Signal

Generator

DE

B

A

D

VOA VOB

DE

A

B

50%

0V

50 W

GND1

GND2

R =110

L

W

C =50pF

L

R =110

L

W

C =50pF

L

1.5V

V

+0.5V

OL

V

-0.5V

OH

V

=3V

IN

50%

GeneratorPRR=500kHz,50%Duty

Cycle,t <6ns,t <6ns,Z

=50

r

f

O

W

Signal

Generator

50 W

DE

D

GND1

ISODE

ISODE

DE

50%

V

=V

IN

CC1

GND2

C =15pF

±20%

L

50%

t DE_LH

P

t DE_HL

P

50%

50%

GeneratorPRR=500kHz,50%Duty

Cycle,t <6ns,t <6ns,Z

=50

r

f

O

W

V

ID

I

O

V

O

Input A

Output

50%

VOH

VOL

tf

tr

tpLH

tpHL

10%

90%

1.5V

1.5V

0V

InputB

Signal

Generator

50 W

CL=15pF

R

A

B

VID

VO

IO

(IncludesProbeand

JigCapacitance)

PRR=100kHz,50%DutyCycle,

t <6ns,t <6ns,Z

=50

r

f

O

W

Signal

Generator

50 W

ISO1176

PARAMETER MEASUREMENT INFORMATION (continued)

Figure 13. Driver Enable/Disable Test, D at Logic High Test Circuit and Waveforms

Figure 14. DE to ISODE Prop Delay Test Circuit and Waveforms

Figure 15. Receiver DC Parameter Definitions

Figure 16. Receiver Switching Test Circuit and Waveforms

Copyright © 2008, Texas Instruments Incorporated

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