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PDF CM1225 Data sheet ( Hoja de datos )
| Número de pieza | CM1225 | |
| Descripción | 4-Channel Low Capacitance ESD Protection Arrays | |
| Fabricantes | ON Semiconductor | |
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4-Channel Low Capacitance ESDwww.DataSheet4U.com
Protection Arrays
CM1225
Features
• Four channels of ESD protection
• Provides ESD protection to IEC61000-4-2 Level 4
• ±8kV contact discharge
• Low channel input capacitance of 0.8pF (typically)
• Channel input capacitance matching (I/O to I/O) of
0.02pF (typically) is ideal for differential signals
• Minimal capacitance change for temperature and
voltage
• Zener diode eliminates the need for external bypass
capacitors
• Each I/O pin can withstand over 1000 ESD strikes*
• Available in a RoHS compliant (lead-free) package
Applications
• HDMI ports, DVI ports in notebooks, set top boxes,
digital TVs, and LCD displays
• Display and MDDI ports
• Serial ATA ports in desktop PCs and hard disk
drives
• PCI Express ports
• USB2.0 ports at 480Mbps in desktop PCs,
notebooks and peripherals
• IEEE1394 FireWire ports at 400Mbps / 800Mbps
• General purpose high-speed data line ESD
protection
• Protection of interface ports or IC pins which are
exposed to high ESD levels
Product Description
The CM1225 diode array has been designed to provide
ESD protection for electronic components or
subsystems requiring minimal capacitive loading. This
device is ideal for protecting systems with high data and
clock rates or for circuits requiring low capacitive
loading. Each ESD channel consists of a pair of diodes
in series which steer the positive or negative ESD
current pulse to the ground pins (VN). A Zener diode is
embedded between the positive terminal of the diode
pair to the ground. This eliminates the need for an
external bypass capacitor to absorb positive ESD strikes
to ground. The CM1225 protects against ESD pulses up
to ±8kV per the IEC 61000-4-2 standard.
The CM1225 is particularly well-suited for protecting
systems using high-speed ports such as HDMI, DVI,
display, MDDI, USB 2.0, Serial ATA, IEEE1394
(FireWire and i.LINK), corresponding ports in removable
storage, digital camcorders, DVD-RW drives and other
applications where extremely low loading capacitance
with ESD protection are required in a small package
footprint.
The CM1225 is available in a RoHS-compliant, uUDFN
10-pin package.
*Standard test condition is IEC61000-4-2 level 4 test circuit with each pin subjected to ±8kV contact discharge for 1000 pulses. Discharges are timed at 1 second intervals and all 1000 strikes are completed in one
continuous test run. The part is then subjected to standard production test to verify that all of the tested parameters are within spec after the 1000 strikes.
©2010 SCILLC. All rights reserved.
April 2010 – Rev. 2
Publication Order Number:
CM1225/D
1 page  
4-Channel Low Capacitance ESDwww.DataSheet4U.com
Protection Arrays
CM1225
Performance Information
Input Channel Capacitance Performance Curves
©2010 SCILLC. All rights reserved.
April 2010 – Rev. 2
Publication Order Number:
CM1225/D
5 Page 
4-Channel Low Capacitance ESDwww.DataSheet4U.com
Protection Arrays
CM1225
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any
products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising
out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical”
parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating
parameters, including “Typicals” must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the
rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to
support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or
use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors
harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such
unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action
Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
P.O. Box 5163, Denver, Colorado 80217 USA
Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada
Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada
Email: [email protected]
N. American Technical Support: 800-282-9855
Toll Free USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81-3-5773-3850
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your
local Sales Representative
©2010 SCILLC. All rights reserved.
April 2010 – Rev. 2
Publication Order Number:
CM1225/D
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet CM1225.PDF ] | |
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