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PRELIMINARY CM2010 VGA Port Protection with Integrated Sync Buffers
Features
* * * * * * 3 channels of ESD protection for RGB output pins meeting IEC-61000-4-2 Level 4 ESD requirements (8kV contact discharge) Very low loading capacitance from ESD protection diodes on VIDEO lines, 4pF typical 3.3/5V 24mA buffer drivers for HSYNC and VSYNC lines VESA Video Signal Standard (VSIS) - Version 1, Rev. 2 Compatible Outputs Compact 10-lead MSOP package Lead-free version available
Product Description
The CM2010 connects between a video graphics controller, embedded in a PC or in a graphics adapter card, and the VGA port connector. The CM2010 integrates ESD protection for 3 VGA output signals implemented with low-capacitance current steering diodes such that an ESD pulse is diverted into either the positive supply rail or ground, where it may be safely dissipated. All ESD diodes are designed to safely handle the high current spikes specified by IEC61000-4-2 Level 4 ESD (8kV contact discharge). Two 24mA non-inverting drivers provide buffering for the HSYNC and VSYNC signals from the video controller IC (SYNC1, SYNC2). These buffers accept low voltage input levels and convert them to CMOS output levels that swing between Ground and VCC_SYNC, which is typically 5V for Legacy VESA compatibility, but can be operated at 3.3V. Additionally, the output impedance of the drivers can be discretely adjusted via external series termination resistors (RT) for maximum flexibility. The output impedance of the drivers can be adjusted over a wide range from 15 to over 100. The CM2010 is supplied in a 10-lead MSOP package and is available with optional lead-free finishing.
Applications
* VGA and DVI-I ports in: - Desktop and Notebook PCs - Graphics Cards - Set Top Boxes
Simplified Electrical Schematic
VCC_VIDEO
2
VCC_SYNC
1 3 4 5
VIDEO_1 VIDEO_2 VIDEO_3
SYNC_IN2 SYNC_IN1
9 7
10 8
SYNC_OUT2 SYNC_OUT1
GND
6
(c) 2004 California Micro Devices Corp. All rights reserved. 09/10/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
Tel: 408.263.3214
Fax: 408.263.7846
www.calmicro.com
1
PRELIMINARY CM2010
PACKAGE / PINOUT DIAGRAM
TOP VIEW
VCC_SYNC VCC_VIDEO VIDEO_1 VIDEO_2 VIDEO_3 1 2 3 4 5 10 9 8 7 6 SYNC_OUT2 SYNC_IN2 SYNC_OUT1 SYNC_IN1 GND
10-PIN MSOP
Note: This drawing is not to scale.
Ordering Information
PART NUMBERING INFORMATION
Standard Finish Pins 10 Package MSOP Ordering Part Number1 CM2010-02MS Part Marking 2010 02MS Lead-free Finish Ordering Part Number1 CM2010-02MR Part Marking 2010 02MR
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Pin Descriptions
PIN DESCRIPTIONS
LEAD(s) 1 2 3 4 5 6 7 8 9 10 NAME VCC_SYNC VCC_VIDEO VIDEO_1 VIDEO_2 VIDEO_3 GND SYNC_IN1 SYNC_OUT1 SYNC_IN2 SYNC_OUT2 DESCRIPTION This is an isolated supply input for the SYNC_1 and SYNC_2 level shifters and their associated ESD protection circuits. This is a supply pin specifically for the VIDEO_1, VIDEO_2 and VIDEO_3 ESD protection circuits. Video signal ESD protection channel. This pin is typically tied one of the video lines between the VGA controller device and the video connector. Video signal ESD protection channel. This pin is typically tied one of the video lines between the VGA controller device and the video connector. Video signal ESD protection channel. This pin is typically tied one of the video lines between the VGA controller device and the video connector. Ground reference supply pin. Sync signal buffer input. Connects to the VGA controller side of one of the sync lines. Sync signal buffer output. Connects to the video connector side of one of the sync lines. Sync signal buffer input. Connects to the VGA controller side of one of the sync lines. Sync signal buffer output. Connects to the video connector side of one of the sync lines.
(c) 2004 California Micro Devices Corp. All rights reserved.
