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AT89LP51-20PU

AT89LP51-20PU

AT89LP51-20PU

Microchip Technology

4KB 4K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP51 40 Pin 20MHz 5V 40-DIP (0.600, 15.24mm)

SOT-23

AT89LP51-20PU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 4 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact PlatingTin
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
Mounting Style Through Hole
Interfaces UART
Data Converters --
MSL MSL 3 - 168 hours
Qualification -
Number of I/Os 36 I/O
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
Interface Type UART
Manufacturer Microchip
Brand Microchip Technology / Atmel
RoHS Details
Package Tube
Base Product Number AT89LP51
Mfr Microchip Technology
Product Status Active
Package Shape RECTANGULAR
Number of I/O Lines 36
Operating Temperature-40°C~85°C TA
PackagingTube
Series 89LP
Published 2012
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 40
Terminal Finish Matte Tin (Sn) - annealed
Max Operating Temperature85 °C
Min Operating Temperature -40 °C
Additional FeatureOPERATES AT 2.4 V MINIMUM SUPPLY AT 20 MHZ
Terminal Position DUAL
Terminal FormTHROUGH-HOLE
Supply Voltage 5V
Terminal Pitch2.54mm
Reach Compliance Code compliant
Frequency 20MHz
Base Part Number AT89LP51
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) 4.5V
Interface EBI/EMI, I2C, SPI, UART, USART
Max Supply Voltage5.5 V
Min Supply Voltage2.4 V
Memory Size4kB
Oscillator TypeInternal
Number of I/O 36
Speed 20MHz
RAM Size 256 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 4KB 4K x 8
Connectivity EBI/EMI, I2C, SPI, UART/USART
Supply Current-Max 7 mA
Bit Size 8
Watchdog TimerYes
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels NO
DAC Channels NO
Seated Height-Max 6.35 mm
Number of Timers/Counters 3
Address Bus Width16
Product Type8-bit Microcontrollers - MCU
ROM (words) 4096
Core Architecture 8051
EEPROM Size --
CPU Family 8051
Max Frequency 20 MHz
External Data Bus Width 8
Number of Programmable I/O 36
RAM (bytes) 256
ROM Programmability FLASH
Product Category8-bit Microcontrollers - MCU
Device Core80C51
Length 51.75mm
Width 15.24 mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:1976 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$2.04000$2.04
25$1.87480$46.87
100$1.69950$169.95

AT89LP51-20PU Product Details

AT89LP51-20PU Overview


Packaged in a 40-DIP (0.600, 15.24mm) format, this MCU is available in a compact size. There are 36 I/Os on the Microcontroller. It is important to note that the Microcontroller has a Through Hole mounting type. 8-Bit core is the basis for this Microcontroller. This program has a type of memory called FLASH for this MCU's program memory. Temperatures in this range are operated by this Microcontroller. The 89LP series includes this electrical component. There is 4KB 4K x 8 bytes of program memory in MCU, which corresponds to the size of the program. With a 8051 Core processor, MCU is equipped with the latest technology available. This is a MICROCONTROLLER uPs/uCs/Peripheral IC. During the manufacturing process, 40 terminations were applied to the IC chip. 8-bits are used in Microcontroller. The MCU chip's supply output is 5V volts. Currently, MCU chip has NO DMA channels. 4kB memory size belongs to the Chip part. Alternatives can be found by looking at the base part number AT89LP51. In the case of 20MHz frequency operation, it can perform efficiently. There are NO PWM channels on the device. The chip has 40 pins. The clock has 3 timers/counters to keep track of the time. This device is embedded with a 8051 processor family, which is a powerful and efficient CPU. There is a FLASH memory feature on this equipment. With 8051 core architecture, it offers high performance. A total of 36 programmable I/Os are available on this board. As a few examples, there are additional features like OPERATES AT 2.4 V MINIMUM SUPPLY AT 20 MHZ that are available in the software.

AT89LP51-20PU Features


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


AT89LP51-20PU Applications


There are a lot of Microchip Technology
AT89LP51-20PU Microcontroller applications.


  • Equipment control
  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights

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