8-bit CISC microcontroller featuring an 8051 core and 20 MHz clock speed. This integrated circuit offers 64KB of Flash program memory and 2.25KB of RAM. Designed for through-hole mounting, it comes in a 40-pin PDIP Wide Body plastic package with a 2.79mm pin pitch. Supports SPI and UART interfaces, with 8 ADC channels and 3 timers. Operates across a wide temperature range of -40°C to 85°C with supply voltages from 2.5V to 5.5V.
PackagePDIP W
MountingThrough Hole
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Technical Specifications
Microchip AT89LP51RD2-20PU technical specifications.
General
Basic Package Type
Through Hole
Package Family Name
DIP
Package/Case
PDIP W
Package Description
Plastic Dual In Line Package Wide Body
Lead Shape
Through Hole
Pin Count
40
PCB
40
Package Length (mm)
52.6(Max)
Package Width (mm)
14.4(Max)
Package Height (mm)
3.94(Max)
Seated Plane Height (mm)
5.59(Max)
Pin Pitch (mm)
2.79(Max)
Package Material
Plastic
Mounting
Through Hole
Family Name
AT89
Data Bus Width
8bit
Instruction Set Architecture
CISC
Maximum Clock Rate
20MHz
Maximum CPU Frequency
20MHz
Device Core
8051
Program Memory Type
Flash
Program Memory Size
64KB
RAM Size
2.25KB
Number of Programmable I/Os
40
Core Architecture
8051
Programmability
Yes
Number of Timers
3
Interface Type
SPI/UART
CAN
0
I2C
0
SPI
1
Ethernet
0
UART
1
USART
0
USB
0
I2S
0
Max Operating Supply Voltage
5.5V
Min Operating Temperature
-40°C
Max Operating Temperature
85°C
ADC Channels
8
Number of ADCs
Single
Compliance
Cage Code
60991
EU RoHS
Yes
HTS Code
8542310001
Schedule B
8542310000
ECCN
EAR99
Automotive
No
AEC Qualified
No
PPAP
No
RoHS Versions
2011/65/EU, 2015/863
Datasheet
Microchip AT89LP51RD2-20PU Datasheet
Download the complete datasheet for Microchip AT89LP51RD2-20PU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.