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AT89LP51RD2-20AAU

Name: Microchip AT89LP51RD2-20AAU
Brand: Microchip Technology
SKU: 556-AT89LP51RD220AAU
Price: 4.39 EUR
Availability: InStock

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Mouser No:

556-AT89LP51RD220AAU

Mfr. No:

AT89LP51RD2-20AAU

Mfr.:

Microchip Technology

Description:

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

View in Development Tools Selector

Datasheet:

AT89LP51RD2-20AAU Datasheet (PDF)

ECAD Model:

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More Information

Learn more about Microchip Technology AT89LP51RD2-20AAU

In Stock: 160

Stock:: 160

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On Order:: 160

Expected 4/16/2026
Factory Lead Time:: 13

Weeks Estimated factory production time for quantities greater than shown.

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Ext. Price:

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Pricing (EUR)

Qty.	Unit Price	Ext. Price
	4,39 €	4,39 €
	4,03 €	100,75 €
	3,66 €	366,00 €

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Product Attribute	Attribute Value	Select Attribute
Manufacturer:	Microchip
Product Category:	8-bit Microcontrollers - MCU
RoHS:
Core:	8051
Program Memory Size:	64 kB
Data RAM Size:	256 B
Package/Case:	LQFP-44
Maximum Clock Frequency:	20 MHz
ADC Resolution:	10 bit
Number of I/Os:	40 I/O
Supply Voltage - Min:	2.4 V
Supply Voltage - Max:	5.5 V
Mounting Style:	SMD/SMT
Data Bus Width:	8 bit
Minimum Operating Temperature:	- 40 C
Maximum Operating Temperature:	+ 85 C
Packaging:	Tray
Brand:	Microchip Technology
Country of Assembly:	Not Available
Country of Diffusion:	US
Country of Origin:	TW
Data RAM Type:	SRAM
Interface Type:	I2C, SPI, UART
Moisture Sensitive:	Yes
Number of ADC Channels:	7 Channel
Number of Timers/Counters:	3 Timer
Processor Series:	AT89LP51RD2
Product:	MCUs
Product Type:	8-bit Microcontrollers - MCU
Program Memory Type:	Flash
Factory Pack Quantity:	160
Subcategory:	Microcontrollers - MCU
Watchdog Timers:	Watchdog Timer
Unit Weight:	1,300 g

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TARIC:: 8542319000
CNHTS:: 8542319090
CAHTS:: 8542310000
USHTS:: 8542310015
JPHTS:: 854231032
KRHTS:: 8542311000
MXHTS:: 8542310302
ECCN:: EAR99

AT89LP51 & AT89LP52 8-Bit Microcontrollers

Microchip Technology AT89LP51 and AT89LP52 8-Bit Microcontrollers are low-power, high-performance CMOS MCUs with 4K/8K bytes of In-System Programmable Flash program memory and 256 bytes of Flash data memory. These devices also offer 256 bytes of RAM, up to 36 I/O lines, three 16-bit timer/counters, a programmable watchdog timer, a full-duplex serial port, an on-chip crystal oscillator, an internal 1.8432 MHz auxiliary oscillator, and a four-level, six-vector interrupt system.