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AT89C52-20QC

AT89C52-20QC

AT89C52-20QC

Atmel (Microchip Technology)

Microcontroller 5V PQFP

SOT-23

AT89C52-20QC Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case PQFP
Surface MountYES
JESD-609 Code e0
Number of Terminations 44
Terminal Finish Tin/Lead (Sn/Pb)
Max Operating Temperature70°C
Min Operating Temperature 0°C
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) NOT SPECIFIED
Supply Voltage 5V
Terminal Pitch0.8mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count44
Qualification StatusNot Qualified
Power Supplies5V
Temperature GradeCOMMERCIAL
Max Supply Voltage6V
Min Supply Voltage4V
Memory Size8kB
Number of I/O 32
RAM Size 256B
Memory TypeFLASH
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Bit Size 8
Frequency (Max) 20MHz
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels NO
DAC Channels NO
Number of Timers/Counters 3
Address Bus Width16
ROM (words) 8192
Core Architecture 8051
Number of Programmable I/O 32
RAM (bytes) 256
Length 10mm
Height Seated (Max) 2.45mm
RoHS StatusNon-RoHS Compliant
In-Stock:2644 items

AT89C52-20QC Product Details

AT89C52-20QC Overview


Packaged in a PQFP format, this MCU is available in a compact size. There are 32 I/Os on the Microcontroller. This is a MICROCONTROLLER uPs/uCs/Peripheral IC. During the manufacturing process, 44 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. 8kB memory size belongs to the Chip part. There are NO PWM channels on the device. The clock has 3 timers/counters to keep track of the time. 44 pins are counted on this board. There is a FLASH memory feature on this equipment. With 8051 core architecture, it offers high performance. A total of 32 programmable I/Os are available on this board.

AT89C52-20QC Features


PQFP package
Microcontrollers subcategory
Minimum temperature of 0°C


AT89C52-20QC Applications


There are a lot of Atmel (Microchip Technology)
AT89C52-20QC Microcontroller applications.


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

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