MC1488MELG

Product Overview

• Category: Integrated Circuit
• Use: Signal Line Driver/Receiver
• Characteristics: High-speed, Low-power, TTL Compatible
• Package: SOIC-14
• Essence: The MC1488MELG is a quad line driver/receiver designed for use in digital systems. It provides high-speed signal transmission and reception between devices operating at different voltage levels.
• Packaging/Quantity: The MC1488MELG is available in a small outline integrated circuit (SOIC) package, with 14 pins.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage Range: -0.3V to VCC + 0.3V
• Output Voltage Range: -0.3V to VCC + 0.3V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 20Mbps
• Propagation Delay: 30ns (typical)

Pin Configuration

The MC1488MELG has a total of 14 pins, which are assigned specific functions as follows:

1. A1 - Input/Output for Channel A
2. B1 - Input/Output for Channel B
3. GND - Ground
4. C1 - Input/Output for Channel C
5. D1 - Input/Output for Channel D
6. VCC - Power Supply
7. D2 - Input/Output for Channel D
8. C2 - Input/Output for Channel C
9. GND - Ground
10. B2 - Input/Output for Channel B
11. A2 - Input/Output for Channel A
12. RE - Receiver Enable
13. DE - Driver Enable
14. VCC - Power Supply

Functional Features

• Quad Line Driver/Receiver: The MC1488MELG can handle four independent signal lines simultaneously.
• High-Speed Operation: With a maximum data rate of 20Mbps, it is suitable for high-speed digital systems.
• Low-Power Consumption: The IC is designed to operate with low power requirements, making it energy-efficient.
• TTL Compatible: The MC1488MELG is compatible with TTL logic levels, allowing seamless integration into existing systems.

Advantages and Disadvantages

Advantages

• High-speed signal transmission and reception
• Low-power consumption
• Compact SOIC package
• Compatibility with TTL logic levels

Disadvantages

• Limited to four signal lines
• Requires external enable signals for driver and receiver operation

Working Principles

The MC1488MELG operates as a line driver/receiver by amplifying and conditioning digital signals. It uses internal circuitry to convert the input signals into appropriate voltage levels for transmission or reception. The driver section amplifies the signals to ensure reliable transmission, while the receiver section detects and interprets incoming signals.

Application Field Plans

The MC1488MELG is commonly used in various applications, including:

1. Serial Communication Systems: It enables communication between devices operating at different voltage levels, such as microcontrollers, sensors, and displays.
2. Industrial Automation: The IC facilitates signal transmission and reception in industrial control systems, PLCs, and robotics.
3. Data Acquisition Systems: It is utilized in data acquisition systems to interface with sensors, transducers, and other measurement devices.
4. Telecommunications: The MC1488MELG finds application in telecommunication equipment, such as modems, routers, and switches.

Alternative Models

• MAX1488EESA+: Similar quad line driver/receiver with RS-232 compatibility.
• SN75188N: Quad line driver/receiver with RS-422 compatibility.
• LTC485: Low-power differential line transceiver with extended temperature range.

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