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PI3HDMI412FT-A
2:1 Mux/DeMux High Bandwidth (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Features
* * * * * * * * * * * * 4-Differential Channel 2:1 Mux/DeMux HDMI 1.1, 1.2, and 1.3 compatible Allowable Data Rate: > 5.0 Gbps Supports both AC coupled and DC coupled signals Switching speed: 4ns Isolation: -40dB @ 2.0 Gbps Crosstalk: -31dB @ 2.0 Gbps ESD: Data bits @ 8kV contact, select bit @ 2kV HBM Low bit-to-bit skew Enable/Disable Time: 9ns Bidirectional Packaging (Pb-free & Green): -- 42-pin TQFN (ZH42) -- 48-pin BQSOP (B48)
Description
Pericom Semiconductor's PI3HDMI series of switch circuits are targeted for high-resolution video networks that are based on DVI/HDMI standards, and TMDS signal processing. The PI3HDMI412FT-A is an 8- to 4-Channel Mux/DeMux Switch. The device multiplexes differential signals to one of two corresponding outputs. The switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. It is designed for low bit-to-bit skew and high channel-to-channel noise isolation. The allowable data rate of 5.0Gbps provides the resolution required by the next generation HDTV and PC graphics. Three differential channels are used for data (video signals for DVI or audio/video signals for HDMI), and one differential channel is used for Clock for decoding the TMDS signals at the outputs. Due to its integrated pull-up resistors, the product has been designed specifically for applications where the part is used as a 2 to 1 mux, not 1 to 2 demux. Therefore, Pericom only recommends the part to be used as a 2 to 1 mux when dealing with HDMI signals. Even though the passive circuitry does not eliminate the bi-directional functionality, it is not ideal when used with HDMI signals. If DVI are used, either direction can be used.
Block Diagram
VDD
Pin Description
42-pin TQFN
VDD VSS VDD VSS
48-pin BQSOP
VSS VDD VSS VDD VSS D0+ D0VSS D1+ D1VSS VDD SEL VSS D2+ D2VSS D3+ D3VSS VDD VSS VDD VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 VDD VSS D0+A D0-A D1+A D1-A VSS D2+A D2-A D3+A D3-A VSS VDD D0+B D0-B D1+B D1-B VSS D2+B D2-B D3+B D3-B VSS VDD
D0+ D0D1+ D1D2+ D2D3+ D3-
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
VSS VDD D0+ D0VSS D1+ D1VDD SEL VSS D2+ D2VSS D3+ D3VDD VSS
SEL
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
42 41 40 39
VSS
38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
D0+A D0-A D1+A D1-A D2+A D2-A D3+A D3-A VDD D0+B D0-B D1+B D1-B D2+B D2-B D3+B D3-B
18 19 20 21 VDD VSS VDD VSS
VDD
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Pin Description
Pin # (BQSOP) 2, 4, 12, 21, 23, 25, 36, 48 1, 3, 5, 8, 11, 14, 17, 20, 22, 24, 26, 31, 37, 42, 47 13 6, 7, 9, 10, 15, 16, 18, 19, 27-30, 32-35, 38-41, 43-36 Pin # (TQFN) 2, 8, 16, 18, 20, 30, 40, 42 1, 5, 10, 13, 17, 19, 21, 39, 41 9 3, 4, 6, 7, 11, 12, 14, 15, 22-29, 31-38 Pin Name VDD VSS SEL Dx+/-x + CLK+/-x Description + Power supply 3.30V - Power supply Select pin, see truth table Data + Clk bits for TMDS signal
Truth Table
SEL L H Function Dx DxA + DxB pullups are active Dx DxB+ DxA pullups are active
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.) Storage Temperature...........................................................-65C to +150C Supply Voltage to VSS Potential............................................-0.5V to +2.5V DC Input Voltage ..............................................................0V to VDD+0.5V DC Output Current.............................................................................120mA
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.
