SN65HVD20,SN65HVD21

SN65HVD22,SN65HVD23,SN65HVD24

SLLS552D − DECEMBER 2002 − REVISED APRIL 2005

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9

PARAMETER MEASUREMENT INFORMATION

NOTES:

Test load capacitance includes probe and jig capacitance (unless otherwise specified).

Signal generator characteristics: rise and fall time < 6 ns, pulse rate 100 kHz, 50% duty cycle, Zo = 50 Ω (unless otherwise specified)

II

IO

IO

VOD

50 pF

27

Ω

27

Ω

VOC

0 V or 3 V

IO

IO

VOD

60

Ω

VTEST

0 V or 3 V

375

Ω

375

Ω

VTEST = −20 V to 25 V

VOD

50

Ω

RL = 54 Ω

CL = 50 pF

Signal

Generator

1.5 V

1.5 V

3 V

0 V

tPLH

tPHL

VOD(H)

VOD(L)

90%

0 V

10%

tr

tf

INPUT

OUTPUT

Figure 3. Driver Switching Test Circuit and Waveforms

VOC

50

Ω

Signal

Generator

A

B

27

Ω

27

Ω

50 pF

D

VA

VB

VOC

VOC(PP)

∆VOC(SS)

≈ 3.25 V

≈ 1.75 V

Figure 4.