pi3hdmi341ar Pericom Semiconductor Corporation, pi3hdmi341ar Datasheet

pi3hdmi341ar

Manufacturer Part Number

pi3hdmi341ar

Description

3 1 Active Hdmi Switch With Side Band Signals W/equalization, Pre-emphasis, And De-emphasis , 8kv Esd, Operating At Hdmi Rev. 1.3 Spec At 1.65gbps Offering 8-bit Deep Color Resolution

Manufacturer

Pericom Semiconductor Corporation

Datasheet

1.PI3HDMI341AR.pdf (12 pages)

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Features

• Supply voltage, V

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

• Supports both AC-coupled and DC-coupled inputs

• High Performance, up to 1.65 Gbps per channel

• Switching support for 3 side band signals

• 5V Tolerance on all side band signals

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

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

• Conﬁ gurable output swing control

• Conﬁ gurable Pre-Emphasis levels

• Conﬁ gurable De-Emphasis

• Optimized Equalization

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

• Propagation delay ≤ 2ns

• High Impedance Outputs when disabled

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

HDMI 1.3 signals

(SCL, SDA and HPD)

HOT INSERTION

speed signal input

(500mV, 750mV, 1000mV)

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

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

Single default setting will support all cable lengths

only

06-0340

= 3.3V ±5%

ADVANCE INFORMATION - COMPANY CONFIDENTIAL

3:1 Active HDMI 1.3 Compatible Switch with Optimized

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 ﬁ rst 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 ﬁ ne 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.

Equalization for Enhanced Signal Integrity

PI3HDMI341AR

P-1.1

12/20/06

Related parts for pi3hdmi341ar

pi3hdmi341ar Summary of contents

Page 1

... 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. ...

Page 2

... HPD1 80 06-0340 3:1 Active HDMI 1.3 Compatible Switch with Optimized PI3HDMI341AR Equalization for Enhanced Signal Integrity 40 HPD_SINK 39 SDA_SINK 38 SCL_SINK 37 GND 36 GND GND ...

Page 3

... S1, S2 Source Input Selector V 3.3V Power Supply CC Y1, Y2, Y3 TMDS positive outputs Z1, Z2, Z3 TMDS negative outputs EQ_S0, EQ_S1 I Equalizer controls I Output buffer controls Note: OC_S3 has an internal pull-up resistor. OC_S2 has an internal pull-down resistor. 3 PI3HDMI341AR Equalization for Enhanced Signal Integrity (1) P-1.1 12/20/06 ...

Page 4

... E Q B31 HPD1 HPD2 HPD 3 SCL1 SDA1 SCL2 SDA2 SCL3 SDA3 06-0340 3:1 Active HDMI 1.3 Compatible Switch with Optimized . . . 3-to-1 Control Logic 4 PI3HDMI341AR Equalization for Enhanced Signal Integrity TDMS Drive MUX TDMS Drive TDMS Drive TDMS Drive 0 OC_S OC_S1 OC_S2 OC_S3 ...

Page 5

... V (V) swing os 0 500 3.06 1 750 2.95 0 1000 2.84 1 500 3.02 0 500 3.06 1 500 3.05 0 500 2.97 1 500 2.9 0 500 3.08 1 340 3.08 0 270 3.08 1 160 3.08 0 1000 2.85 1 830 2.85 0 500 2.85 1 330 2.85 Setting Value 5 PI3HDMI341AR HPD2 HPD3 L L HPD_Sink L L HPD_Sink L L Setting Value Pre-emphasis/De-emphasis (dB) none none none none 0 1.5 3 -3.5 -6 -9.5 0 -3.5 -6 -9.5 P-1.1 12/20/06 ...

Page 6

... Exposure to ab- solute max i mum rating con di tions for extended periods may affect re li abil i ty. Min. Typ. 3135 3.3 0 150 2 3.135 3 GND GND 2 GND 6 PI3HDMI341AR Max. Units 3465 V 70 °C 1560 mVp 0. 3.465 V 55 ohm 1.65 Gbps ...

Page 7

... Tbit (151.5ps @ 1.65 Gbps) 150 ≤ Vdiff ≤ 1200mV ( V - 300mV) ≤ Vicm ≤ 37.5mV ±10 ± 10mV CC 7 PI3HDMI341AR Pericom Product Spec 3.30 ± 10 55-ohm V ±5mV 600mV) ≤ VL ≤ 400mV) 400mV ≤ Vswing ≤ 600mV V ± 10mV CC ...

Page 8

... 2. 0.1V to 0.9V to isolated DDC ports 3mA 0. 3.3V 100μ -8mA 8mA OH (Table Continued) 8 PI3HDMI341AR (1) Min. Typ. Max. Units 190 230 mA 394 657 600 - 400 400 600 6% 15 swing ...

Page 9

... The value is tested in full temperature range at 3.0V. 3. The value is tested in full temperature range at 3.6V. 06-0340 3:1 Active HDMI 1.3 Compatible Switch with Optimized Equalization for Enhanced Signal Integrity Test Conditions Min 2. GND GND or 0. PI3HDMI341AR (1) Typ. Max. Units 0.1 2 μA 0 100 0.1 2 μA 0.1 2 P-1.1 12/20/06 ...

Page 10

... Am/Bm = 1.65 Gbps HDMI data pat- tern ,3, 4 A1/B1 = 165 MHz clock de-emphasis = -3.5dB, Am/Bm = 250 Mbps HDMI data pattern A1/ MHz clock C = 10pF 10pF L 10 PI3HDMI341AR Equalization for Enhanced Signal Integrity (1) Min. Typ. Max. 2000 75 240 75 240 7 23 100 ...

Page 11

... Standard TMDS terminations have already been integrated into Pericom’s PI3HDMI341AR device. Therefore, external termina- tions are not required. Any unused port must be left ﬂ oating and not tied to GND. HPD Pins The HPD pins on the PI3HDMI341AR require external pull down transistors to maintain a 0V signal when port is not selected, as follows: 5V ...

Page 12

... Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • Pb-free and Green • Adding an X Sufﬁ Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 06-0340 3:1 Active HDMI 1.3 Compatible Switch with Optimized Equalization for Enhanced Signal Integrity Package Code FF 12 PI3HDMI341AR Package Description 80-pin, Pb-free & Green LQFP P-1.1 12/20/06 ...

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