Interface circuit (relay and lamp driver) Here is the factual information about part **TDE3247FPT** from the manufacturer **STM (STMicroelectronics)**:
### **Specifications:**
- **Manufacturer:** STMicroelectronics (STM)
- **Part Number:** TDE3247FPT
- **Type:** Dual Line Driver/Receiver
- **Technology:** CMOS
- **Operating Voltage:** 4.5V to 5.5V
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** TSSOP-20
- **Data Rate:** Up to 20Mbps
- **Number of Drivers/Receivers:** 3 Drivers, 3 Receivers
- **ESD Protection:** Yes (HBM: ≥15kV)
- **Features:**
- Low power consumption
- High-speed data transmission
- Tri-state outputs
- Short-circuit protection
### **Descriptions:**
The **TDE3247FPT** is a dual line driver/receiver IC designed for high-speed data communication applications. It is compatible with RS-422 and RS-485 standards, making it suitable for industrial and networking environments. The device integrates three drivers and three receivers, providing bidirectional communication capability.
### **Features:**
- **High-Speed Operation:** Supports data rates up to 20Mbps.
- **Wide Supply Range:** Operates from 4.5V to 5.5V.
- **Robust ESD Protection:** Protects against electrostatic discharge (≥15kV HBM).
- **Thermal Shutdown:** Prevents damage from excessive heat.
- **Tri-State Outputs:** Allows multiple devices to share a bus.
- **Low Power Consumption:** Optimized for energy-efficient applications.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official STMicroelectronics datasheet.
