The DS1489/DS1489A are quad line receivers designed to interface data terminal equipment with data communications equipment. They are constructed on a single monolithic silicon chip. These devices satisfy the specifications of EIA Standard RS-232D. The DS1489/DS1489A meet and exceed the specifications of MC1489/MC1489A and are pin-for-pin replacements.
● Four Separate Receivers per Package
● Programmable Threshold
● Built-in Input Threshold Hysteresis
● “Fail Safe” Operating Mode: High Output for Open Inputs
● Inputs Withstand ±30V
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