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DS1489N(MC1489P) Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
DS1489N(MC1489P)NS1151Yes

DS1489N (also known as MC1489P) is a quad line receiver manufactured by National Semiconductor (NS).

The DS1489N (also known as MC1489P) is a quad line receiver manufactured by National Semiconductor (NS).

Specifications:

  • Type: Quad Line Receiver
  • Supply Voltage: ±5V to ±12V
  • Operating Temperature Range: 0°C to +70°C
  • Input Threshold: Adjustable via external resistor
  • Input Impedance: Typically 4kΩ to 7kΩ
  • Output Type: TTL-Compatible
  • Propagation Delay: Typically 30ns
  • Package: 14-Pin DIP (Dual Inline Package)

Descriptions:

The DS1489N/MC1489P is designed for interfacing between RS-232 (EIA-232) serial communication lines and TTL logic circuits. It converts bipolar RS-232 signal levels to TTL-compatible outputs. Each of the four receivers features an adjustable threshold for noise immunity and hysteresis for improved signal integrity.

Features:

  • Four independent line receivers
  • Adjustable input threshold for noise rejection
  • TTL-compatible outputs
  • Wide operating voltage range (±5V to ±12V)
  • High input impedance
  • Designed for RS-232 communication systems

This part is commonly used in serial communication interfaces, modems, and other data transmission applications.

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