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ST72F321J9TAS

ST72F321J9TAS

ST72F321J9TAS

STMicroelectronics

Microcontroller 44 Pin 5V LQFP

SOT-23

ST72F321J9TAS Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case LQFP
Surface MountYES
Number of Pins 44
Number of Terminations 44
Max Operating Temperature85°C
Min Operating Temperature -40°C
Technology CMOS
Terminal Position QUAD
Terminal FormGULL WING
Supply Voltage 5V
Terminal Pitch0.8mm
Pin Count44
Operating Supply Voltage5V
Temperature GradeINDUSTRIAL
Interface I2C, SCI, SPI
Memory Size60kB
Power Dissipation-Max 500mW
Number of I/O 32
RAM Size 2kB
Memory TypeFLASH
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Bit Size 8
Frequency (Max) 8MHz
Watchdog TimerYes
Has ADC YES
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Number of Timers/Counters 2
Number of Programmable I/O 48
Length 10mm
Height Seated (Max) 1.6mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
In-Stock:1690 items

ST72F321J9TAS Product Details

ST72F321J9TAS Overview


LQFP-packages are available. There are 32 I/O ports on this device. Devices of this type belong to the MICROCONTROLLER power supply/socket/peripheral ICs category. This chip has a total of 44 terminations on MCU chip. You get a 8-bit size. This Microcontroller chip is powered by 5V volts. There are NO DMA channels on this Microcontroller chip. The part has a memory size of 60kB. Using the PWM channel YES, the device works with the motor. In this chip, 44 pins can be accessed. Using the timer/counter system, it has 2 timers/counters. It has 44 pins in total. There is FLASH memory in this equipment. This device has 48 programmable input and output channels.

ST72F321J9TAS Features


LQFP package
Minimum temperature of -40°C


ST72F321J9TAS Applications


There are a lot of STMicroelectronics
ST72F321J9TAS Microcontroller applications.


  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances
  • Home video and audio

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