CAT6613 데이터 시트보기 (PDF) - Unspecified

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CAT6613

HDMI 1.3 Transmitter

Unspecified 

CAT6613 Datasheet

(Test ID 7-10). One should only use low-capacitance ESD diode to protect these high-speed pins.

Commercially available devices such as Semtech's RClamp0524p that take into consideration of all

aspects of designing and protecting high-speed transmission lines are recommended.

(http://www.semtech.com/products/product-detail.jsp?navId=H0,C2,C222,P3028).

RClamp0524p

GND

GND

RClamp0524p

100ohm differentially, L < 1 cm

EXAMPLE: 100 ohm: W=9mil, S=11mil

WSW

1.8mil

er=4.3

8mil

1.4mil

DATA2+

GND

DATA2-

DATA1+

GND

DATA1-

DATA0+

GND

DATA0-

CLOCK+

GND

CLOCK-

CEC

reserved

SCL

SDA

GND

+5V

HPD

Figure 20. Layout example for high-speed TMDS differential signals

4. Pin 27 (REXT) should be connected to AVCC18 via a 698Ω/1% precision SMD resistor. This

resistor is used to calibrate the TMDS output current level and should be placed as close as possible

to the CAT6613.

5. The CAT6613 comes embedded with optionally programmable source terminations. It is

recommended by HDMI Specifications v1.3a that source terminations be turned on when the

operating link rate is over 1.65Gbps. User of the CAT6613 may refer to CAT6613 Programming Guide

for proper control of source terminations through register setting.

The CAT logo is a registered trademark of Chip Advanced Technology

2008 Chip Advanced Technology Inc. – All Right Reserved.

Mar-2010 Rev:1.0 34/37

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