The DS14C89AM is a quad CMOS Receiver designed to interface data terminal equipment (DTE) with data circuit-terminating equipment (DCE). This device translates levels conforming to EIA-232E and CCITT V.28 standards to TTL/CMOS logic levels. The device is fabricated in low threshold CMOS metal gate technology. The device provides very low power consumption compared to their bipolar equivalent of 900μA. It provides on chip noise filtering which eliminates the need for external response control filter capacitors. When replacing the DS1489A with the DS14C89A, the response control filter pins can be tied high, low or not connected.
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