ISL54105A
Key Features
®
Data Sheet
June 4, 2008
FN6716.0
TMDS Regenerator
Features
The ISL54105A is a high-performance TMDS timing
regenerator containing a programmable equalizer and a
clock data recovery (CDR) function for each of the 3 TMDS
pairs in an HDMI or DVI signal. The TMDS data outputs of
the ISL54105A are regenerated and perfectly aligned to the
regenerated TMDS clock signal, creating an extremely
clean, low-jitter DVI/HDMI signal that can be easily
decoded by any TMDS receiver.
• Clock Data Recovery and Retiming
• Programmable pre-emphasis on output driver
• Programmable internal 50Ω, 100Ω, or high-Z termination
• Stand-alone or I2C software-controlled operation
• 72 lead, 10mm x 10mm QFN package
• Pb-free (RoHS compliant)
Applications
The ISL54105A can be used as a cable extender, to clean
up a noisy/jittery TMDS source, or to provide a very stable
TMDS signal to a finicky DVI or HDMI receiver.
• DVI/HDMI extenders
• Televisions/PC monitors/projectors
Block Diagram
2
2
TERMINATION
RXC
PLL
TXC
TX0
CH0
CH1
CH2
2
D
2
2
2
CDR
CDR
CDR
RX0
RX1
RX2
CK
D
TERMINATION AND
EQUALIZATION
2
2
FIFO
TX1
TX2
CK
D
CK
RES_TERM
RES_BIAS
BIAS GENERATION
SDA
SCL
7
ACTIVITY
DETECT
ADDR
CONFIGURATION AND CONTROL
PD
RESET
Ordering Information
PART NUMBER
TEMP. RANGE (°C)
0 to +70
PACKAGE
72 Ld QFN (Pb-Free)
PKG. DWG. #
ISL54105ACRZ
L72.10x10B
NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100%
matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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