SN65HVD233

SN65HVD234

SN65HVD235

SLLS557D − NOVEMBER 2002 REVISED JUNE 2005

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8

VO

IO

R

VID

CANH

CANL

VI(CANL)

VI(CANH)

VI(CANH + VI(CANL)

2

VIC =

Figure 5. Receiver Voltage and Current Definitions

IO

R

CANH

CANL

VI

2.2 V

2.2 V

2.9 V

1.5 V

VOH

VOL

90%

10%

tr

tf

50%

VI

VO

tPLH

tPHL

(see Note C)

1.5 V

CL = 50 pF ±20%

(see Note D)

VO

10%

90%

50%

NOTES:C. The input pulse is supplied by a generator having the following characteristics: Pulse repetition rate (PRR)

≤ 125 kHz, 50% duty cycle,

tr ≤ 6ns, tf ≤ 6ns, ZO = 50Ω.

D. CL includes fixture and instrumentation capacitance.

Figure 6. Receiver Test Circuit and Voltage Waveforms

Table 1. Differential Input Voltage Threshold Test

INPUT

OUTPUT

MEASURED

VCANH

VCANL

R

|VID|

−6.1 V

−7 V

L

900 mV

12 V

11.1 V

L

VOL

900 mV

−1 V

−7 V

L

VOL

6 V

12 V

6 V

L

6 V

−6.5 V

−7 V

H

500 mV

12 V

11.5 V

H

500 mV

−7 V

−1 V

H

VOH

6 V

6 V

12 V

H

VOH

6 V

open

open

H

X

100

Ω

CANH

CANL

Rs, AB, EN, LBK, at 0 V or VCC

Pulse Generator

15

µs Duration

1% Duty Cycle

tr, tf ≤ 100 ns

R

D at 0 V or VCC

NOTE: This test is conducted to test survivability only. Data stability at the R output is not specified.

Figure 7. Test Circuit, Transient Over Voltage Test