SP489 SIPEX [Sipex Corporation], SP489 Datasheet
SP489
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SP489 Summary of contents
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... SN75175, LTC488 and LTC489 DESCRIPTION… The SP488 and SP489 are low–power quad differential line receivers meeting RS-485 and RS-422 standards. The SP488 features a common receiver enable control; the SP489 provides independent receiver enable controls for each pair of receivers. Both feature tri–state outputs and wide common– ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for ...
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... A — Receiver 2 input — Receiver 2 input — Receiver 3 input — Receiver 3 input A. 3 — Receiver 3 Output — > < SP489 / ...
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... Receiver output is high. If Receiver 1 output is enabled, and < Receiver 1 output is low. Pin 4 — EN1/EN2 — Receiver 1 and 2 Output Enable. Please refer to SP489 Truth Table (2). Pin 5 — RO — Receiver 2 Output — If Re- 2 ceiver 2 output is enabled 200mV, Receiver 2 output is high. If Receiver 2 ...
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... Low to HIGH (tPLH) High to LOW (tPH ) L Differential Receiver Skew (t ) SKD Receiver Rise Time ( SP488 SP489 Receiver Fall Time ( SP488 SP489 RECEIVER ENABLE To Output HIGH To Output LOW RECEIVER DISABLE From Output LOW From Output HIGH +V OD Input A–B – PHL V OH ...
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... SP489CS .................. One per driver pair; active High ............ +70 C .................... 16–pin Plastic DIP SP489CT .................. One per driver pair; active High ............ +70 C ............................. 16–pin SOIC SP489ES .................. One per driver pair; active High ............ – +85 C ................ 16–pin Plastic DIP SP489ET .................. One per driver pair; active High ............ – +85 C ......................... 16–pin SOIC ...