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PI3HDMI411AD
DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
Features
* * * * * * * * * * * * * * Supply voltage, VDD = 3.3V 5% Compatible with DVI, HDMI, rev 1.1, 1.2, and 1.3 signals Supports both AC-coupled and DC-coupled inputs 8-Bit, 10-Bit, and 12-Bit deep color support Configurable output swing control (500mV,750mV,1000mV) Configurable Pre-Emphasis levels (0dB, 1.5dB, 3.5dB, & 6.0dB) Configurable De-Emphasis (0dB, -1.5dB, -3.5dB, -6.0dB) Configurable Equalization (1dB, 3.5dB, 8dB, Optimized EQ) Data Rate = 2.5 Gbps (max) ESD protection = 6kV (Typical) Inputs w/ built-in termination per HDMI spec Propogation delay < 2ns input Uni-Directional Packaging (Pb-free & Green): 56-contact TQFN (ZB56)
Description
Pericom Semiconductor's PI3HDMI411AD, active-drive switch solution is targeted for high-resolution video networks that are based on DVI/HDMI standards, and TMDS signal processing. The PI3HDMI411AD is an active single TMDS channel re-driver with Hi-Z outputs. The device drives differential signals with enhanced signal integrity to video display units. It provides three controllable output swing levels that can be controlled through pin control or I2C control, depending on the mode select pin. The swing levels are 500mV, 700mV, & 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. The maximum DVI/HDMI data rate of 2.5Gbps provides a 1920x1080 resolution required w/ 12 bit/channel color depth, by the next Gen HDTV and PC graphics products. PI3HDMI411AD is the industry's first active DVI/HDMI compliant switch, which ensures transmitting high bandwidth video streams from PC graphics source to end display units. 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.
Block Diagram
Pin Configuration
07-0017
1
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PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
Function Block Description
50 50
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Dx+O TMDS Driver Dx-O
VDD
Dx+I
TMDS Receiver with EQ
Dx-I
Storage Temperature.....................................-65C to +150C Supply Voltage to Ground Potential.............-0.5V to +5V DC Input Voltage..........................................-0.5V to VDD DC Output Current.......................................120mA Power Dissipation.........................................1.0W
Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Notes: 1. X = 0,1,2,3
Pin Description
Pin # 2, 6, 11, 15, 22, 24, 36, 48 3, 14, 21, 23, 27, 30, 33, 39, 42, 45, 53 19 20 1 Pin Name VDD GND SCL SDA MS I/O Description Power 3.3V power supply Power 0V power supply I I/O I I2C Clock Input Signal, if and only if MS = 'HIGH' I2C Data Input/Output Signal, if and only if MS = 'HIGH' Mode Select Pin. If MS = `HIGH', then I2C control is active. Pins 49-52 are I2C address and pin 19 is SCL and pin 20 is SDA. If MS = `LOW', then I2C control is inactive and pin programmability is active. Output is enabled and normal when OE = `HIGH'. If OE = `LOW', both outputs, A and B, are disabled and at Hi-Z Input TMDS high speed signals Output TMDS high speed signals I2C address inputs if MS = `HIGH'. If MS = `LOW', then pins 49-52 are control bits S4-S7 for output port only, as shown in truth table on page 3 of datasheet If MS = `LOW', then pins 19 is control bit S3, as shown in the truth table on page 3 If MS = `LOW', then pins 20 is control bit S2, as shown in the truth table on page 3 No Connect
56 4, 5 ,7, 8 ,9 ,10, 12, 13 37, 38, 40, 41, 43, 44, 46, 47 49, 50, 51, 52 49, 50, 51, 52 19 20 16, 17, 18, 25, 26, 28, 29, 31, 32, 34, 35, 54, 55
OE DxI, CLKI DxO, CLKO A0, A1, A2, A3 S4, S5, S6, S7 S3 S2 NC
I I O I I I I N/A
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PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
BYTE 1 (Address Assignment)
Address Value A6 1 A5 1 A4 0 A3 A3 A2 A2 A1 A1 A0 A0 R/W R=1/W=0
BYTE 2 (1st Data byte - Port output control)
Output Control Only Swing Control S7 0 0 0 0 Pre-Emphasis 0 0 0 0 De-Emphasis 1 1 1 1 S6 0 0 0 0 1 1 1 1 0 0 0 0 S5 0 0 1 1 0 0 1 1 0 0 1 1 S4 0 1 0 1 0 1 0 1 0 1 0 1 S3 x x x x x x x x x x x x S2 S1 x x x x x x x x x x x x x x x x x x x x x x x x S0 Swing (mV) x x x x x x x x x x x x 500 750 1000 N/A 500 500 500 500 750 750 750 750 Result Pre-Emphasis (dB) 0 0 0 N/A 0 1.5 3.5 6.0 0 0 0 0 De-Emphasis (dB) 0 0 0 N/A 0 0 0 0 0 -1.5 -3.5 -6.0
BYTE 3 (2nd Data byte - Port input control)
Input Control Only Equalization (dB) S7 x x x x S6 x x x x S5 x x x x S4 x x x x S3 0 0 1 1 S2 0 1 0 1 S1 x x x x S0 x x x x Result 1 3.5 Optimized EQ Setting
8
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PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
TMDS Compliance Test Results
