ON Semiconductor MC1489MELG Overview

The MC1489MELG from ON Semiconductor is a robust integrated circuit designed for use in serial communication applications. This device is a monolithic quadruple line receiver conforming to the specifications of EIA-232D and MIL-STD-188-114A standards. It is tailored to interface data terminal equipment with data communication equipment.

Key Features

• Multiple Receivers: The device includes four independent receivers on a single chip, making it a compact and efficient solution for serial data communication.
• High Input Impedance: The MC1489MELG features a high input impedance, which minimizes the loading effect on the data bus.
• Input Threshold Control: It provides an adjustable threshold level, ensuring flexibility and improved noise immunity in various operating environments.
• Wide Supply Voltage Range: This line receiver operates over a wide range of supply voltages, from 4.5V to 7V, accommodating diverse system requirements.
• Output Short-Circuit Protection: The outputs are designed to withstand a short circuit to ground, even in the case of excessive power supply conditions, enhancing the device's reliability.
• Operating Temperature Range: The MC1489MELG is designed to operate over a temperature range of 0°C to +70°C, making it suitable for commercial-grade applications.

Applications

With its robust design, the MC1489MELG is ideal for a variety of applications that require reliable data communication. It is commonly used in:

• Telecommunications systems
• Data acquisition systems
• Computer serial ports
• Modem interfaces

Quality and Reliability

ON Semiconductor is known for its commitment to quality, and the MC1489MELG is no exception. It is manufactured to meet high-quality standards, ensuring consistent performance and reliability for critical communication systems.

Package and Availability

The MC1489MELG comes in a 14-pin PDIP (Plastic Dual-In-Line Package), which is widely used and easily integrated into various circuit boards. Check with authorized distributors for availability and bulk ordering options.

In summary, the MC1489MELG from ON Semiconductor is a versatile and reliable line receiver that offers a combination of performance, integration, and quality, making it an excellent choice for serial communication interfaces.