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AT89LP51ED2-20AAU

AT89LP51ED2-20AAU

AT89LP51ED2-20AAU

Microchip Technology

64KB 64K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP51ED2 44 Pin 20MHz 3V 44-LQFP

SOT-23

AT89LP51ED2-20AAU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 8 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-LQFP
Surface MountYES
Number of Pins 44
Supplier Device Package 44-LQFP (10x10)
Number of Terminals 44
Mounting Style SMD/SMT
Interfaces SPI/UART
Data Converters A/D 7x10b
Number of I/Os 36 I/O
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
Interface Type 2-Wire, SPI, UART
Manufacturer Microchip
Brand Microchip Technology / Atmel
RoHS Details
Package Tray
Base Product Number AT89LP51
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 40
Operating Temperature-40°C~85°C TA
PackagingTray
Series 89LP
Published 1997
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Terminal Finish Matte Tin (Sn)
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Terminal Position QUAD
Terminal FormGULL WING
Supply Voltage 3V
Terminal Pitch0.8mm
Reach Compliance Code compliant
Frequency 20MHz
Base Part Number AT89LP51ED2
JESD-30 Code S-PQFP-G44
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies2.5/5V
Temperature GradeINDUSTRIAL
Supply Voltage-Min (Vsup) 2.4V
Interface 2-Wire, EBI/EMI, I2C, SPI, UART, USART
Max Supply Voltage5.5 V
Min Supply Voltage2.4 V
Memory Size64kB
Oscillator TypeInternal
Number of I/O 40
Speed 20MHz
RAM Size 2.25K x 8
Memory TypeFLASH
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 64KB 64K 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 1.6 mm
Number of Timers/Counters 3
Address Bus Width16
Product Type8-bit Microcontrollers - MCU
ROM (words) 65536
Core Architecture 8051
EEPROM Size 4K x 8
CPU Family 8051
Max Frequency 20 MHz
External Data Bus Width 8
Number of Programmable I/O 36
RAM (bytes) 2304
Number of ADC Channels 8 Channel
ROM Programmability FLASH
Product Category8-bit Microcontrollers - MCU
Device Core8051
Length 10mm
Height Seated (Max) 1.6mm
Width 12 mm
Height 1.6 mm
RoHS StatusROHS3 Compliant
In-Stock:1373 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$4.02000$4.02
25$3.67720$91.93
100$3.33720$333.72

AT89LP51ED2-20AAU Product Details

AT89LP51ED2-20AAU Overview


Packaged in a 44-LQFP format. A total of 40 I/Os are on the Microcontroller. Surface Mount is the mounting type of the Microcontroller that is attached to the panel. This Microcontroller is based on a core called 8-Bit. The type of its program memory is FLASH. In this Microcontroller, temperature is controlled within the range -40°C~85°C TA. A 89LP series electrical component is used in this application. This program has a program memory of 64KB 64K x 8 bytes, which is the size of the program. With a 8051 Core Processor, Microcontroller is fast and efficient. ICs for MICROCONTROLLER uPs/uCs/peripheral parts. There are 44 terminations on the IC chip, which means there are 44 terminations on the integrated circuit chip. In addition, MCU chip comes with a 8-bit size. Microcontroller chip has outputs of 3V volts. The system has NO channels for DMA communication. There is 64kB memory size assigned to the part. Alternatives can be found by searching through the base part number AT89LP51ED2 to find them. At a frequency of 20MHz, Microcontroller can operate efficiently. This MCU Chip uses YES PWM channels to operate. Chips have 44 pins. There are 3 timers/counters in this device. The 8051 CPU family is embedded in the device, so it can handle a wide range of operations. The equipment has a FLASH memory that is built in. It is equipped with a 8051 core architecture which is integrated into it. In the 36 Programmable I/O section, it can be programmed in many different ways. It consists of 8 Channel channels in total for the ADC.

AT89LP51ED2-20AAU Features


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


AT89LP51ED2-20AAU Applications


There are a lot of Microchip Technology
AT89LP51ED2-20AAU Microcontroller applications.


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

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