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MC1489MEL Specifications
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TypeParameter
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Supplier Device PackageSOEIAJ-14
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Package / Case14-SOIC (0.209", 5.30mm Width)
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Mounting TypeSurface Mount
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Operating Temperature0°C ~ 75°C
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Voltage - Supply4.5V ~ 5.5V
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Data Rate-
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Receiver Hysteresis250 mV
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Duplex-
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Number of Drivers/Receivers0/4
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ProtocolRS232
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TypeReceiver
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PackagingBulk
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PackagingTape & Reel (TR)
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Product StatusObsolete
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Series-
The MC1489MEL is a quad line receiver integrated circuit chip. It is designed to convert RS-232 signals into TTL/CMOS logic levels, making it suitable for various applications. Here are some advantages and application scenarios of the MC1489MEL:Advantages: 1. Versatility: The MC1489MEL can handle four separate RS-232 inputs, making it suitable for applications that require multiple serial communication channels. 2. Signal Conversion: It converts RS-232 signals, which use voltage levels ranging from -15V to +15V, into TTL/CMOS logic levels (0V to 5V or 0V to 3.3V). This allows interfacing with microcontrollers, digital logic circuits, and other devices that operate at TTL/CMOS levels. 3. Noise Immunity: The chip incorporates Schmitt trigger inputs, which provide hysteresis and improve noise immunity, ensuring reliable signal reception even in noisy environments. 4. Wide Operating Voltage Range: The MC1489MEL can operate with a wide supply voltage range, typically from 4.5V to 5.5V, allowing compatibility with various power supply configurations.Application Scenarios: 1. Serial Communication Interfaces: The MC1489MEL can be used in applications that require RS-232 to TTL/CMOS signal conversion, such as connecting a microcontroller or a digital device to a computer or a serial device. 2. Industrial Automation: It can be employed in industrial automation systems where RS-232 communication is used for data exchange between different devices or modules. 3. Data Acquisition Systems: The chip can be utilized in data acquisition systems that require converting RS-232 signals from sensors or measurement devices into TTL/CMOS levels for further processing or analysis. 4. Embedded Systems: The MC1489MEL can be integrated into embedded systems that need to communicate with RS-232 devices, such as barcode scanners, modems, or GPS receivers.Overall, the MC1489MEL offers signal conversion, noise immunity, and versatility, making it suitable for various applications involving RS-232 to TTL/CMOS level conversion.
MC1489MEL Relevant information
