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ST72681/R21

ST72681/R21

ST72681/R21

STMicroelectronics

Microcontroller 48 Pin 3.3V TQFP

SOT-23

ST72681/R21 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 111 Weeks
Contact PlatingGold
Mount Surface Mount
Package / Case TQFP
Number of Pins 48
Published 1995
JESD-609 Code e3
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 48
ECCN Code EAR99
Terminal Finish MATTE TIN
Max Operating Temperature70°C
Min Operating Temperature 0°C
HTS Code8542.31.00.01
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 225
Supply Voltage 3.3V
Terminal Pitch0.5mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count48
Qualification StatusNot Qualified
Operating Supply Voltage3.3V
Temperature GradeCOMMERCIAL
Interface USB
Max Supply Voltage3.6V
Min Supply Voltage3V
Number of I/O 8
Memory TypeROMless
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Supply Current-Max 35mA
Bit Size 8
Frequency (Max) 30MHz
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels NO
DAC Channels NO
ROM (words) 0
CPU Family ST72
ROM Programmability MROM
Length 7mm
Height Seated (Max) 1.6mm
RoHS StatusRoHS Compliant
Lead Free Lead Free
In-Stock:2327 items

ST72681/R21 Product Details

ST72681/R21 Overview


This Microcontroller comes in a TQFP package. This Microcontroller has 8 I/Os. The device belongs to MICROCONTROLLER uPs/uCs/Peripheral ICs Type. The MCU has a number of 48 terminals. Microcontroller comes with 8 bit size. The component always operates in 3.3V supply voltage. MCU chip has NO DMA channels. The device works in NO PWM channels. The pin number of the component remains 48. It counts 48 pins. The device is embedded with ST72 CPU family. This equipment features ROMless memory.

ST72681/R21 Features


TQFP package
Microcontrollers subcategory
Minimum temperature of 0°C


ST72681/R21 Applications


There are a lot of STMicroelectronics
ST72681/R21 Microcontroller applications.


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

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