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ST72T121J2B6

ST72T121J2B6

ST72T121J2B6

STMicroelectronics

1.778mm 5V 8-bit Microprocessor 5V PDIP

SOT-23

ST72T121J2B6 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case PDIP
Surface MountNO
JESD-609 Code e0
Number of Terminations 42
Terminal Finish TIN LEAD
Max Operating Temperature85°C
Min Operating Temperature -40°C
Subcategory Microcontrollers
Technology HCMOS
Terminal Position DUAL
Terminal FormTHROUGH-HOLE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Supply Voltage 5V
Terminal Pitch1.778mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count42
Qualification StatusNot Qualified
Power Supplies5V
Temperature GradeINDUSTRIAL
Interface SCI, SPI
Max Supply Voltage5.5V
Min Supply Voltage3.5V
Memory Size8kB
Number of I/O 32
RAM Size 512B
Memory TypeEPROM, OTP
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Bit Size 8
Frequency (Max) 8MHz
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Number of Timers/Counters 2
Number of Programmable I/O 32
RAM (bytes) 384
ROM Programmability OTPROM
Length 36.83mm
Height Seated (Max) 5.08mm
RoHS StatusRoHS Compliant
In-Stock:2015 items

ST72T121J2B6 Product Details

ST72T121J2B6 Overview


The embedded microprocessor ships overseas conveniently packed in PDIP. There is MICROCONTROLLER MICROCONTROLLER in the uPs, uCs, or peripheral ICs categories. A total of 42 terminations have been recorded. Turn on the cpu microprocessor and let it run with a 5V voltage supply. There are 8 bits in its architecture. As a Microcontrollers, this cpu microprocessor is typical. Data transfer has 8b bandwidths. Temperatures above 85°C should not allow the embedded microprocessor to operate. Injecting pins into the embedded microprocessor body results in 42 pins. Ideally, the CPU will operate at 8MHz MHz. It is specified in the datasheet that this micro processor requires 5V power supplies. It is designed to have RAM (Random-Access Memory) of 512B. A voltage higher than 5.5V shouldn't be used in a normal situation. It is recommended that the lowest voltage be fed to the micro processor is 3.5V. CPU programs transfer data via 32 I/Os. Its memory size is 8kB. The 2 counters help determine how busy the CPU is. 32 programmable I/Os are available for I/O transfer.

ST72T121J2B6 Features


8-Bit Structure
8b-Bit Data Bus Width
512B RAM
32 I/Os


ST72T121J2B6 Applications


There are a lot of STMicroelectronics
ST72T121J2B6 Microprocessor applications.


  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine

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