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ST72F345C4T6 from ST/PBF,ST Microelectronics

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ST72F345C4T6

Manufacturer: ST/PBF, ST

8-bit MCU

Partnumber Manufacturer Quantity Availability
ST72F345C4T6 ST/PBF, ST 155 In Stock

Description and Introduction

8-bit MCU The ST72F345C4T6 is a microcontroller from STMicroelectronics. Here are its key specifications, descriptions, and features:

### **Manufacturer:** STMicroelectronics  
### **Family:** ST7  
### **Core:** 8-bit ST7 core  
### **Operating Frequency:** Up to 8 MHz  
### **Flash Memory:** 8 KB  
### **RAM:** 384 bytes  
### **EEPROM:** 128 bytes  
### **I/O Ports:** Up to 32 I/O pins  
### **Timers:**  
   - One 16-bit timer with 2 channels (PWM, input capture, output compare)  
   - One 8-bit timer with prescaler  
### **ADC:** 10-bit, 8-channel ADC  
### **Communication Interfaces:**  
   - SPI (Serial Peripheral Interface)  
   - I²C (Inter-Integrated Circuit)  
   - UART (Universal Asynchronous Receiver-Transmitter)  
### **Operating Voltage:** 3.0V to 5.5V  
### **Operating Temperature Range:** -40°C to +85°C  
### **Package:** LQFP-32  

### **Features:**  
- Low-power modes (Wait, Halt)  
- Watchdog timer  
- On-chip oscillator  
- Robust reset and clock control  
- Industrial-grade reliability  

This microcontroller is designed for embedded applications requiring moderate processing power and peripheral integration.

Application Scenarios & Design Considerations

8-bit MCU

Alternative Part Number

  • STM8S105K4T6 --: STM8S series 8-bit MCU in the same LQFP-32 package with comparable Flash, RAM and peripheral set; a natural migration path from the ST72F series.
  • STM8S005K6T6C --: Pin-compatible STM8S 8-bit MCU in LQFP-32 with similar I/O count and peripherals, offering a newer core and better availability.
  • MC9S08QG8CDTE --: Alternative 8-bit MCU from another vendor in a comparable small package with similar Flash/RAM and peripheral mix, suitable for redesigns avoiding ST72F sourcing issues.
  • PIC16F877A-I/PT --: General-purpose 8-bit MCU in a 44-pin TQFP with comparable Flash, RAM, timers and serial interfaces; a viable cross-vendor alternative if redesign is acceptable.

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