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SN75C189ADBR
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SN75C189ADBR

Product Overview

Category

The SN75C189ADBR belongs to the category of integrated circuits (ICs) and specifically falls under the family of RS-232 Interface ICs.

Use

This product is commonly used for serial communication in various electronic devices, such as computers, modems, and industrial control systems.

Characteristics

  • Package: SSOP (Shrink Small Outline Package)
  • Essence: RS-232 Transceiver
  • Packaging/Quantity: Tape & Reel (2500 units per reel)

Specifications

The SN75C189ADBR features the following specifications: - Operating Voltage: 4.5V to 5.5V - Data Rate: Up to 1Mbps - Number of Drivers/Receivers: 1/1 - Operating Temperature Range: -40°C to 85°C - Compliance: EIA/TIA-232-F

Detailed Pin Configuration

The pin configuration of SN75C189ADBR is as follows:

| Pin Name | Description | |----------|-------------| | VCC | Power Supply | | GND | Ground | | TxD | Transmit Data| | RxD | Receive Data | | ... | ... |

Functional Features

The key functional features of SN75C189ADBR include: - Single-Chip RS-232 Transceiver - Low-Power Shutdown Mode - Integrated Charge Pump - ESD Protection

Advantages and Disadvantages

Advantages

  • High Data Rate Capability
  • Low Power Consumption
  • Integrated ESD Protection

Disadvantages

  • Limited Operating Voltage Range
  • Requires External Capacitors for Charge Pump

Working Principles

The SN75C189ADBR operates by converting TTL/CMOS level signals into RS-232 compatible voltage levels for serial communication. It utilizes a charge pump to generate the required voltage levels and provides ESD protection to safeguard against electrostatic discharge.

Detailed Application Field Plans

The SN75C189ADBR is widely used in applications requiring reliable serial communication, including: - Computer Peripherals - Industrial Automation Systems - Telecommunication Equipment - Test and Measurement Instruments

Detailed and Complete Alternative Models

Some alternative models to SN75C189ADBR include: - MAX3232EIPWR - ADM3202ARUZ - SP3232EEN-L/TR

In conclusion, the SN75C189ADBR is a versatile RS-232 transceiver with high data rate capability and integrated protection features, making it suitable for a wide range of serial communication applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN75C189ADBR dalam penyelesaian teknikal

  1. What is the operating voltage range of SN75C189ADBR?

    • The operating voltage range of SN75C189ADBR is 4.5V to 5.5V.

  2. What is the maximum data rate supported by SN75C189ADBR?

    • SN75C189ADBR supports a maximum data rate of 20 Mbps.

  3. Can SN75C189ADBR be used for RS-485 communication?

    • Yes, SN75C189ADBR is suitable for RS-485 communication applications.

  4. What is the typical quiescent current of SN75C189ADBR?

    • The typical quiescent current of SN75C189ADBR is 120 µA.

  5. Does SN75C189ADBR have built-in ESD protection?

    • Yes, SN75C189ADBR features built-in ESD protection up to ±15 kV.

  6. Is SN75C189ADBR compatible with industrial temperature ranges?

    • Yes, SN75C189ADBR is designed to operate within industrial temperature ranges (-40°C to 85°C).

  7. What is the package type of SN75C189ADBR?

    • SN75C189ADBR is available in a small-outline SOIC (D) package.

  8. Can SN75C189ADBR be used in half-duplex communication systems?

    • Yes, SN75C189ADBR is suitable for half-duplex communication systems.

  9. Does SN75C189ADBR require external termination resistors?

    • Yes, SN75C189ADBR requires external termination resistors for proper operation.

  10. Is SN75C189ADBR RoHS compliant?

    • Yes, SN75C189ADBR is RoHS compliant, making it suitable for environmentally conscious designs.