Rainbow-electronics MAX3469 Manuale Utente Scaricare il pdf (Pagina 7)

MAX3465–MAX3469

+5V, Fail-Safe, 40Mbps, Profibus RS-485/

RS-422 Transceivers

_______________________________________________________________________________________ 7

MAX3465/MAX3466

Function Tables

TRANSMITTING

INPUTS OUTPUTS

RE DE DI SHDN Z Y

X11001

X10010

0 0 X 0 High-Z High-Z

1 0 X X Shutdown

X X X 1 Shutdown

RECEIVING

INPUTS OUTPUT

RE DE A - B SHDN RO

0X≥ -0.05V 0 1

0X≤ -0.2V 0 0

0 X Open/Shorted 0 1

1 1 X 0 High-Z

1 0 X X Shutdown

X X X 1 Shutdown

MAX3467

TRANSMITTING

INPUT OUTPUTS

DI Z Y

101

010

RECEIVING

INPUTS OUTPUT

A - B RO

≥ -0.05V 1

≤ -0.2V 0

Open/Shorted 1

MAX3468/MAX3469

TRANSMITTING

INPUTS OUTPUTS

RE DE DI B A

X11 0 1

X10 1 0

0 0 X High-Z High-Z

1 0 X Shutdown

RECEIVING

INPUTS OUTPUT

RE DE A - B RO

0X ≥ -0.05V 1

0X ≤ -0.2V 0

0 X Open/Shorted 1

1 1 X High-Z

1 0 X Shutdown

1 2 3 4 5 6 7 8 9 10 11 12 13 14

MAX3465–MAX3469 1
RS-422 Transceivers 1

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Rainbow-electronics MAX3469 Manuale Utente Pagina 7

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