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ST72T631K4B1 from ST,ST Microelectronics

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ST72T631K4B1

Manufacturer: ST

8-BIT MICROCONTROLLER (MCU) FOR LOW SPEED USB WITH UP TO 16K MEMORY,UP TO 512 BYTES RAM, ADC, WDG, TIMER, SCI & I2C, SDIP32-SO34

Partnumber Manufacturer Quantity Availability
ST72T631K4B1 ST 47 In Stock

Description and Introduction

8-BIT MICROCONTROLLER (MCU) FOR LOW SPEED USB WITH UP TO 16K MEMORY,UP TO 512 BYTES RAM, ADC, WDG, TIMER, SCI & I2C, SDIP32-SO34 The ST72T631K4B1 is a microcontroller manufactured by STMicroelectronics. Below are the factual details about this part:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Core:** ST7 8-bit microcontroller  
- **Operating Frequency:** Up to 8 MHz  
- **Program Memory (Flash):** 8 KB  
- **RAM:** 384 bytes  
- **EEPROM:** 128 bytes  
- **I/O Ports:** Up to 32 programmable I/O pins  
- **Timers:**  
  - 16-bit timer with 2 input captures, 2 output compares, and PWM  
  - 8-bit timer with prescaler  
- **Analog-to-Digital Converter (ADC):** 8-channel, 10-bit resolution  
- **Communication Interfaces:**  
  - SPI (Serial Peripheral Interface)  
  - SCI (Serial Communication Interface)  
- **Operating Voltage:** 3.0V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** LQFP32 (32-pin Low-profile Quad Flat Package)  

### **Descriptions and Features:**  
- **Low Power Consumption:** Designed for power-sensitive applications.  
- **Robust Peripherals:** Includes timers, ADC, and communication interfaces for embedded control.  
- **On-Chip Debug Support:** Facilitates development and testing.  
- **Industrial-Grade Reliability:** Suitable for automotive and industrial applications.  

This microcontroller is commonly used in automotive, industrial, and consumer electronics applications.  

(Note: Always refer to the latest datasheet from STMicroelectronics for updated specifications.)

Application Scenarios & Design Considerations

8-BIT MICROCONTROLLER (MCU) FOR LOW SPEED USB WITH UP TO 16K MEMORY,UP TO 512 BYTES RAM, ADC, WDG, TIMER, SCI & I2C, SDIP32-SO34

Alternative Part Number

  • STM8S003K3T6C --: Modern ST 8-bit MCU in LQFP32 with similar pin count and peripherals; widely available and a common migration path from older ST7 devices.
  • PIC16F886-I/SP --: Popular 8-bit MCU with comparable I/O and memory resources; strong long-term availability and extensive toolchain support as a cross-vendor alternative.
  • ATmega328P-AU --: Well-established 8-bit MCU in TQFP32 with similar I/O capability and broad ecosystem support, suitable when redesigning away from the ST7 family.
  • ST72631K4B1 --: Same ST7 8-bit MCU family with comparable core, memory and package, offering a close functional drop-in replacement.
  • ST72F631K4B1 --: Flash-based variant of the same ST7 631 series with matching pinout and peripherals, suitable when flash memory is acceptable.
  • ST7FLITE39F2M6 --: Alternative ST7 8-bit microcontroller with similar I/O and memory resources, usable for designs needing a comparable low-cost MCU.

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