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PI3HDMI412AD
1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
Features
* * * * * * * * * * * * * * * Supply voltage, VDD = 3.3V 5% Compatible w/ DVI, HDMI 1.1, 1.2, and 1.3 signals Supports both AC-coupled and DC-coupled inputs 1:2 Demux Supports Deep Color, up to 12-bits per channel 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, 6dB, 8dB) Data Rate = 2.5Gbps (Max) ESD protection = 6kV (Typ) Inputs w/ built-in termination Propagation delay < 2ns input Uni-Directional Packaging (Pb-free & Green): 56-pad TQFN (ZB56)
Description
Pericom Semiconductor's PI3HDMI412AD, active-drive switch solution is targeted for high-resolution video networks that are based on DVI/HDMI standards, and TMDS signal processing. The PI3HDMI412AD is an active single TMDS channel to two TMDS channe DeMux with Hi-Z outputs. The device drives differential signals to multiple 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 1.65Gbps provides a 1920x1080 resolution required by the next Gen HDTV and PC graphics products. Due to its active uni-directional feature, this switch is de-signed for usage only for the video driver's side. For PC graphics application, the device sits at the driver's side to switch between multiple display units, such as PC LCD monitor, projector, TV, etc. PI3HDMI412AD 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. PI3HDMI412AD will also provide enhanced robust ESD/EOS protection of 8kV contact, which is required by many consumer video networks today.
Block Diagram
Pin Configuration
OE SEL_IN Test_In GND A3/S7 A2/S6 A1/S5 A0/S4 VDD D0+A D0-A GND D1+A D1-A
D0+A D0-A D1+A D1-A D2+A D2-A D3+A D3-A D0+B D0-B D1+B D1-B D2+B D2-B D3+B D3-B D0+A D0-A D1+A D1-A D2+A D2-A D3+A D3-A D0+B D0-B D1+B D1-B D2+B D2-B D3+B D3-B
Pre-emphasis and Output Swing Control Circuitry
D0+ D0D1+ D1D2+ D2D3+ D3-
Pre-emphasis and Output Swing Control Circuitry
MS VDD GND D0+ D0VDD D1+ D1D2+ D2VDD D3D3GND
56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 1 41 2 40 3 39 4 38 5 37 6 36 7 GND 35 8 34 9 33 10 32 11 31 12 30 13 29 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 D2-B GND D3+B D3-B VDD AGND AVDD GND SDA/S2 SCL/S3 NC Test_out SEL_OUT VDD
GND D2+A D2-A GND D3+A D3-A VDD D0+B D0-B GND D1+B D1-B GND D2+B
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Receiver Equalization
Control Logic
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
Function Block Description
VDD
50 50
Maximum Ratings (Above which useful life may be impaired. For user guidelines, not tested.)
+y(2)
Dx+ TMDS Receiver with EQ Dx - (1) TMDS Driver
Dx
Dx
-y
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 2. Y = A,B
Pin Description
Pin # 2, 6, 11, 15, 22, 24, 36, 48 3, 14, 21, 23, 27, 30, 33, 39, 42, 45, 53 16 Pin Name VDD GND SEL_Out I/O Description
Power 3.3V power supply Power 0V power supply O Output bit, that provides information to user as to which port is active, if SEL_ OUT = `LOW', then Port A is active, if SEL_OUT = `HIGH', then Port B is active. Only used when MS pin is `HIGH' I2C Clock Input Signal I2C Data Input/Output Signal No Connect. 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. Pins 49-52 are control pins only for Port A, S4-S7 and pin 19 is S2 and pin 20 is S3. If 'MS' = "LOW", Port B cannot be configured and is left as default. Output port select. (Logically similar to I2C bit S1 - see page 3) Input pin for internal testing. Tie to GND for normal operation Output is enabled and normal when OE = `HIGH'. If OE = `LOW', both outputs, A and B, are disabled and at Hi-Z Output pin for internal testing. Not used for normal operation 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 port A 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
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19 20 18 1
SCL SDA NC MS
I I/O N/A I
55 54 56 17 4, 5, 7, 8, 9, 10, 12, 13 28, 29, 31, 32, 34, 35, 40, 41, 43, 44, 46, 47, 25, 26, 37, 38 49,50, 51, 52 49,50, 51, 52 19 20
SEL_IN Test_in OE Test_Out Dx Dx y A0, A1, A2, A3 S4, S5, S6, S7 S3 S2
I I I O I O I I I I
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
