Note 7: Diagram shown for ENABLE low.

Note 8: S1 and S2 of load circuit are closed except where shown.

Note 9: Pulse generator for all pulses: Rate

Truth Table

ENABLE

ENABLE

Input

Output

LH

X

Z

All Other

Combinations of

Enable Inputs

V

ID

≥ V

H

V

ID

≤ V

L

Open

H

Z = TRI-STATE

Typical Applications

Two-Wire Balanced Systems, RS-422

00876409

00876407

FIGURE 5. Propagation Delay for “LS-Type” Load (Notes 7, 9)

00876408

FIGURE 6. Enable and Disable Times for “LS-Type” Load (Notes 8, 9)

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