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PDF PI3HDMI101 Data sheet ( Hoja de datos )
| Número de pieza | PI3HDMI101 | |
| Descripción | 1:1 Active HDMI ReDriver | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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ADVANCE INFORMATION - COMPANY CONFIDENTIAL
PI3HDMI101
1:1 Active HDMI™ ReDriver™ with
Optimized Equalization & I2C Buffer
Features
• Supply voltage, VDD = 3.3V ±5%
• Support for both DVI and HDMITM signals
• Supports both AC-coupled and DC-coupled inputs
• Supports Deep ColorTM
• High Performance, up to 2.5 Gbps per channel
• 5V Tolerance on I2C path
• Integrated 50-Ohm (±10%) termination resistors at each high
speed signal input
• Rx Sense Support, CLK-off channel is switched to 250K-Ohm
pull-up vs. 50-Ohm pull-up
• Configurable output swing control
(400mV, 500mV, 600mV, 750mV, 1000mV)
• Configurable Pre-Emphasis levels
(0dB, 1.5dB, 3.5dB, & 6.0dB, 9.0dB)
• Configurable De-Emphasis
(0dB, -3.5dB, -6.0dB, -9.5dB)
• Optimized Equalization
Single default setting will support all cable lengths
• 8kV Contact ESD protection on all input/output data channels
per IEC 61000-4-2
• Hot insertion support on output high speed pins & SCL/SDA
pins only
• Propagation delay ≤ 1ns
• High Impedance Outputs when disabled
• Packaging (Pb-free & Green): 42-contact TQFN (ZH42)
Description
Pericom Semiconductor’s PI3HDMI101 1:1 active ReDriver™
circuit is targeted for high-resolution video networks that are
based on DVI/HDMITM standards and TMDS signal processing.
The PI3HDMI101 is an active ReDriver with Hi-Z outputs.
The device receives differential signals from selected video
components and drives the video display unit. 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 buffer
together with the high speed buffer 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 2.5 Gbps provides 36-
bit Deep Color™ support, which is offered by HDMI revision
1.3. The PI3HDMI101 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:
1meter to 20meters and color depths of 8bit/ch, or 12bit/ch.
Pericom also offers the ability to fine tune the equalization settings
in situations where cable length is known. For example, if 25meter
cable length is required, Pericom's solution can be adjusted to
16dB EQ to accept 25meter cable length.
09-0055
All trademarks are property of their respective owners.
1
PS8924C
10/05/09
1 page  
ADVANCE INFORMATION - COMPANY CONFIDENTIAL
PI3HDMI101
1:1 Active HDMITM Redriver with
Optimized Equalization & I2C Buffer
Complete high speed input Rx block is as follows:
EQ_S0
EQ_S1
250kΩ R2
IN_CLK+
R1
R2
150kΩ
IN_CLK-
R1
VDD
R eceiver
with E Q
IN_D0+
IN_D0-
IN_D1+
IN_D1-
IN_D2+
IN_D2-
50Ω
50Ω
VDD
50Ω
R eceiver
with E Q
VDD
50Ω
R eceiver
with E Q
50Ω
VDD
50Ω
R eceiver
with E Q
TMDS
drive
TMDS
drive
TMDS
drive
TMDS
drive
Control
OUT_CLK+
OUT_CLK-
OC_S0
OC_S1
OC_S2
OC_S3
OE
OUT_D0+
OUT_D0-
OUT_D1+
OUT_D1-
OUT_D2+
OUT_D2-
IADJ,
DDC_EN
Port
R
Buffer T
Buffer R
Port
T
All trademark0s9a-r0e0p5ro5perty of their respective owners.
5
PS8924C
10/05/09
5 Page 
ADVANCE INFORMATION - COMPANY CONFIDENTIAL
PI3HDMI101
1:1 Active HDMITM Redriver with
Optimized Equalization & I2C Buffer
TMDS output oscillation elimination
The TMDS inputs do not incorporate a squelch circuit. Therefore, we recommend the input to be externally
biased to prevent output oscillation. One pin will be pulled high to VDD with the other grounded through a
1.5K-ohm resistor as shown.
1.5Kohm
VDD
RINT RINT
TMDS
Receiver
TMDS
Driver
TMDS Input Fail-Safe Recommendation
ss RT
ss
RT
AVCC
All trademark0s9a-r0e0p5ro5perty of their respective owners.
11
PS8924C
10/05/09
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet PI3HDMI101.PDF ] | |
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