ON Semiconductor
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MC1488M
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MC1488M

Product Overview

Category: Integrated Circuit (IC)

Use: The MC1488M is a quad line driver designed for use in digital data transmission systems. It is commonly used to convert TTL/CMOS logic levels to RS-232 voltage levels.

Characteristics: - Quad line driver - Converts TTL/CMOS logic levels to RS-232 voltage levels - High-speed operation - Low power consumption

Package: The MC1488M is available in a small outline package (SOIC) with 14 pins.

Essence: The essence of the MC1488M lies in its ability to facilitate the conversion of digital signals between different voltage levels, enabling communication between devices operating at different logic levels.

Packaging/Quantity: The MC1488M is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Input Logic Levels: TTL/CMOS compatible
  • Output Voltage Levels: RS-232 compatible
  • Maximum Data Rate: 20 kbps

Pin Configuration

The MC1488M has a total of 14 pins arranged as follows:

  1. VCC - Power supply voltage input
  2. GND - Ground reference
  3. A1 - Input/output pin 1
  4. B1 - Input/output pin 2
  5. Y1 - Output pin 1
  6. Z1 - Output pin 2
  7. A2 - Input/output pin 3
  8. B2 - Input/output pin 4
  9. Y2 - Output pin 3
  10. Z2 - Output pin 4
  11. A3 - Input/output pin 5
  12. B3 - Input/output pin 6
  13. Y3 - Output pin 5
  14. Z3 - Output pin 6

Functional Features

  • Quad line driver with TTL/CMOS to RS-232 conversion capability
  • High-speed operation allows for efficient data transmission
  • Low power consumption ensures energy efficiency
  • Wide supply voltage range enables compatibility with various systems
  • Robust design provides reliable performance in different environments

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different logic levels - Compact package size saves board space - High-speed operation facilitates fast data transmission - Low power consumption reduces energy usage

Disadvantages: - Limited maximum data rate of 20 kbps - Requires additional components for complete RS-232 interface implementation

Working Principles

The MC1488M works by receiving TTL/CMOS logic level inputs and converting them into RS-232 voltage levels suitable for transmission over longer distances. It utilizes internal circuitry to amplify and shape the input signals, ensuring proper signal integrity during transmission.

Application Field Plans

The MC1488M finds applications in various fields where digital data transmission is required. Some potential application areas include: - Industrial automation systems - Telecommunications equipment - Computer peripherals - Embedded systems

Alternative Models

For those seeking alternatives to the MC1488M, several other quad line drivers with similar functionality are available in the market. Some notable alternatives include: - MAX232 - SN75188 - LTC1488

These alternative models offer comparable features and can be considered based on specific requirements and availability.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MC1488M i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MC1488M in technical solutions:

  1. Q: What is MC1488M? A: MC1488M is a quad line driver IC used for converting TTL/CMOS logic levels to RS-232 voltage levels.

  2. Q: What are the typical applications of MC1488M? A: MC1488M is commonly used in serial communication interfaces, such as RS-232 ports, to enable communication between microcontrollers and other devices.

  3. Q: How many channels does MC1488M have? A: MC1488M has four independent channels, allowing it to drive up to four separate RS-232 lines.

  4. Q: What is the operating voltage range of MC1488M? A: MC1488M operates within a voltage range of 4.5V to 5.5V.

  5. Q: Can MC1488M be used with both TTL and CMOS logic levels? A: Yes, MC1488M is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

  6. Q: Does MC1488M require external components for operation? A: Yes, MC1488M requires external capacitors and resistors for proper operation, as specified in its datasheet.

  7. Q: What is the maximum data rate supported by MC1488M? A: MC1488M can support data rates up to 120 kbps, depending on the specific application and conditions.

  8. Q: Can MC1488M handle full-duplex communication? A: No, MC1488M is a line driver and does not provide full-duplex functionality. It only converts logic levels in one direction.

  9. Q: Is MC1488M suitable for long-distance communication? A: MC1488M is not specifically designed for long-distance communication, but it can be used for short to moderate distances with proper signal conditioning and noise considerations.

  10. Q: Are there any alternatives to MC1488M for RS-232 level conversion? A: Yes, there are other ICs available in the market, such as MAX232, SP232, and ADM3202, which can also perform RS-232 level conversion.

Please note that these answers are general and may vary depending on specific application requirements and conditions. It's always recommended to refer to the datasheet and consult technical experts for accurate information.