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 A control and input control)
Port A and Input Control Swing Control S7 0 0 0 0 Pre-Emphasis 0 0 0 0 De-Emphasis 1 1 1 1 Output Port Select x x x Equalization (dB) x x x x S6 0 0 0 0 1 1 1 1 0 0 0 0 x x x x x x x S5 0 0 1 1 0 0 1 1 0 0 1 1 x x x x x x x S4 0 1 0 1 0 1 0 1 0 1 0 1 x x x x x x x S3 x x x x x x x x x x x x x x x 0 0 1 1 S2 x x x x x x x x x x x x x x x 0 1 0 1 S1 x x x x x x x x x x x x 0 1 x x x x x S0 x x x x x x x x x x x x 1 1 0 x x x x Result Swing (mV) Pre-emphasis (dB) De-emphasis (dB) 500 0 0 750 1000 N/A 500 500 500 500 750 750 750 750 0 0 N/A 0 1.5 3.5 6.0 0 0 0 0 0 0 N/A 0 0 0 0 0 -1.5 -3.5 -6.0 Port A is active Port B is active Port A = Hi-Z 1 3.5 6 8
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
BYTE 3 (2nd Data byte - Port B control)
Port B Control only Swing Control S7 0 0 0 0 Pre-Emphasis 0 0 0 0 De-Emphasis 1 1 1 1 Output Port Select x x x S6 0 0 0 0 1 1 1 1 0 0 0 0 x x x S5 0 0 1 1 0 0 1 1 0 0 1 1 x x x S4 0 1 0 1 0 1 0 1 0 1 0 1 x x x S3 x x x x x x x x x x x x x x x S2 x x x x x x x x x x x x x x x S1 x x x x x x x x x x x x 0 1 x S0 x x x x x x x x x x x x 1 1 0 Result Swing (mV) Pre-emphasis (dB) De-emphasis (dB) 500 0 0 750 1000 N/A 500 500 500 500 750 750 750 750 0 0 N/A 0 1.5 3.5 6.0 0 0 0 0 0 0 N/A 0 0 0 0 0 -1.5 -3.5 -6.0 Normal TEST MODE Port B = Hi-Z
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
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 AVDD -300mV VICM < AVDD -37.5mV or AVDD 10% AVDD 10mV 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 3.3V 5% 50 Ohm 10% 3.30 5% 45 to 55 Ohm HDMI 1.3 Spec Pericom TMDS Product Spec
(AVDD - 600mV) VL (AVDD - 400mV) (AVDD - 600mV) VL (AVDD - 400mV) 400mV Vswing 600mV 400mV Vswing 600mV AVDD 10mV | IOFF | < 10uA AVDD 10mV | IOFF | <10uA
Sink DC Characteristics When Source Disabled or Disconnected at TP2 Differential Voltage Level
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
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 Paramter Rise time/fall time (20% - 80%) Overshoot Undershoot Intra-Pair Skew at Source Connector Inter-Pair Skew at Connector Clock duty cycle Through connection impedance TMDS differential clock Jitter At Termination impedance 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 90 100 1.0 1.0 25 5 5 1 1 40% 85 50% 100 Test Conditions(1) Min. 75 Typ.(2) Max. 240 15% of Vswing * 2 25% of Vswing * 2 60 100 60% 115 82 110 ps ps 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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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
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
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity Application Information (Please see application note for important design information.) DISPLAY : Projector or Monitor DISPLAY : Projector or Monitor DVI/HDMI
TMDS
DISPLAY : Projector or Monitor DISPLAY : Projector or Monitor
Connector
Connector Connector
8
8
TMDS
DVI
PI3HDMI412AD
TMDS
GPU Docking Station Laptop DVI TP2 (Tx) Compliance Test Setup
Agilent 54855A Oscilloscope
Recovered Clock
18 SMA cable Agilent N4902B pattern generator
data + - clock
12 SMA cable DVI input port P1
DVI data 2 1 trace
DVI data2 Agilent 1134A differential probe TP2
PI3DBV40A PI3HDMI1412AD
50ohm Termination to 3.3V DVI output port P3
PI3HDMI412AD DEMO BOARD
10 trace
DVI data2 1 trace
DVI ouput port P2
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
Pre-Emphasis Validation
Measured at ouput DVI port, P3; Right eye is with pre-emphasis, left eye is without pre-emphasis
De-Emphasis Validation
Measured at ouput DVI port, P3; Right eye is with de-emphasis, left eye is without de-emphasis
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PI3HDMI412AD 1:2 Active HDMI Rev. 1.3 Compatible DeMux with Advanced Re-Driver Functionality for Enhanced Signal Integrity
Ordering Information
Ordering Code PI3HDMI412ADZBE
Notes:
Package Code ZB
Package Description 56-pin, Pb-free & Green TQFN
* 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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