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SN65C3238EDWR
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SN65C3238EDWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Serial Communication Interface
  • Characteristics: High-speed, Low-power, RS-232 Transceiver
  • Package: SOIC-28 (Small Outline Integrated Circuit), Tape and Reel
  • Essence: Transmits and Receives Serial Data between Microcontrollers and Peripherals
  • Packaging/Quantity: 2500 units per reel

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Data Rate: Up to 1 Mbps
  • Operating Temperature Range: -40°C to +85°C
  • Number of Channels: 3
  • Receiver Hysteresis: ±30mV
  • ESD Protection: ±15kV (Human Body Model)

Detailed Pin Configuration

The SN65C3238EDWR has a total of 28 pins. The pin configuration is as follows:

  1. VCC
  2. GND
  3. T1OUT
  4. R1IN
  5. R1OUT
  6. T1IN
  7. R2OUT
  8. T2IN
  9. T2OUT
  10. R2IN
  11. R3OUT
  12. T3IN
  13. T3OUT
  14. R3IN
  15. DE
  16. RE
  17. CTS
  18. RTS
  19. DCD
  20. DSR
  21. DTR
  22. RI
  23. VCC
  24. GND
  25. NC
  26. NC
  27. NC
  28. NC

Functional Features

  • Supports Full-Duplex Communication
  • Provides RS-232 Voltage Levels for Compatibility with Legacy Systems
  • Low Power Consumption in Standby Mode
  • Automatic Sleep Mode for Power Saving
  • Built-in ESD Protection for Robustness

Advantages and Disadvantages

Advantages: - High-speed data transmission - Low power consumption - Wide supply voltage range - Built-in ESD protection

Disadvantages: - Limited number of channels (3) - Requires external components for complete functionality

Working Principles

The SN65C3238EDWR is a high-speed RS-232 transceiver that enables serial communication between microcontrollers and peripherals. It operates by converting the logic level signals from the microcontroller into RS-232 voltage levels suitable for long-distance transmission. The transceiver consists of three channels, allowing simultaneous communication with multiple peripherals. It supports full-duplex communication, enabling data transmission in both directions simultaneously.

Detailed Application Field Plans

The SN65C3238EDWR is commonly used in various applications, including:

  1. Industrial Automation: Enables communication between PLCs (Programmable Logic Controllers) and peripheral devices such as sensors, actuators, and HMIs (Human Machine Interfaces).
  2. Telecommunications: Facilitates serial communication between network equipment, such as routers, switches, and modems.
  3. Medical Devices: Connects microcontrollers in medical equipment to external devices for data exchange and control.
  4. Consumer Electronics: Used in devices like set-top boxes, gaming consoles, and home automation systems for communication with peripherals.

Detailed and Complete Alternative Models

  1. MAX3232EIPWR: Similar RS-232 transceiver with 3 channels, low-power operation, and wide supply voltage range.
  2. SP3232EEN-L/TR: RS-232 transceiver with 2 channels, low-power consumption, and enhanced ESD protection.
  3. ADM3202ARNZ: Dual-channel RS-232 transceiver with low power consumption and extended temperature range.

These alternative models offer similar functionality and can be considered as substitutes for the SN65C3238EDWR in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN65C3238EDWR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN65C3238EDWR in technical solutions:

  1. Q: What is SN65C3238EDWR? A: SN65C3238EDWR is a high-speed, low-power RS-232 transceiver IC used for serial communication in various technical applications.

  2. Q: What is the operating voltage range of SN65C3238EDWR? A: The operating voltage range of SN65C3238EDWR is typically between 3.0V and 5.5V.

  3. Q: What is the maximum data rate supported by SN65C3238EDWR? A: SN65C3238EDWR supports a maximum data rate of 1 Mbps.

  4. Q: Can SN65C3238EDWR be used for both full-duplex and half-duplex communication? A: Yes, SN65C3238EDWR can be used for both full-duplex and half-duplex communication modes.

  5. Q: Does SN65C3238EDWR have built-in ESD protection? A: Yes, SN65C3238EDWR has built-in ESD protection up to ±15 kV (Human Body Model).

  6. Q: What is the typical power consumption of SN65C3238EDWR? A: The typical power consumption of SN65C3238EDWR is around 7 mW.

  7. Q: Can SN65C3238EDWR be used in industrial environments? A: Yes, SN65C3238EDWR is designed to operate reliably in industrial environments with extended temperature ranges.

  8. Q: Does SN65C3238EDWR support automatic flow control? A: Yes, SN65C3238EDWR supports automatic flow control using the RTS/CTS signals.

  9. Q: Can SN65C3238EDWR be used with microcontrollers and other digital devices? A: Yes, SN65C3238EDWR is compatible with various microcontrollers and digital devices that support RS-232 communication.

  10. Q: Are there any evaluation boards or reference designs available for SN65C3238EDWR? A: Yes, Texas Instruments provides evaluation boards and reference designs to help users quickly prototype and integrate SN65C3238EDWR into their applications.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.