DC Power Supply Characteristics
Paramenter VDD VSS Description Positive Power Supply Negative Power Supply Min. 3.0 1.5 Max. 3.6 1.6 Units V V
DC Electrical Characteristics for Switching over Operating Range (TA = -40C to +85C)
Paramenter VIH(3) VIL(3) VIK IIH IIL Description Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Test Conditions (1) Guaranteed HIGH level Guaranteed LOW level VDD=Max., VIN=VDD VDD=Max., VIN=VSS Min. 0.65(VDD-VSS)+VSS -0.5+VSS -0.7+VSS 0.35(VDD-VSS)+VSS -1.2+VSS 5 5 A V Typ.(2) Max. Units
Clamp Diode Voltage VDD=Max., IIN=-18mA
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at TA = 25C ambient and maximum loading. 3. VIH & VIL are for SEL input only.
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Power Supply Characteristics
Parameters ICC Description Quiescent Power Supply Current Test Conditions(1) VDD = Max., VIN = VDD or VSS Min. Typ.(2) 300 Max. 400 Units A
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at TA = 25C ambient and maximum loading.
Switching Characteristics (TA= -40 to +85C, VSS=0V, VDD=1.8V 10%)
Paramenter tPZH, tPZL tPHZ, tPLZ Line Enable Time - SEL to Line Disable Time - SEL to N Description NA, NB(1) NB(1)
A,
Min. 0.5 0.5
Max. 8.0 4.0
Units ns
Notes: 1. For measurement setup, please see "Test Circuit For Electrical Characteristic" on page 8, and "Switching waveforms" on page 9
Dynamic Electrical Characteristics Over the Operating Range (TA= -40 to +85C)
Parameter XTALK OIRR BW Description Crosstalk OFF Isolation -3dB BW @ 1.65 Gbps Insertion Loss @ 2.0 Gbps @ 2.5 Gbps @ 3.3 Gbps Test Conditions See Fig. 1 for Measurement Setup, @ 2.0 Gbps See Fig. 2 for Measurement Setup, @ 2.0 Gbps Min. Typ. -31 dB -40 2.7 -0.87 -0.95 -1.18 -1.85 dB GHz Max. Units
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
HP4396B S HP11667A 50-ohm 50-ohm 50-ohm R
PI3HDMI412FT-A
100 -ohm
T
100 -ohm
Fig 1. Crosstalk Setup
HP4396B S HP11667A 50-ohm 50-ohm 50-ohm
100 -ohm
R
T
PI3HDMI412FT-A
Fig 2. Off-isolation setup
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Fig 3. Crosstalk
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Fig 4. Off Isolation
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Fig 5. Insertion Loss
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Application Measurements
Fig 6. TMDS TP3 Rx eye compliance Test Setup
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Fig 7. TP3 (Rx) with 2-meter cable eye measurements
(Right eye is with no switch. Left eye is with switch.)
Test Circuit for Electrical Characteristics
2 x VDD VDD 200-ohm Pulse Generator VIN D.U.T RT VOUT 4pF CL 200-ohm
Notes: 1. CL = Load capacitance: includes jig and probe capacitance. 2. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator 3. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. 4. All input impulses are supplied by generators having the following characteristics: PRR MHz, ZO = 50, tR 2.5ns, tF 2.5ns. 5. The outputs are measured one at a time with one transition per measurement.
Switch Positions
Test tPLZ, tPZL tPHZ, tPZH Prop Delay
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Switch 2 x (VDD - VSS) VSS Open
9
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Test Circuit for Dynamic Electrical Characteristics
S1
HP4396B or Equivalent
R1
T1
PI3HDMI412FT-A
HP11667A
Switching Waveforms
SEL VDD/2 tPZL VDD/2 0V Output tPLZ VOH VDD
VDD/2
tPZH tPHZ
VOL + 0.15V VOH - 0.15V
VOL VOH VOL
VDD/2
Output
Voltage Waveforms Enable and Disable Times
3.3V PI3HDMI412FT-A 1.8k-ohm 3.3V
Select Line
1.5k-ohm Select Line
1.5V
Example of a circuit that also needs to be connected to the select lines of the PI3HDMI412FT-A
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
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PI3HDMI412FT-A 2:1 Mux/DeMux High BW (> 5 Gbps) HDMI 1.3 Compliant Signal Switch
Ordering Information
Ordering Code PI3HDMI412FT-AZHE PI3HDMI412FT-ABE Package Code ZH B Package Description Pb-free & Green, 42-pin TQFN Pb-free & Green, 48-pin BQSOP
Notes: * Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ * E = Pb-free and Green * Adding X suffix = Tape/Reel
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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