Rainbow-electronics DS92LV040A Manual do Utilizador descarregar pdf (Página 6)

Applications Information (Continued)

TABLE 1. Functional Table

MODE SELECTED DE RE

DRIVER MODE H H

RECEIVER MODE L L

TRI-STATE

™

MODE L H

LOOP BACK MODE H L

TABLE 2. Transmitter Mode

INPUTS OUTPUTS

DE D

DO+ DO−

HL LH

HH HL

H 0.8V

2.0V X X

LXZZ

TABLE 3. Receiver Mode

INPUTS

OUTPUT

(RI+) – (RI−)

LL(

−70 mV) L

LH(

0 mV) H

L −70 mV

0mV X

HX Z

X = High or Low logic state

L = Low state

Z = High impedance state

H = High state

Test Circuits and Timing

Waveforms

10133603

FIGURE 1. Differential Driver DC Test Circuit

DS92LV040A

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