SN65HVD1176

SN75HVD1176

SLLS563C − JULY 2003 − REVISED APRIL 2005

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6

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 5.

VOD(PP)

VOD(RING)

VOD(RING)

VOD(SS)

VOD(SS)

0 V Differential

NOTE: VOD(RING) is measured at four points on the output waveform, corresponding to overshoot and undershoot from the

VOD(H) and VOD(L) steady state values.

Figure 6.

a) D at Logic Low

b) D at Logic High

DE

A

B

tp(AZL)

tp(ALZ)

tp(BZH)

tp(BHZ)

A

B

CL = 50 pF

RL = 110 Ω

0 V

DE

D

Signal

Generator

50

Ω

CL = 50 pF

RL = 110 Ω

VCC

0 V

50%

50%

1.5 V

VOL +0.5 V

VOL −0.5 V

DE

A

B

tp(AZH)

tp(AHZ)

tp(BZL)

tp(BLZ)

A

B

CL = 50 pF

RL = 110 Ω

3 V

DE

D

Signal

Generator

50

Ω

CL = 50 pF

RL = 110 Ω

VCC

0 V

50%

50%

1.5 V

VOH −0.5 V

VOH +0.5 V

1.5 V

3 V

3 V

Figure 7. Driver Enable/Disable Test