Test information, Pca9665, Nxp semiconductors – NXP Semiconductors PCA9665 User Manual

Page 78

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PCA9665_2

© NXP B.V. 2006. All rights reserved.

Product data sheet

Rev. 02 — 7 December 2006

78 of 91

NXP Semiconductors

PCA9665

Fm+ parallel bus to I

2

C-bus controller

14. Test information

Test data are given in

Table 52

.

R

L

= load resistance.

C

L

= load capacitance includes jig and probe capacitance.

R

T

= termination resistance should be equal to the output impedance Z

O

of the pulse

generators.

Fig 43. Test circuitry for switching times

Table 52.

Test data

Test

Load

S1

C

L

R

L

t

d(DV)

50 pF

500

V

DD

×

2

t

d(QZ)

50 pF

500

open

Test data are given in

Table 53

.

R

L

= load resistance. R

L

for SDA and SCL > 1 k

(3 mA or less current).

C

L

= load capacitance includes jig and probe capacitance.

R

T

= termination resistance should be equal to the output impedance Z

O

of the pulse

generators.

Fig 44. Test circuitry for open-drain switching times

Table 53.

Test data

Test

Load

S1

C

L

R

L

t

d(DV)

50 pF

1 k

V

DD

t

d(QZ)

50 pF

1 k

V

DD

t

as(int)

50 pF

1 k

V

DD

t

das(int)

50 pF

1 k

V

DD

PULSE

GENERATOR

V

O

CL
50 pF

RL
500

002aac694

RT

V

I

V

DD

DUT

RL
500

V

DD

×

2

open
V

SS

PULSE

GENERATOR

V

O

CL
50 pF

RL
1 k

002aac695

RT

V

I

V

DD

DUT

V

DD

open
V

SS

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