CM2021
HDMI Receiver Port Protection and Interface Device
Features
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•
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0.05pF matching capacitance between the TMDS
intra-pair
Level shifting circuitry, including
±8kV
ESD protec-
tion on all TMDS lines
Matched 0.5mm trace spacing (TSSOP)
Simplified layout for HDMI connectors
Backdrive protection
Product Description
The CM2021 HDMI Receiver Port Protection and Inter-
face Device is specifically designed for next generation
HDMI Host interface protection.
An integrated package provides all ESD, level shift and
backdrive protection for an HDMI port in a single 38-
Pin TSSOP package.
The CM2021 part is specifically designed to comple-
ment the CM2020 protection part in HDMI receivers
(Displays, CE devices, etc.)
Applications
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•
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PC
Consumer Electronics
Set Top Box
Displays and Digital Television
Electrical Schematic
TMDS_BYP
5V_SUPPLY
TMDS_D2+
TMDS_GND
TMDS_D2-
TMDS_D1+
TMDS_GND
TMDS_D1-
TMDS_D0+
TMDS_GND
TMDS_D0-
TMDS_CK+
TMDS_GND
TMDS_CK-
3.3V SUPPLY
TMDS_BYP
3.3V SUPPLY
TMDS_BYP
CE_REMOTE_IN
CE_REMOTE_OUT
DDC_DAT_IN
DDC_DAT_OUT
3.3V SUPPLY
TMDS_BYP
3.3V SUPPLY
TMDS_BYP
DDC_CLK_IN
DDC_CLK_OUT
HOTPLUG_DET_IN
HOTPLUG_DET_OUT
©
2005 California Micro Devices Corp. All rights reserved.
03/22/05
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
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Tel: 408.263.3214
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Fax: 408.263.7846
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www.calmicro.com
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