Optoway

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Tel: 886-3-5979798

Fax: 886-3-5979737

E-mail: sales@optoway.com.tw

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8/1/2009 V2.0

4

RECOMMENDED CIRCUIT SCHEMATIC

100nF

Vee

100

Ω Differential

100

Ω Differential

TX1 -

TX1 +

Vcc_TX1

Vcc_TX2

TX2 +

TX2 -

TX2_DIS

TX1_DIS

20

18

19

16

15

8

9

17

VCC 3.3V

10

NC

TX2_DIS

TX1_DIS

SCL

SDA

10K

5

6

NC

NC

NC

Vee

Vee

Vee

Vee

Vee

14

2

4

1

12

3

11

7

13

10uF

1uH

100nF

10uF

1uH

100nF

10uF

10K

TD +

TD -

Re-Clocker

I2C DATA

I2C CLK

TD -

TD +

Re-Clocker

VCC 3.3V

1. Consult the Chipset manufacturer’s applications information for biasing required for TX outputs. Some chipset outputs

are internally biased and may not need external bias resistor.

Note: Specifications subject to change without notice.