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CM2021 Datasheet, PDF (1/8 Pages) California Micro Devices Corp – HDMI Receiver Port Protection and Interface Device
CM2021
HDMI Receiver Port Protection and Interface Device
Features
• 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
Applications
• PC
• Consumer Electronics
• Set Top Box
• Displays and Digital Television
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.)
Electrical Schematic
TMDS_BYP
TMDS_D2+
TMDS_GND
TMDS_D2-
TMDS_D1+
TMDS_GND
TMDS_D1-
TMDS_D0+
TMDS_GND
TMDS_D0-
TMDS_CK+
TMDS_GND
TMDS_CK-
5V_SUPPLY
3.3V SUPPLY
CE_REMOTE_IN
TMDS_BYP
3.3V SUPPLY
CE_REMOTE_OUT DDC_DAT_IN
TMDS_BYP
DDC_DAT_OUT
3.3V SUPPLY
DDC_CLK_IN
TMDS_BYP
3.3V SUPPLY
DDC_CLK_OUT HOTPLUG_DET_IN
TMDS_BYP
HOTPLUG_DET_OUT
© 2005 California Micro Devices Corp. All rights reserved.
03/22/05 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.calmicro.com 1