the 8051 CPU family that is embedded in it. FLASH, ROM memory is one of the features of this equipment. The CPU is based on 8051 cores. There are 40 Programmable I/Os on this computer. In addition, it has 8 UART channels to choose from. The device has a total of 7 ADC channels in total. There are 7 PWM channels used by the device in total. A total of 1 I2C channels have been integrated into the part.

AT89LP51RB2-20PU Features


40-DIP (0.600, 15.24mm) package
Mounting type of Through Hole
Minimum temperature of -40 °C


AT89LP51RB2-20PU Applications


There are a lot of Microchip Technology
AT89LP51RB2-20PU Microcontroller applications.


  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine

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