DS1489/DS1489A
Quad Line Receiver
General Description
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.
Features
n Four separate receivers per package
n Programmable threshold
n Built-in input threshold hysteresis
n “Fail safe” operating mode: high output for open inputs
n Inputs withstand ±30V
Click here to download National Semiconductor pdf datasheets DS1489/DS1489A Quad Line Receiver
Datasheets Download-National Semiconductor pdf datasheets download
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