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參數(shù)資料
| 型號(hào)： | STDEV003A |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 3:1 TMDS / HDMI signal equalizer |
| 中文描述： | 3:1的TMDS / HDMI信號(hào)均衡器 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大小： | 90K |
| 代理商： | STDEV003A |
Data Brief
For further information contact your local STMicroelectronics sales office.
September 2007
Rev 1
1/3
3
STDVE003A
3:1 TMDS / HDMI signal equalizer
Features
■
Compatible with HDMI v1.3 digital interface
■
Conforms to the TMDS voltage standard on
input and output channels
■
340 MHz maximum clock speed operation
enabling up to 3.4 Gbps data rate per channel
■
Integrated open-drain I
2
C buffer for DDC lines
■
5.3 V tolerant I
2
C I/O with 0 to 400 kHz
frequency
■
Ultra low capacitance of the channels
■
Equalizer regenerates the incoming attenuated
TMDS signal
■
Buffer drives the TMDS outputs over long PCB
track lengths
■
Very low output skew and jitter
■
Tight input thresholds reduce bit error rates
■
On-chip 50
Ω
input termination
■
Integrated fail-safe feature sets outputs to
known state for un-driven inputs
■
Available in TQFP80 package footprint with
flow-through pin-out
■
-40°C to 85°C operating temperature range
■
Evaluation kit and samples are available
Description
The STDVE003A integrates a 4-channel 3.4 Gbps
TMDS equalizer and a 3:1 switch to select one of
the three HDMI ports. The three input HDMI ports
can be either external ports or internal sources.
High-speed data paths and flow-through pin-out
minimize internal device jitter and simplify board
layout. The equalizer overcomes ISI jitter effects
from lossy cables. The buffer/driver on the output
can drive the TMDS output signals over long
distances. In addition to this, STDVE003A
integrates the 50
Ω
termination resistor on all
input channels to improve performance and
reduce board space. The device can be put in a
low-power mode by disabling the output current
drivers.
The STDVE003A is ideal for advanced HDTV
applications demanding HDMI deep colour (16-
bit) superior image quality. The switch preserves
the signal integrity to pass the stringent HDMI
compliance requirements.
TQFP80
Table 1.
Device summary
Order code
Operating temperature
Package
Packaging
STDEV003A
-40°C to 85°C
TQFP80
Tape and Reel
www.st.com
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