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MAX3440E Datasheet(PDF) 10 Page - Maxim Integrated Products |
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MAX3440E Datasheet(HTML) 10 Page - Maxim Integrated Products |
10 / 19 page ±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers 10 ______________________________________________________________________________________ Pin Description PIN MAX3440E MAX3441E MAX3442E MAX3443E MAX3444E NAME FUNCTION 1 — — FAULT Fault output. 1 = fault; 0 = normal operation A or B under the following conditions: • A-B differential <200mV • A shorted to B • A shorted to a voltage within the common-mode range (detected only when the driver is enabled) • B shorted to a voltage within the common-mode range (detected only when the driver is enabled) • A or B outside the common-mode range 2 1 1 RO Receiver Output. If receiver enabled and (A-B) -50mV, RO = high; if (A-B) -200mV, RO = low. — 2 2 RE Receiver Output Enable. Pull RE low to enable RO. — — 3 DE Driver Output Enable. Pull DE low to enable the outputs. Force DE high to three-state the outputs. Drive RE and DE high to enter low-power shutdown mode. 3 — — DE/RE Driver/Receiver Output Enable. Pull DE/RE low to three- state the driver output and enable RO. Force DE/RE high to enable driver output and three-state RO. — 3 — DE Driver Output Enable. Force DE high to enable driver. Pull DE low to three-state the driver output. Drive RE high and pull DE low to enter low-power shutdown mode. 4 4 — DI Driver Input. A logic-low on DI forces the noninverting output low and the inverting output high. A logic-high on DI forces the noninverting output high and the inverting output low. — — 4 TXD J1708 Input. A logic-low on TXD forces outputs A and B to the dominant state. A logic-high on TXD forces outputs A and B to the recessive state. 5 5 5 GND Ground 6 6 6 A Noninverting Receiver Input/Driver Output 7 7 7 B Inverting Receiver Input/Driver Output 8 8 8 VCC Positive Supply, VCC = +4.75V to +5.25V |
Similar Part No. - MAX3440E_10 |
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Similar Description - MAX3440E_10 |
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