PI3HDMI341ARFFE datasheet(1/12 Pages) PERICOM

部件名	PI3HDMI341ARFFE

功能描述	3:1 Active HDMI 1.3 Compatible Switch with Optimized Equalization for Enhanced Signal Integrity

PDF	12 Pages

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制造商	PERICOM [Pericom Semiconductor Corporation]

网页	http://www.pericom.com

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1 / 12 page

1

P-1.1

12/20/06

ADVANCE INFORMATION - COMPANY CONFIDENTIAL

PI3HDMI341AR

3:1 Active HDMI 1.3 Compatible Switch with Optimized

Equalization for Enhanced Signal Integrity

Features

• Supply voltage, VCC = 3.3V ±5%

• Each Port is compatible w/ DVI, HDMI 1.1, HDMI 1.2 or

HDMI 1.3 signals

• Supports both AC-coupled and DC-coupled inputs

• High Performance, up to 1.65 Gbps per channel

• Switching support for 3 side band signals

(SCL, SDA and HPD)

• 5V Tolerance on all side band signals

• SCL, SDA, and HPD pins are the only pins that can support

HOT INSERTION

• Integrated 50-ohm (±10%) termination resistors at each high

speed signal input

• Conﬁgurable output swing control

(500mV, 750mV, 1000mV)

• Conﬁgurable Pre-Emphasis levels

(0dB, 1.5dB, 3.5dB, & 6.0dB)

• Conﬁgurable De-Emphasis

(0dB, -3.5dB, -6.0dB, -9.5dB)

• Optimized Equalization

Single default setting will support all cable lengths

• ESD protection = 8kV (typical) on high-speed data channels

only

• Propagation delay ≤ 2ns

• High Impedance Outputs when disabled

• Packaging (Pb-free & Green): 80-contact LQFP (FF80)

Description

Pericom Semiconductor’s PI3HDMI341AR 3:1 active switch

circuit is targeted for high-resolution video networks that are

based on DVI/HDMI standards and TMDS signal processing.

The PI3HDMI341AR is an active 3 TMDS to 1 TMDS receiver

switch with Hi-Z outputs. The device receives differential signals

from selected video components and drives the video display unit.

It provides three controllable output swings that can be controlled

through a single bit. The allowable output swings are 500mV,

750mV and 1000mV. This solution also provides a unique

advanced pre-emphasis technique to increase rise and fall times

which are reduced during transmission across long distances.

Each complete HDMI/DVI channel also has slower speed, side

band signals, that are required to be switched. Pericom’s solution

provides a complete solution by integrating the side band switch

together with the high speed switch in a single solution. Using

Equalization at the input of each of the high speed channels,

Pericom can successfully eliminate deterministic jitter caused by

long cables from the source to the sink. The elimination of the

deterministic jitter allows the user to use much longer cables (up

to 25 meters).

The maximum DVI/HDMI Bandwidth of 1.65 Gbps provides 8-

bit deep color support, which is offered by HDMI revision 1.3.

Due to its active uni-directional feature, this switch is designed

for usage only for the video receiver’s side. For consumer

video networks, the device sits at the receiver’s side to switch

between multiple video components, such as PC, DVD, STB,

D-VHS, etc. The PI3HDMI341AR is the industry’s ﬁrst active

DVI/HDMI switch compatible with HDMI 1.1, 1.2, and 1.3

which ensures transmitting high-bandwidth video streams from

video components to the display unit. The PI3HDMI341AR also

provides enhanced robust ESD/EOS protection of 8kV, which is

required by many consumer video networks today.

The Optimized Equalization provides the user a single optimal

setting that can provide HDMI compliance for all cable lengths:

2meter, 10meter, 15meter, and 20 meter. Pericom also offers the

ability to ﬁne tune the equalization settings in situations where

cable length is known. For example, if 25meter length cable

isrequired, Pericom's solution can be adjusted to 16dB EQ to

accept 25meter cable length.

06-0340

类似零件编号 - PI3HDMI341ARFFE

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Pericom Semiconductor C...	PI3HDMI341ARTFFE	740Kb / 11P	3:1 Active HDMI 1.3 Compatible Switch with Optimized Equalization for Enhanced Signal Integrity

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