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ST62T40B from ST,ST Microelectronics

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ST62T40B

Manufacturer: ST, STM

8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER

Partnumber Manufacturer Quantity Availability
ST62T40B ST, STM 443 In Stock

Description and Introduction

8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER The ST62T40B is a microcontroller manufactured by STMicroelectronics (STM). Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Core:** 8-bit ST6 core  
- **Operating Voltage:** 3.0V to 6.0V  
- **Clock Speed:** Up to 8 MHz  
- **Program Memory (ROM):** 4 KB  
- **RAM:** 192 bytes  
- **EEPROM:** 128 bytes  
- **I/O Ports:** Up to 21 programmable I/O pins  
- **Timers:** 8-bit timer with 7-bit prescaler  
- **ADC:** 8-bit, 4-channel ADC  
- **Communication Interfaces:** None (basic UART may be implemented via software)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** DIP20, SO20  

### **Descriptions:**  
The ST62T40B is a cost-effective 8-bit microcontroller from STMicroelectronics designed for embedded control applications. It features an on-chip oscillator, watchdog timer, and low-voltage reset, making it suitable for automotive, industrial, and consumer applications.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **On-Chip Oscillator:** RC oscillator with optional external crystal.  
- **Watchdog Timer:** Improves system reliability.  
- **Interrupt Handling:** Multiple interrupt sources with priority levels.  
- **Low-Voltage Reset (LVR):** Ensures stable operation under varying supply conditions.  
- **Development Support:** Supported by ST’s development tools and programmers.  

This microcontroller is commonly used in simple control systems, sensors, and small automation tasks.  

(Note: Always refer to the official STMicroelectronics datasheet for the most accurate and updated information.)

Application Scenarios & Design Considerations

8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER

Alternative Part Number

  • PIC16F877A-I/P --: Widely available 8-bit microcontroller with comparable I/O and memory resources; well-supported and easy to source as a functional replacement in many ST62T40B applications.
  • AT89C51-24PU --: Classic 8051-core 8-bit MCU with similar pin count and peripheral set; often used as a drop-in substitute in legacy designs where the ST62T40B is obsolete.
  • PIC16F887-I/P --: Modern 8-bit MCU with comparable GPIO, timers, and ADC; good long-term availability and low cost for replacing the discontinued ST62T40B.
  • PIC16F628A --: Widely available 8-bit microcontroller with similar I/O and memory class, easy migration path and strong long-term supply.
  • AT89C4051 --: 8051-core 8-bit MCU with comparable pin count and peripherals, suitable drop-in functional replacement for legacy designs.
  • HT68F40 --: Low-cost 8-bit OTP/flash MCU with similar I/O and timer resources, often used as a replacement for older ST6-series parts.

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