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AT89LP51IC2-20AU

AT89LP51IC2-20AU

AT89LP51IC2-20AU

Microchip Technology

32KB 32K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP51IC2 44 Pin 20MHz 5V 44-TQFP

SOT-23

AT89LP51IC2-20AU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 10 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Surface MountYES
Number of Pins 44
Supplier Device Package 44-TQFP (10x10)
Number of Terminals 44
Data Converters A/D 7x10b
Number of I/Os 40
RoHS Compliant
Package Tray
Base Product Number AT89LP51
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Manufacturer Microchip Technology Inc
Number of I/O Lines 40
Operating Temperature-40°C~85°C TA
PackagingTray
Series 89LP
Published 1997
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Terminal Position QUAD
Terminal FormGULL WING
Supply Voltage 5V
Terminal Pitch0.8mm
Reach Compliance Code compliant
Frequency 20MHz
Base Part Number AT89LP51IC2
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 EBI/EMI, I2C, SPI, UART, USART
Max Supply Voltage5.5 V
Min Supply Voltage2.4 V
Memory Size32kB
Oscillator TypeInternal
Number of I/O 40
Speed 20MHz
RAM Size 1.375K 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 32KB 32K 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 1.2 mm
Number of Timers/Counters 3
Address Bus Width16
ROM (words) 32768
Core Architecture 8051
EEPROM Size --
CPU Family 8051
Max Frequency 20 MHz
External Data Bus Width 8
Number of Programmable I/O 40
RAM (bytes) 1408
ROM Programmability FLASH
Length 10mm
Height Seated (Max) 1.2mm
Width 10 mm
RoHS StatusROHS3 Compliant
In-Stock:1723 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.64000$1.64
25$1.50000$37.5
100$1.36000$136

AT89LP51IC2-20AU Product Details

AT89LP51IC2-20AU Overview


A 44-TQFP package is included. In total, it has 40 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. 89LP series components belong to this electrical component. Its program memory size is 32KB 32K x 8. There is a 8051 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. 32kB memory size belongs to the part. AT89LP51IC2 is the base part number that you can use to find alternatives. A good performance can be achieved at a frequency of 20MHz, 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.

AT89LP51IC2-20AU Features


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


AT89LP51IC2-20AU Applications


There are a lot of Microchip Technology
AT89LP51IC2-20AU 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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