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PDF HDMIULC6-2x6 Data sheet ( Hoja de datos )
| Número de pieza | HDMIULC6-2x6 | |
| Descripción | Ultra low capacitance ESD protection | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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HDMIULC6-2x6
Ultra large bandwidth ESD protection
Features
■ 2-line ESD protection (at 15 kV air and contact
discharge, exceeds IEC 61000-4-2)
■ Ultra low capacitance: 0.6 pF @ 825 MHz
■ Ultra high bandwidth - no influence on signal
rise and fall times - maximised number of signal
harmonics
■ Very low leakage current: 0.5 µA max.
■ Fast response time compared with varistors
■ Protects VBUS when applicable
■ RoHS compliant
Benefits
■ ESD standards compliance guaranteed at
device level, thus greater immunity at system
level
■ ESD protection of VBUS when applicable.
■ High efficiency due to low residual voltage
when confronted by an ESD surge
■ Large bandwidth to minimize impact on data
signal quality
■ Consistent D+ / D- signal balance:
– Ultra low impact on intra- and inter-pair
skew
– Matching high bit rate HDMI requirements
and ready for future evolution
■ Low PCB space occupation - 1.45 mm2
for µQFN
■ Low leakage current for longer operation of
battery powered devices
■ Higher reliability offered by monolithic
integration
■ 500 µm pitch for µQFN 6 leads
µQFN (pin view)
HDMIULC6-2M6
SOT-666
HDMIULC6-2P6
Complies with these standards
■ IEC 61000-4-2 level 4
– 15 kV air discharge
– 8 kV contact discharge
■ MIL STD883G-Method 3015-7
Applications
■ HDMI ports at 1.65 Gb/s and up to 3.2 Gb/s
■ IEEE 1394a, b, or c up to 3.2 Gb/s
■ USB 2.0 ports up to 480 Mb/s (Hi-Speed)
■ Ethernet port: 10/100/1000 Mb/s
■ Video line protection
Description
The HDMIULC6-2x6 is a monolithic, application
specific discrete device dedicated to ESD
protection of the HDMI connection. It also offers
the same high level of protection for IEEE 1394a
and IEEE 1394b/c, USB 2.0, Ethernet links, and
video lines.
Its ultra high cutoff frequency (5.9 GHz) secures a
high level of signal integrity. The device topology
provides this integrity without compromising the
complete protection of ICs against the most
stringent ESD strikes.
May 2008
Rev 1
1/17
www.st.com
1 page  
HDMIULC6-2x6
2 Application examples
Application examples
www.datasheet4u.com
Figure 12. HDMI single link application
Host
(Set Top Box,
DVD player, PC)
Tx0-
Tx0+
TMDS
transmitter
video Tx1-
audio
Multimedia
controller
Ctrl /
status
Tx1+
Tx2-
Tx2+
1
2
3
1
2
3
1
2
3
6
5
4
6
5
4
6
5
4
HHDDMMII
HDMI connectors
HDMIULC6-2PM66
CEC
SCL
Vcc 5V
SDA
HPD
TC-
TC+
1
2
3
6
5
4
TMDS links
oHHrDDUMMSIIUUBLLLCCC666---444SSSCCC666
Control links
Figure 13. T1/E1/Ethernet protection
Display
1
6
Rx0-
(TV, flat panel,
25
monitor,
3 4 Rx0+ projector)
TMDS
receiver
1 6 Rx1- video
25
3 4 Rx1+
audio
controller
1 6 Rx2- Ctrl /
25
status
3 4 Rx2+
1 6 RC-
25
3 4 RC+
CEC
SCL
Vcc 5V
SDA
HPD
Tx
SMP75-8
+VCC
100nF
Rx
SMP75-8
+VCC
100nF
D ATA
TRANSCEIVER
5/17
5 Page 
HDMIULC6-2x6
Recommendation on PCB assembly
4 Recommendation on PCB assembly
4.1
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Stencil opening design
1. General recommendation on stencil opening design
a) Stencil opening dimensions: L (Length), W (Width), T (Thickness)
Figure 26. Stencil opening dimensions.
L
TW
b) General Design Rule
Stencil thickness (T) = 75 ~ 125 µm
Aspect
Ratio
=
W-----
T
≥ 1.5
Aspect Area
=
-------L-----×----W-----------
2T(L + W)
≥
0.66
2. Reference design
a) Stencil opening thickness: 100 µm
b) Stencil opening for leads: Opening to footprint ratio is 90%.
Figure 27. Recommended stencil window position (µQFN only)
7 µm
7 µm
15 µm
236 µm
250 µm
15 µm
Footprint
Stencil window
Footprint
11/17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet HDMIULC6-2x6.PDF ] | |
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