Overview
The ST232EBDR is a 2-driver, 2-receiver RS-232 transceiver designed by STMicroelectronics for use in harsh environments. This device is part of the ST202EB, ST202EC, ST232EB, and ST232EC family, which are all optimized for RS-232 and V.28 communications. Each transmitter output and receiver input is protected against ±15 kV electrostatic discharge (ESD) shocks, ensuring robust performance in challenging conditions. The ST232EBDR operates from a single 5 V power supply and meets all EIA/TIA-232E and CCITT V.28 specifications at data rates up to 230 kbps.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.5 to 5.5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Data Rate | Up to 230 | kbps |
| ESD Protection | ±15 kV | Human Body Model |
| Slew Rate Range | 3 to 30 | V/µs |
| Package Type | SO-16 | |
| Capacitor Values | Four 1 µF capacitors | |
| Propagation Delay Time | Up to 10 µs |
Key Features
- ESD protection for RS-232 I/O pins: ±15 kV human body model.
- Guaranteed data rate up to 230 kbps.
- Guaranteed slew rate range of 3 to 30 V/µs.
- Operates from a single 5 V power supply.
- Two drivers and two receivers for RS-232 and V.28 communications.
- Available in SO-16 and TSSOP-16L packages.
Applications
The ST232EBDR is suitable for various applications requiring robust RS-232 communication in harsh environments, such as:
- Industrial automation and control systems.
- Medical devices that require reliable serial communication.
- Aerospace and defense systems where ESD protection is critical.
- Automotive systems that need reliable serial communication under varying conditions.
- Any system requiring high-speed serial communication with enhanced ESD protection.
Q & A
- What is the primary function of the ST232EBDR?
The ST232EBDR is a 2-driver, 2-receiver RS-232 transceiver designed for RS-232 and V.28 communications in harsh environments.
- What level of ESD protection does the ST232EBDR offer?
The ST232EBDR offers ±15 kV ESD protection for RS-232 I/O pins.
- What is the maximum data rate supported by the ST232EBDR?
The ST232EBDR supports data rates up to 230 kbps.
- What is the operating voltage range of the ST232EBDR?
The ST232EBDR operates from a single 5 V power supply, with a range of 4.5 to 5.5 V.
- What types of packages are available for the ST232EBDR?
The ST232EBDR is available in SO-16 and TSSOP-16L packages.
- What is the operating temperature range of the ST232EBDR?
The operating temperature range of the ST232EBDR is -40 to 85 °C.
- How many capacitors are required for the ST232EBDR, and what are their values?
The ST232EBDR requires four 1 µF capacitors.
- What are the typical applications of the ST232EBDR?
The ST232EBDR is used in industrial automation, medical devices, aerospace, automotive systems, and any system requiring high-speed serial communication with enhanced ESD protection.
- What are the key specifications for the propagation delay time of the ST232EBDR?
The propagation delay time for the ST232EBDR can be up to 10 µs.
- Is the ST232EBDR RoHS compliant?
