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Pericom Semiconductor

PI3HDMI412-A Datasheet Preview

PI3HDMI412-A Datasheet

DVI/HDMI Compliant Signal Switch

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COMPANY CONFIDENTIAL
PI3HDMI412-A
4-Differential Channel, 2:1 Mux/DeMux, DVI/HDMI Compliant
Signal Switch based on TMDS Signaling Standard
Features
• 4-Differential Channel 2:1 Mux/DeMux
• TMDS Signaling
• Data Rate: 1.65Gbps
• Crosstalk: -25dB@825MHz
• Switching speed: 4ns
• Isolation: -30dB@825MHz
• ESD: Data bits @ 8kV HBM, select bit @ 2 kV HBM
• Near-Zero Prop Delay: 250ps max.
• Low bit-to-bit skew
• Hot insertion capable
• Enable/Disable Time: 9ns
• Bidirectional
• Packaging (Pb-free & Green):
- 42-pin TQFN (ZH)
- 48-pin BQSOP (B)
Description
Pericom Semiconductor’s PI3HDMI series of switch circuits are
targeted for high-resolution video networks that are based on DVI/
HDMI standards, andTMDS signal processing.The PI3HDMI412-A
is a 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 maximum DVI/HDMI data rate of 1.65Gbps 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.
Because of its passive bidirectional feature, this switch can be
used either at the video drivers side or at the receiver side. For PC
graphics applications, the device sits at the drivers side to switch
between multiple display units such as PC LCD monitor, projector,
TV, etc. For consumer video applications, the device sits at the
receiver end to switch between the source components such as
DVD, D-VHS, STB, etc.
Block Diagram
Pin Descriptions (Top View)
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VSS
VDD
VSS
VSS
C0+
C0-
VSS
VDD
C1+
C1-
VSS
VDD
SEL
VSS
C2+
C2-
VDD
VSS
C3+
C3-
VSS
VSS
VDD
VSS
42-pin TQFN
1
1 48 VDD
2 47 VSS
3 46 C0+A
4 45 C0-A
5 44 C1+A
6 43 C1-A
7 42 VSS
8 41 C0+B
9 40 C0-B
10 39 C1+B
11 38 C1-B
12 37 VSS
13 36 VDD
14 35 C2+A
15 34 C2-A
16 33 C3+A
17 32 C3-A
18 31 VSS
19 30 C2+B
20 29 C2-B
21 28 C3+B
22 27 C3-B
23 26 VSS
24 25 VDD
48-pin BQSOP
PS8814
02/08/06




Pericom Semiconductor

PI3HDMI412-A Datasheet Preview

PI3HDMI412-A Datasheet

DVI/HDMI Compliant Signal Switch

No Preview Available !

COMPANY CONFIDENTIAL
PI3HDMI412-A
4-Differential Channel, 2:1 Mux/DeMux, DVI/HDMI
Compliant Signal Switch based on TMDS Signaling Standard
Truth Table
Function
N to NA
N to NB
SEL
L
H
Pin Description
Pin #
Pin
Name
Description
5, 8, 13, 18, 20, 30,
40, 42
VDD + Power supply 3.30
1, 4, 10, 14, 17, 19,
21, 39, 41
VSS - Power supply
9 SEL Select pin, see truth table
2, 3, 6, 7, 11, 12, 15,
16, 31-38, 22-29
CXtx Data + Clk bits for TMDS signal
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Storage Temperature....................................–65°C to +150°C
Supply Voltage to VSS Potential...............–0.5V to +2.5V
DC Input Voltage ...............................................VSS to VDD
DC Output Current......................................................120mA
Power Dissipation...........................................................0.5W
Note:
Stresses greater than those listed under MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and func-
tional 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
Description
VDD
Positive Power Supply
VSS 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 = –40°C to +85°C)
Paramenter
Description
Test Conditions
Min.
Typ(2)
Max.
VIH(3)
VIL(3)
VIK
IIH
Input HIGH Voltage
Input LOW Voltage
Clamp Diode Voltage
Input HIGH Current
Guaranteed HIGH level
Guaranteed LOW level
VDD=Max., IIN=–18mA
VDD=Max., VIN=VDD
0.65(VDD-VSS)+VSS
–0.5+VSS
–0.7+VSS
0.35(VDD-VSS)+VSS
–1.2+VSS
±5
IIL Input LOW Current VDD=Max., VIN=VSS
±5
Units
V
µA
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 = 25°C ambient and maximum loading.
3. VIH + VIL are for SEL input only.
2
PS8814
02/08/06


Part Number PI3HDMI412-A
Description DVI/HDMI Compliant Signal Switch
Maker Pericom Semiconductor
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