VO

VI

tPZL

tPLZ

50%

50%

5V

§5V

0V

VOL

10%

Input

Generator

A

B

VO

D

RL= 110

Ÿ

VI

50

Ÿ

DE

CL=

50 pF

S1

5V

VO

VI

tPZH

tPHZ

50%

50%

5V

§0V

0V

VOH

90%

Input

Generator

A

B

VO

D

RL=

110

Ÿ

VI

50

Ÿ

DE

CL=

50 pF

S1

VOD

VI

tPLH

tPHL

tr

tf

90%

50%

10%

50%

5V

§2V

§-2V

0V

Input

Generator

A

B

Vcc

VOD

D

54

Ÿ

VI

50

Ÿ

DE

CL=

50 pF

A

B

VOC

VOC(PP)

ûVOC(SS)

VA

VB

0V or 5 V

A

B

VOD

D

RL/2

RL/2

CL VOC

0V or 5 V

A

B

DE

Vcc

-7V < Vtest < 12 V

VOD

D

375

Ÿ

60

Ÿ

375

Ÿ

SN888C

SLLSEI4 – SEPTEMBER 2013

www.ti.com

PARAMETER MEASUREMENT INFORMATION

DRIVER

Figure 2. Measurement of Driver Differential-Output Voltage With Common-Mode Load

Figure 3. Measurement of Driver Differential and Common-Mode Output With RS-485 Load

Figure 4. Measurement of Driver Differential-Output Rise and Fall Times and Propagation Delays

Figure 5. Measurement of Driver Enable and Disable Times With Active-High Output and Pull-Down Load

Figure 6. Measurement of Driver Enable and Disable Times With Active-Low Output and Pull-Up Load

6

Submit Documentation Feedback

Copyright © 2013, Texas Instruments Incorporated

Product Folder Links: SN888C