MAX13080EEPD Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

MAX13080EEPD

+5.0V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers

Maxim Integrated 

+5.0V, ±15kV ESD-Protected, Fail-Safe,

Hot-Swap, RS-485/RS-422 Transceivers

Test Circuits and Waveforms (continued)

B

RECEIVER

ATE

VID

OUTPUT

R

A

Figure 6. Receiver Propagation Delay Test Circuit

A

B

VOH

VOL VCC/2

RO

tRPLH

THE RISE TIME AND FALL TIME OF INPUTS A AND B < 4ns

Figure 7. Receiver Propagation Delays

+1V

-1V

tRPHL

+1.5V

S3

-1.5V

VID R

1kΩ

CL

15pF

S1

VCC

S2

GENERATOR

50Ω

S1 OPEN

S2 CLOSED

S3 = +1.5V

RE

VCC

RE

0

S1 CLOSED

S2 OPEN

S3 = -1.5V

VCC

VCC/2

0

tRZH, tRZH(SHDN)

tRZL, tRZL(SHDN)

RO

VOH

VCC

VOH / 2

RO

0

(VOL + VCC) / 2

VOL

S1 OPEN

S2 CLOSED

S3 = +1.5V

VCC

S1 CLOSED

S2 OPEN

S3 = -1.5V

VCC

RE

VCC/2

tRHZ

VCC/2

0

RE

0

0.25V

RO

tRLZ

VCC

VOH

RO

0

0.25V

VOL

Figure 8. Receiver Enable and Disable Times

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