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DS14C232CM
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DS14C232CM

Product Overview

  • Category: Integrated Circuit
  • Use: Serial Communication Interface
  • Characteristics: High-speed, Dual-channel, RS-232 Transceiver
  • Package: 16-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Provides bidirectional communication between microcontrollers and peripheral devices using the RS-232 protocol.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

  • Supply Voltage: 3.3V to 5V
  • Data Rate: Up to 1 Mbps
  • Number of Channels: 2
  • Operating Temperature Range: -40°C to +85°C
  • Interface: RS-232
  • Package Type: SOIC-16

Detailed Pin Configuration

The DS14C232CM has a total of 16 pins, which are assigned as follows:

  1. VCC - Power Supply
  2. GND - Ground
  3. T1OUT - Channel 1 Transmit Output
  4. R1IN - Channel 1 Receive Input
  5. T1IN - Channel 1 Transmit Input
  6. R1OUT - Channel 1 Receive Output
  7. T2OUT - Channel 2 Transmit Output
  8. R2IN - Channel 2 Receive Input
  9. T2IN - Channel 2 Transmit Input
  10. R2OUT - Channel 2 Receive Output
  11. CTS1 - Channel 1 Clear To Send
  12. RTS1 - Channel 1 Request To Send
  13. DSR1 - Channel 1 Data Set Ready
  14. DCD1 - Channel 1 Data Carrier Detect
  15. RI1 - Channel 1 Ring Indicator
  16. CTS2 - Channel 2 Clear To Send

Functional Features

  • Dual-channel RS-232 transceiver for simultaneous communication with two devices.
  • Supports high-speed data transfer rates up to 1 Mbps.
  • Provides full-duplex communication, allowing simultaneous transmission and reception of data.
  • Integrated protection features against electrostatic discharge (ESD) and excessive voltage levels.
  • Low power consumption in standby mode, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High-speed data transfer capability. - Dual-channel design for increased flexibility. - Integrated protection against ESD and excessive voltage. - Low power consumption in standby mode.

Disadvantages: - Limited to RS-232 interface, not compatible with other communication protocols. - Requires external components for voltage level translation in certain applications.

Working Principles

The DS14C232CM is designed to facilitate serial communication between microcontrollers and peripheral devices using the RS-232 protocol. It converts the logic-level signals from the microcontroller into RS-232 compliant voltage levels for transmission over longer distances. Similarly, it receives RS-232 signals from peripheral devices and converts them back to logic-level signals for the microcontroller to process.

The transceiver incorporates various protection mechanisms to safeguard against ESD and excessive voltage levels, ensuring reliable communication even in harsh environments. It operates at high speeds, enabling efficient data transfer between devices.

Detailed Application Field Plans

The DS14C232CM finds applications in various fields where serial communication is required. Some of the common application areas include:

  1. Industrial Automation: Used for connecting PLCs (Programmable Logic Controllers) with peripheral devices such as sensors, actuators, and HMIs (Human Machine Interfaces).
  2. Telecommunications: Enables communication between networking equipment like routers, switches, and modems.
  3. Medical Devices: Facilitates data exchange between medical instruments and control systems, allowing real-time monitoring and diagnostics.
  4. Consumer Electronics: Used in devices like barcode scanners, POS (Point of Sale) systems, and handheld terminals for data transfer.
  5. Automotive: Enables communication between automotive control units, sensors, and diagnostic tools.

Detailed and Complete Alternative Models

  1. MAX232 - Dual RS-232 Driver/Receiver IC
  2. LTC1480 - Low Power RS-485 Transceiver
  3. ADM3251E - Isolated RS-232 Line Driver/Receiver
  4. SP3232 - 3.3V RS-232 Transceiver with ESD Protection
  5. SN65HVD230 - RS-232 Transceiver with Integrated ESD Protection

These alternative models offer similar functionality to the DS14C232CM and can be considered as alternatives based on specific application requirements.

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技術ソリューションにおける DS14C232CM の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of DS14C232CM in technical solutions:

  1. Q: What is DS14C232CM? A: DS14C232CM is a dual-channel RS-232 driver/receiver integrated circuit (IC) commonly used for serial communication in technical solutions.

  2. Q: What is the maximum data rate supported by DS14C232CM? A: The maximum data rate supported by DS14C232CM is typically 120 kbps.

  3. Q: Can DS14C232CM be used for both transmitting and receiving data? A: Yes, DS14C232CM can be used for both transmitting and receiving data as it is a dual-channel driver/receiver IC.

  4. Q: What voltage levels does DS14C232CM support? A: DS14C232CM supports standard RS-232 voltage levels, which are typically ±5V.

  5. Q: Is DS14C232CM compatible with TTL/CMOS logic levels? A: No, DS14C232CM is not directly compatible with TTL/CMOS logic levels. It requires level shifting or additional interface circuitry.

  6. Q: Can DS14C232CM be powered from a single supply voltage? A: Yes, DS14C232CM can be powered from a single supply voltage ranging from +5V to +15V.

  7. Q: Does DS14C232CM have built-in protection against electrostatic discharge (ESD)? A: Yes, DS14C232CM has built-in ESD protection on all pins, providing robustness against ESD events.

  8. Q: How many external components are required to use DS14C232CM? A: To use DS14C232CM, you typically need a few external components like capacitors, resistors, and a crystal oscillator for clock generation.

  9. Q: Can DS14C232CM be used in industrial applications? A: Yes, DS14C232CM is suitable for industrial applications as it can withstand harsh environments and has wide temperature range support.

  10. Q: Are there any application notes or reference designs available for DS14C232CM? A: Yes, the manufacturer of DS14C232CM provides application notes and reference designs that can help in implementing the IC in various technical solutions.

Please note that the answers provided here are general and may vary depending on specific implementation requirements and datasheet specifications.