Datasheet MAX3462ESA+ - Maxim IC, RS422/RS485 TRANSCEIVER — Ficha de datos

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Manufacturer: Maxim

Description: IC, RS422/RS485 TRANSCEIVER

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Docket:
19-2217; Rev 1; 2/03
+5V, Fail-Safe, 20Mbps, Profibus RS-485/ RS-422 Transceivers
General Description
The MAX3460­MAX3464 are high-speed differential bus transceivers for RS-485 and RS-422 communications.

They are designed to meet TIA/EIA-422-B, TIA/EIA-485-A, V.11, and X.27 standards. The transceiver complies with the Profibus specification providing +2.1V output level with a 54 load, 20Mbps data rate, and output skew less than 2ns. Each part contains one three-state differential line driver and one differential input line receiver. The devices operate from a +5V supply and feature true fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted. This enables all receiver outputs on a terminated bus to output logic highs when all transmitters are disabled. All devices feature a 1/4 standard unit load receiver input impedance that allows 128 transceivers on the bus. Driver and receiver propagation delays are guaranteed under 20ns for

RoHS: Yes