Item Operating Conditions Termination Supply Voltage, AVDD Terminal Resistance Source DC Characteristics at TP1 Single-ended high level output voltage, VH Single-ended low level output voltage, VL Single-ended output swing voltage, Vswing Single-ended standby (off) output voltage, Voff Single-ended standby (off) output current, Ioff Transmitter AC Characteristics at TP1 Risetime/Falltime (20%-80%) Intra-Pair Skew at Transmitter Connector, max Inter-Pair Skew at Transmitter Connector, max Clock Jitter, max Sink Operating DC Characteristics at TP2 Input Differential Voltage Level, Vdiff Input Common Mode Voltage Level, VICM 150 Vdiff 1200mV 100 15 150mV VDIFF 1200mV AVDD -300mV VICM < AVDD 37.5mV or AVDD 10% AVDD 10mV 75ps Risetime/Falltime 0.4 Tbit (75ps tr/tf 242ps) @ 1.65Gbps 0.15 Tbit (90.9ps @ 1.65Gbps) 0.2 Tpixel (1.2ns @ 1.65Gbps) 0.25 Tbit (151.5ps @ 1.65Gbps) 240ps 60ps max 100ps max 82ps max AVDD 10mV AVDD 10mV (AVDD - 600mV) VL (AVDD - 400mV) (AVDD - 600mV) VL (AVDD - 400mV) 400mV Vswing 600mV 400mV Vswing 600mV AVDD 10mV (informative) | IOFF | < 100uA AVDD 10mV | IOFF | <10uA 3.3V 5% 50-ohm 10% 3.30 5% 45 to 55-ohm HDMI 1.3 Spec Pericom TMDS Product Spec
Sink DC Characteristics When Source Disabled or Disconnected at TP2 Differential Voltage Level AVDD 10mV
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PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
DC Electrical Characteristics (TA = -40C to +85C, unless otherwise noted. VDD = 3.3V 0.3V)
Symbol VH VL Vswing VOFF IOFF VOS VIH VIL ICC Parameter Single-ended high level output voltage Single-ended low level output voltage Single-ended output swing voltage Single-ended standby (off) output voltage Single-ended standby (off) output current Offset Voltage Minimum Input High Voltage Minimum Input Low Voltage Power Supply Current 1.8 0.8 280 Test Condition(1) Min. VDD - 10mV VDD-600mV 400 VDD - 10mV VDD Typ.(2) VDD Max. VDD + 10mV VDD - 400mV 600 VDD + 10mV 10 VDD - 250mV Units V V mV V s V V mA
AC Electrical Characteristics (TA = -40C to +85C, VDD = 3.3V 0.3V)
Symbol T20-80 Overshoot Undershoot Intra-Pair Skew at Source Connector Inter-Pair Skew at Connector Clock duty cycle TMDS differential clock Jitter tPHLD tPLHD tSKD tPHZ tPLZ tPZH tPZL Differenital Propagation Delay High to Low Differential Propagation Delay Low to High Differential Skew | tPHLD - tPLHD | Disable Time High to Z Disable Time Low to Z Enable Time Z to High Enable Time Z to Low 1 1 25 5 5 1 1 40% 50% Paramter Rise time/fall time (20% - 80%) Test Conditions(1) Min. 75 Typ.(2) Max. 0.4 Tbit 15% of Vswing * 2 25% of Vswing * 2 60 100 60% 62 ps ns ns ps ns s ps ps Units Ps
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VDD = 3.3V, TA = 25C ambient and maximum loading.
Power Supply Characteristics
Parameters ICC Description Quiescent Power Supply Current Test Conditions(1) VDD = Max., VIN = VDD, OE = 'LOW' Min. Typ.(2) 1 Max. Units mA
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VDD = 3.3V, TA = 25C ambient and maximum loading.
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PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
TMDS Link Test Points
TP1 TP2
Translation Pattern
Pattern
TX
Board Receptacl e
Wire Plug
Rx
Board Receptacle
Normalized Eye Diagram Mask at TP1 for Source Requirements
Normalized Differential Amplitude
0.65 0.50 0.25
0.0
-0.25 -0.50 -0.65 0.0 0.15 0.31666... 0.68333... 0.85
1.0
Normalized Time
Absolute Eye Diagram Mask at TP2 for Sink Requirements
780
Differential Amplitude (mV)
75 0 -75
0.25 0.30 0.0
0.70 0.75
1.0
Normalized Time
6
PS8845G 01/18/07
07-0017
PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis Application Information PI3HDMI411AD can be used to re-drive HDMI or DVI signals across internal cables or long FR4 trace lengths. If a DTV is designed with a side/front HDMI connector, a Separate daughter card is needed for the side/front HDMI connector and Pericom re-driver. ATC compliance MUST only be maintained from the front/side connector to the PI3HDMI411AD IC. After the PI3HDMI411AD signal Integrity will be taken care of through the powerful pre-emphasis technique of the Pericom solution.
Test Access Board
DVI Source (OUT)
DVI Connector
HDMI Cable
D0/D1/D2 Test Point
HDMI411AD
E2678A Differential Socket probe head
E1132A/1134A Probe Amplifier
Damping Resistors
Recovered Clock
54854A/54855A Oscilloscope
SMA to BNC Cable
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PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
Figure 3: 8bit deep color DVI/HDMI TX eye tested with 2 meter. 30 AWG HDMI cable. Setting: Optimized equalization, 0dB output pre-emphasis and de-emphasis, and Swing 500mV.
Figure 4: 8bit deep color DVI/HDMI TX eye tested with 20 meter. 24 AWG HDMI cable. Setting: Optimized equalization, 0dB output pre-emphasis and de-emphasis, and Swing 500mV.
07-0017
8
PS8845G
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PI3HDMI411AD DVI / HDMI Re-Driver w/ Equalization, De-emphasis & Pre-emphasis
Ordering Information
Ordering Code PI3HDMI411ADZBE
Notes:
Package Code ZB
Package Description 56-pin, Pb-free & Green, TQFN, (ZB56)
* Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ * E = Pb-free and Green * Adding an X suffix = Tape/Reel
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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