8-bit CISC microcontroller featuring an 8051 core, operating at up to 20 MHz. This surface-mount device offers 24KB of Flash program memory and 1.375KB of RAM. It includes 40 programmable I/Os, three timers, and SPI/UART interfaces. The component is housed in a 44-pin VQFN EP package with an exposed pad, measuring 7x7x0.88mm, and operates from 3.3V to 5.5V across a -40°C to 85°C temperature range.
PackageVQFN EP
MountingSurface Mount
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Technical Specifications
Microchip AT89LP51RB2-20MU technical specifications.
General
Basic Package Type
Non-Lead-Frame SMT
Package Family Name
QFN
Package/Case
VQFN EP
Package Description
Very Thin Quad Flat No Lead Package, Exposed Pad
Lead Shape
No Lead
Pin Count
44
PCB
44
Package Length (mm)
7
Package Width (mm)
7
Package Height (mm)
0.88
Seated Plane Height (mm)
0.9
Pin Pitch (mm)
0.5
Package Material
Plastic
Mounting
Surface Mount
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
24KB
RAM Size
1.375KB
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 AT89LP51RB2-20MU Datasheet
Download the complete datasheet for Microchip AT89LP51RB2-20MU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.