The MC1489P, manufactured by STMicroelectronics, is a monolithic quadruple line receiver designed to interface data terminal equipment with data communications equipment. This integrated circuit is constructed with Schottky barrier diode process for high speed and is specifically created to satisfy the stringent requirements of EIA-232-E and CCITT V.28 standards.

Key Features

• Compatibility: Fully compatible with industry standards EIA-232-E and CCITT V.28.
• Quad Receivers: Contains four independent line receivers in one package, each capable of converting EIA-232-E levels to TTL levels.
• Supply Voltage: Operates from a single 5V power supply, making it convenient for use in typical digital systems.
• High Speed: Schottky technology ensures fast response times, suitable for high-speed data communication.
• Input Hysteresis: Built-in hysteresis at each input reduces the effects of input line noise, enhancing data integrity.

Applications

The MC1489P is ideal for a range of applications where reliable data reception is crucial. This includes:

• Serial data communication in computers and peripherals.
• Modem interfaces for high-speed data transfer.
• Industrial control systems requiring robust signal reception.
• Telecommunication systems.

Product Specifications

Parameter Value Number of Receivers 4 Supply Voltage (V<sub>CC) 5V Operating Temperature Range 0°C to +70°C Package Type DIP-14 (Dual In-line Package)

Overall, the MC1489P from STMicroelectronics is a reliable and efficient solution for systems that require multiple EIA-232-E line receivers. Its Schottky construction and integrated features make it a solid choice for designers looking to maintain signal integrity in challenging environments.