Integrated Circuits (ICs)

AT89LP51-20JU

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Microchip Technology

SINGLE-CYCLE 8051, 4K ISP FLASH 44 PLCC 16.6X16.6X4.4MM TUBE ROHS COMPLIANT: YES

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DocumentsDatasheet Product Change Notice EN

Integrated Circuits (ICs)

AT89LP51-20JU

Active

Microchip Technology

SINGLE-CYCLE 8051, 4K ISP FLASH 44 PLCC 16.6X16.6X4.4MM TUBE ROHS COMPLIANT: YES

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DocumentsDatasheet Product Change Notice EN

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	AT89LP51-20JU

Connectivity	EBI/EMI, UART/USART, I2C, SPI
Core Processor	8051
Core Size	8-Bit
Mounting Type	Surface Mount
Number of I/O	36
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Package / Case	44-LCC (J-Lead)
Program Memory Size	4 KB
Program Memory Type	FLASH
RAM Size	256 x 8
Speed	20 MHz
Supplier Device Package	44-PLCC (16.6x16.6)
Voltage - Supply (Vcc/Vdd) [Max]	5.5 V
Voltage - Supply (Vcc/Vdd) [Min]	2.4 V

AT89LP51ED2 Series

Part	Connectivity	Speed	Core Size	Mounting Type	Program Memory Size	Number of I/O	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Oscillator Type	Core Processor	Package / Case	Data Converters	Program Memory Type	Supplier Device Package	RAM Size	EEPROM Size	RAM Size
Microchip Technology AT89LP51RB2-20JU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	24 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-LCC (J-Lead)	7 10 b	FLASH	44-PLCC (16.6x16.6)
Microchip Technology AT89LP51RB2-20AU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	24 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-TQFP	7 10 b	FLASH	44-TQFP (10x10)
Microchip Technology AT89LP51ED2-20JU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	64 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-LCC (J-Lead)	7 10 b	FLASH	44-PLCC (16.6x16.6)	2.25 K	4K x 8
Microchip Technology AT89LP51ID2-20MU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	64 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-VFQFN Exposed Pad	7 10 b	FLASH	44-VQFN (7x7)	2.25 K	4K x 8
Microchip Technology AT89LP51IC2-20AU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	32 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-TQFP	7 10 b	FLASH	44-TQFP (10x10)
Microchip Technology AT89LP51RB2-20AAU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	24 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-LQFP	7 10 b	FLASH	44-LQFP (10x10)
Microchip Technology AT89LP51ED2-20AU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	64 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-TQFP	7 10 b	FLASH	44-TQFP (10x10)	2.25 K	4K x 8
Microchip Technology AT89LP51-20MU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	4 KB	36	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-VFQFN Exposed Pad		FLASH	44-VQFN (7x7)			256 x 8
Microchip Technology AT89LP51ID2-20AU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	64 KB	40	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-TQFP	7 10 b	FLASH	44-TQFP (10x10)	2.25 K	4K x 8
Microchip Technology AT89LP51-20JU	EBI/EMI I2C SPI UART/USART	20 MHz	8-Bit	Surface Mount	4 KB	36	2.4 V	5.5 V	85 °C	-40 °C	Internal	8051	44-LCC (J-Lead)		FLASH	44-PLCC (16.6x16.6)			256 x 8

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	86	$ 3.53
	Tube	1	$ 3.46
Newark	Each	100	$ 2.97

Description

General part information

AT89LP51ED2 Series

Single-cycle microcontroller with 64KB ISP flash and 12-clock compatibility mode. It includes 4KB EEPROM data memory, 2304 bytes RAM, 2KB ROM with UART-based Bootloader, PWM, UART, TWI, SPI, PCA, up to 42 I/Os, 10-bit A/D, dual Analog Comparators, an internal 8 MHz RC oscillator, and on-chip debug. The TWI and On-Chip Debug features are not available on 40-pin PDIP package.