2
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
Tel: 408.263.3214
Fax: 408.263.7846
www.calmicro.com
09/10/04
PRELIMINARY CM2010
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER VCC_VIDEO and VCC_SYNC Supply Voltage Inputs ESD Clamp Diode Forward DC Current (applies only to SYNC drivers) DC Voltage at any channel Input Operating Temperature Range Storage Temperature Range RATING 6.0 8 [GND - 0.5] to [VCC + 0.5] -40 to +85 -40 to +150 UNITS V mA V C C
ELECTRICAL OPERATING CHARACTERISTICS (SEE NOTE 1)
SYMBOL ICC PARAMETER VCC Supply Current CONDITIONS VCC_SYNC = 5V; SYNC inputs at GND or VCC_SYNC; SYNC outputs unloaded VCC_SYNC = 5V; SYNC inputs at 3.0V; SYNC outputs unloaded VF VIH VIL VOH Diode Forward Voltage Logic High Input Voltage Logic Low Input Voltage Logic High Output Voltage IF = 10mA VCC_SYNC = 5.0V; Note 2 VCC_SYNC = 5.0V; Note 2 IOH = 8mA, VCC_SYNC = 3.0V; Note 2 IOH = 12mA, VCC_SYNC = 5.0V; Note 2 IOH = 24mA, VCC_SYNC = 5.0V; Note 2 VOL Logic Low Output Voltage IOL = 8mA, VCC_SYNC = 3.3V; Note 2 IOL = 12mA, VCC_SYNC = 5.0V; Note 2 IOL = 24mA, VCC_SYNC = 5.0V; Note 2 ROUT IIN SYNC Driver Output Resistance Input Current VIDEO Inputs SYNC_IN1, SYNC_IN2 Inputs CIN_VID tPLH tPHL tR, tF VESD VCL VIDEO Input Capacitance SYNC Driver L => H Propagation Delay SYNC Driver H => L Propagation Delay SYNC Driver Output Rise & Fall Times ESD Withstand Voltage VCC_SYNC = 5.0V; SYNC Inputs at GND or 3.0V VCC_VIDEO = 5.0V; VIN = VCC_VIDEO or GND; TA=25C VCC_SYNC = 5.0V; VIN = VCC_SYNC or GND; TA=25C VCC_VIDEO = 5.0V; VIN = 2.5V; = 1MHz; Note 4 VCC_VIDEO = 2.5V; VIN = 1.25V; = 1MHz; Note 4 CL = 10pF; VCC = 5.0V; Input tR and tF 5ns CL = 10pF; VCC = 5.0V; Input tR and tF 5ns CL = 10pF; VCC = 5.0V; Input tR and tF 5ns; Notes 2, 4 & 5 VCC_VIDEO = VCC_SYNC = 5V; Notes 3, 4 8 15 1 1 4.0 4.5 12 12 3 2.0 2.0 2.0 0.8 0.8 0.8 1.5 0.5 MIN TYP MAX UNITS 50 2.0 1.0 A mA V V V V V V V V V A A pF pF ns ns ns kV
Clamping Voltage during ESD Discharge Notes 3 and 4 MIL-STD-883 (Method 3015), 8kV Positive Transients Negative Transients
+13 -13
V V
Note 1: All parameters specified over standard operating conditions unless otherwise noted. Note 2: These parameters apply only to the SYNC drivers. Note 3: Per the IEC-61000-4-2 International ESD Standard, Level 4 contact discharge method. BYP, VCC must be bypassed to GND via a low impedance ground plane with a 0.22F, low inductance, chip ceramic capacitor at each supply pin. ESD pulse is applied between the applicable pins and GND. ESD pulses can be positive or negative with respect to GND. Applicable pins are: VIDEO_1, VIDEO_2 and VIDEO_3. All other pins are ESD protected to the industry standard 2kV Human Body Model (MIL-STD-883, Method 3015). Note 4: This parameter is guaranteed by design and characterization. Note 5: Rise and fall times measured between 0.5V and 2.4V.
(c) 2004 California Micro Devices Corp. All rights reserved. 09/10/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
Tel: 408.263.3214
Fax: 408.263.7846
www.calmicro.com
3
PRELIMINARY CM2010
Mechanical Details
MSOP Mechanical Specifications: CM2010 devices are supplied in 10-pin MSOP packages. Dimensions are presented below. For complete information on the MSOP-10 package, see the California Micro Devices MSOP Package Information document. Mechanical Package Diagrams
TOP VIEW
D
10 9 8 7 6
PACKAGE DIMENSIONS
Package Pins Dimensions A A1 B C D E e H L # per tube # per tape and reel 2.90 2.90 4.76 0.40 Millimeters Min 0.75 0.05 0.18 0.18 3.10 3.10 5.00 0.70 0.114 0.114 0.187 0.0137 4000 Controlling dimension: inches
* This is an approximate number which may vary.
MSOP 10 Inches Min 0.028 0.002 0.006 Max 0.038 0.006 0.016 0.007 0.122 0.122 0.197 0.029 Max 0.95 0.15 0.40
H
E
Pin 1 Marking
1
2
3
4
5
SIDE VIEW
A
SEATING PLANE
A1 B e
END VIEW
0.50 BSC
0.0196 BSC
80 pieces*
C
L Package Dimensions for MSOP-10
(c) 2004 California Micro Devices Corp. All rights reserved.
4
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
Tel: 408.263.3214
Fax: 408.263.7846
www.calmicro.com
09/10/04

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