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AT89LP51RC2-20PU

AT89LP51RC2-20PU

AT89LP51RC2-20PU

Microchip Technology

32KB 32K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP51RC2 40 Pin 20MHz 5V 40-DIP (0.600, 15.24mm)

SOT-23

AT89LP51RC2-20PU 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
Instruction Set Architecture CISC
Clock Freq 20(MHz)
Operating Temperature Classification Industrial
Package Type PDIP W
Number of Timers - General Purpose 3
Operating Temp Range -40C to 85C
# I/Os (Max) 40
Interface Type SPI/UART
Total Internal Ram Size 1.375KB(kB)
Device Core Size 8(b)
Operating Supply Voltage (Max) 5.5(V)
Operating Supply Voltage (Typ) 3.3/5(V)
Rad Hardened No
Operating Supply Voltage (Min) 2.4(V)
Programmable Yes
Mounting Through Hole
Package Tube
Base Product Number AT89LP51
Mfr Microchip Technology
Product Status Active
Schedule B 8542310000
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) Not Applicable
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 AT89LP51RC2
Pin Count40
JESD-30 Code R-PDIP-T40
Qualification StatusNot Qualified
Operating Temperature (Max) 85C
Operating Temperature (Min) -40C
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 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 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 4.826 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
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
Device Core8051
Height 4.826mm
Length 52.58mm
Width 13.97mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:4583 items

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AT89LP51RC2-20PU Product Details

AT89LP51RC2-20PU Overview


The package has a 40-DIP (0.600, 15.24mm) shape. With 37 I/Os, it's pretty good. The Microcontroller's mounting type is Through Hole and this IC chip has the following features. As the name implies, this Microcontroller is based on the 8-Bit core. As far as its program memory type is concerned, it is FLASH. Temperatures within -40°C~85°C TA range are measured by this Microcontroller. The 89LP series is comprised of this electrical component. The electronic part has a program memory size of 32KB 32K x 8. There's a 8051 Core Processor inside. The IC chip fits into the MICROCONTROLLER uPs/uCs/Peripheral ICs category. There are 40 terminations on the IC chip. 8-bits are the size of the data that comes with MCU. A 5V volt supply is provided by the Microcontroller chip. In addition to that, MCU chip has NO DMA channels. Its memory size is 32kB. It is possible to find alternatives to the base part number AT89LP51RC2 by using the part number search tool. An effective performance can be achieved at a frequency of 20MHz. There are a total of YES channels in the device. It is possible to access the 40 pins on the chip. In total, it has 3 timers and counters in it. A total of 40 pins are included in the package. There are several CPUs that are embedded in the device, including the the 8051 CPU. The equipment on this page features FLASH, ROM memory technology. This device features a 8051 core architecture. As far as the programmability is concerned, it has 40 Programmable I/Os. As far as UART channels are concerned, it has 1. The ADC channels on this device total 7 in number. A total of 7 PWM channels are being used by the device. The part has been designed to incorporate 1 I2C channels.

AT89LP51RC2-20PU Features


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


AT89LP51RC2-20PU Applications


There are a lot of Microchip Technology
AT89LP51RC2-20PU Microcontroller applications.


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

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