SP3486CT Ver la hoja de datos (PDF) - Signal Processing Technologies

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componentes Descripción

Fabricante

SP3486CT

+3.3V Low Power Quad RS-485/RS-422 Line Drivers

Signal Processing Technologies 

3V

INPUT

0V

VOH

Y OUTPUT

VOL

1.5V

tPLH

VOM

1.5V

tPHL

VOM

VOH

Z OUTPUT

VOL

tPHL

VOM

tPLH

VOM

VOM =

VOH + VOL

2

≈ 1.5V

Figure 5. Driver Propagation Delay Waveforms

3V

INPUT

0V

VOH

OUTPUT

HIGH

0V

VCC

OUTPUT

LOW

VOL

1.5V

1.5V

tPZH

VOM

tPHZ

0.25V

tPZL

VOM

tPLZ

0.25V

VOM =

VOH + VOL

2

≈ 1.5V

Figure 6. Driver Enable and Disable Timing Waveforms

NOTE 1: The input pulse is supplied by a generator with the following characteristics:

INPUT=250kHz, 50% duty cycle, tr < 6.0ns, Zo=50Ω.

NOTE 2: C includes probe and stray capacitance.

L

10/15/02

SP3486/3487 Low Power Quad RS485/422 Line Drivers

6

© Copyright 2000 Sipex Corporation

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