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ST72F321AR9T3

ST72F321AR9T3

ST72F321AR9T3

STMicroelectronics

Microcontroller 64 Pin 4V LQFP

SOT-23

ST72F321AR9T3 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case LQFP
Surface MountYES
Number of Pins 64
JESD-609 Code e4
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 64
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature125°C
Min Operating Temperature -40°C
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 4V
Terminal Pitch0.5mm
Time@Peak Reflow Temperature-Max (s) 30
Pin Count64
Operating Supply Voltage5V
Temperature GradeAUTOMOTIVE
Interface I2C, SCI, SPI
Memory Size60kB
Power Dissipation-Max 500mW
Number of I/O 48
RAM Size 2kB
Memory TypeFLASH
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Supply Current-Max 15mA
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
ROM (words) 61440
On Chip Program ROM Width 8
Number of Programmable I/O 48
Length 10mm
Height Seated (Max) 1.6mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
In-Stock:2111 items

ST72F321AR9T3 Product Details

ST72F321AR9T3 Overview


LQFP-packages are available. There are 48 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 64 terminations on MCU chip. You get a 8-bit size. This Microcontroller chip is powered by 4V 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, 64 pins can be accessed. Using the timer/counter system, it has 2 timers/counters. It has 64 pins in total. There is FLASH memory in this equipment. This device has 48 programmable input and output channels.

ST72F321AR9T3 Features


LQFP package
Microcontrollers subcategory
Minimum temperature of -40°C


ST72F321AR9T3 Applications


There are a lot of STMicroelectronics
ST72F321AR9T3 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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