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ISL32437EIBZ датащи(PDF) 3 Page - Intersil Corporation |
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ISL32437EIBZ датащи(HTML) 3 Page - Intersil Corporation |
3 / 21 page ISL32430E, ISL32432E, ISL32433E, ISL32435E, ISL32437E 3 FN7920.0 March 1, 2012 ISL32432E, ISL32435E (8 LD SOIC, 8 LD MSOP) TOP VIEW ISL32437E (8 LD SOIC, 8 LD MSOP) TOP VIEW Pin Configurations (Continued) RO RE DE DI 1 2 3 4 8 7 6 5 VCC B/Z A/Y GND D R RO INV DE DI 1 2 3 4 8 7 6 5 VCC B/Z A/Y GND D R Truth Tables TRANSMITTING INPUTS OUTPUTS RE DE DI INV (Note 4) Y Z X1 1 0 1 0 X1 0 0 0 1 X1 1 1 0 1 X1 0 1 1 0 0 0 X X High-Z High-Z 10 X X High-Z* High-Z* NOTES: 4. Parts without the INV pin follow the rows with INV = “0” and “X”. *Low Power Shutdown Mode (See Notes 13 and 18). RECEIVING INPUTS OUTPUT RE (Note 18) DE (Half Duplex) DE (Full Duplex) A-B INV (Note 4) RO 00 X ≥ -0.01V 0 1 00 X ≤ -0.2V 0 0 00 X ≤ 0.01V 1 1 00 X ≥ 0.2V 1 0 00 X Inputs Open or Shorted X1 10 0 X X High-Z* 11 1 X X High-Z NOTE: *Low Power Shutdown Mode (See Notes 13 and 18). Pin Descriptions PIN NAME PIN NUMBER FUNCTION ISL32430E, ISL32433E, 14 LD SOIC ISL32430E, ISL32433E, 10 LD MSOP ISL32432E, ISL32435E ISL32437E RO 2 1 1 1 Receiver output. For parts without the cable invert function - or if INV is low - then: If A- B ≥ -10mV, RO is high; if A - B ≤ -200mV, RO is low. If INV is high, then: If B - A ≥ -10mV, RO is high; if B - A ≤ -200mV, RO is low. In all cases, RO = High if A and B are unconnected (floating), or shorted together, or connected to an undriven, terminated bus (i.e., Rx is always failsafe open, shorted, and idle, even if polarity is inverted). RE 3 2 2 N/A Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high. Internally pulled low. DE 4 3 3 3 Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high, and they are high impedance when DE is low. Internally pulled high. DI 5 4 4 4 Driver input. For parts without the cable invert function - or if INV is low - a low on DI forces output Y low and output Z high, while a high on DI forces output Y high and output Z low. The output states, relative to DI, invert if INV is high. GND 6, 7 5 5 5 Ground connection. A/Y N/A N/A 6 6 ±40V Fault Protected and ±15kV ESD protected RS-485/RS-422 I/O pin. For parts without the cable invert function - or if INV is low - A/Y is the non-inverting receiver input and non-inverting driver output. If INV is high, A/Y is the inverting receiver input and the inverting driver output. Pin is an input if DE = 0; pin is an output if DE = 1. |
Аналогичный номер детали - ISL32437EIBZ |
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Аналогичное описание - ISL32437EIBZ |
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