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4-Channel Low Capacitance DualVoltage ESD Protection Array CM1641
Features
* * * Three channels of low voltage ESD protection One channel of high voltage ESD protection Provides ESD protection to IEC61000-4-2 Level 4: 8kV contact discharge (Pins 1-3) 15kV contact discharge (Pin 4) * * * * * * Low channel input capacitance Minimal capacitance change with temperature and voltage High voltage zener diode protects supply rail No need for external bypass capacitors Each I/O pin can withstand over 1000 ESD strikes* RoHS compliant, lead-free finish
*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.
(c)2010 SCILLC. All rights reserved. May 2010 - Rev. 4
Publication Order Number: CM1641/D
CM1641
8-Lead uDFN
Pin Descriptions
4-CHANNEL, 8-LEAD, UDFN-8 PACKAGE
Pin 1 2 3 4 5 6 7 8 DAP Name CH1 CH2 CH3 VCC GND VN VN VN GND Type I/0 I/0 I/0 HV VDD Description LV Low-capacitance ESD Channel LV Low-capacitance ESD Channel LV Low-capacitance ESD Channel HV ESD Channel Ground Negative Voltage Supply Rail Negative Voltage Supply Rail Negative Voltage Supply Rail Die Attach Pad (Ground)
Rev.4 | Page 2 of 10 | www.onsemi.com
CM1641
Ordering Information
PART NUMBERING INFORMATION
Lead-free Finish # of Channels 4 Leads 8 Package UDFN-8, 0.4mm Ordering Part Number CM1641-04D4
1
Part Marking P41
Note 1: Parts are shipped in Tape and Reel form unless otherwise specified.
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER DC Voltage on Low-voltage Pins DC Voltage on High-voltage Pins (VCC pin) Operating Temperature Range Storage Temperature Range RATING 6.0 14.5 -40 to +85 -65 to +150 UNITS V V C C
STANDARD OPERATING CONDITIONS
PARAMETER Operating Temperature Range RATING -40 to +85 UNITS C
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CM1641
ELECTRICAL OPERATING CHARACTERISTICS
SYMBOL PARAMETER VF LV Diode Reverse Voltage (Positive Voltage) LV Diode Forward Voltage (Negative Voltage) ILEAK LV Channel Leakage Current CONDITIONS IF = 10mA; TA= 25 C
(SEE NOTE 1)
MIN 6.8
TYP 8.2
MAX 9.2
UNITS V
IF = 10mA; TA= 25 C -1.05 TA= -30 to 65 VIN= 3.3V, C C; VN=0V -0.9 -0.6 100 V nA
CIN
LV Channel Input Capacitance
At 1 MHz, VN=0V, VIN=1.65V
1.2
1.5
pF
C
IN
LV Channel Input Capacitance Matching HV Channel Leakage Current HV Channel Input Capacitance
At 1 MHz, VN=0V, VIN=1.65V
0.02
pF
ILEAK_HV CIN_HV
TA=25 VCC=11V, VN=0V C; At 1 MHz, VN=0V, VIN=2.5V
0.1 53
1.0
A pF
VF_HV VESD
HV Diode Breakdown Voltage Positive Voltage ESD Protection Peak Discharge Voltage at any channel input, in system Contact discharge per IEC 61000-4-2 standard LV Channel Clamp Voltage (Pin 1-3) Positive Transients Negative Transients Dynamic Resistance LV Channel Positive Transients LV Channel Negative Transients HV Channel Positive Transients HV Channel Negative Transients
IF = 10mA; TA=25 C 14.6 17.7 V
TA=25 C
8 (Pin 1-3) 15 (Pin 4)
kV kV
VCL
TA=25 IPP = 1A, C, tP = 8/20S
+9.64 -1.75
V V
RDYN
IPP = 1A, tP = 8/20S Any I/O pin to Ground;
0.72 0.59 1.20 0.36

Note 1: All parameters specified at TA = -40C to +85C unless otherwise noted.
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CM1641
Performance Information
Input channel capacitance performance curves for low voltage pins
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CM1641
Performance Information (cont'd)
Typical filter performance for low voltage pins Nominal conditions unless specified otherwise, 50 ohm environment.
Figure 1. Channel 1 Vs. All GND Pins (0V DC Bias)
Figure 2. Channel 2 Vs. All GND Pins (0V DC Bias)
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CM1641
Performance Information (cont'd)
Typical filter performance for low voltage pins Nominal conditions unless specified otherwise, 50 ohm environment.
Figure 3. Channel 3 Vs. All GND Pins (0V DC Bias)
Rev.4 | Page 7 of 10 | www.onsemi.com
CM1641
Mechanical Details
uDFN-08 Mechanical Specifications, 0.4mm The 8-lead, 0.4mm pitch uDFN package dimensions are presented below.
PACKAGE DIMENSIONS
Package JEDEC No. Leads Dim. Min A A1 A3 b D D2 E E2 e K L # per tape and reel 0.15 0.15 1.60 1.10 1.25 0.30 0.45 0.00 Millimeters Nom 0.50 0.02 0.127 REF 0.20 1.70 1.20 1.35 0.40 0.40 BSC 0.22 REF 0.25 0.35 0.25 1.80 1.30 1.45 0.50 Max 0.55 0.05 Min 0.018 0.000 uDFN MO-229C
*
TOP VIEW
D
8765
Pin 1 Marking
8 Inches Nom 0.020 0.001 Max 0.022 0.002
0.10 C
E
1
23
4
SIDE VIEW
0.005 REF 0.006 0.063 0.043 0.049 0.012 0.008 0.067 0.047 0.053 0.016 0.010 0.071 0.051 0.057 0.020
0.08 C
A1 A
A3
BOTTOM VIEW
8X 0.10
M
CAB
b
e
0.016 BSC 0.009 REF 0.006 0.010 0.014
Pin 1 Locator
1
2
C0.2
3
4
E2
K
8
7
D2
6
5
3000 pieces
L
Controlling dimension: millimeters
*
Dimensions for 8-Lead, 0.4mm pitch uDFN Package
This package is compliant with JEDEC standard MO-229C with the exception of the D, D2, E, E2, K and L dimensions as called out in the table above.
Rev.4 | Page 8 of 10 | www.onsemi.com
CM1641
Tape and Reel Specifications
PACKAGE SIZE (mm) 1.70 X 1.35 X 0.50 POCKET SIZE (mm) B0 X A0 X K0 1.95 X 1.60 X 0.60 TAPE WIDTH W 8mm REEL DIAMETER 178mm (7") QTY PER REEL 3000
PART NUMBER CM1641
P0 4mm
P1 4mm
Rev.4 | Page 9 of 10 | www.onsemi.com
CM1641
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
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Rev.4 | Page 10 of 10 | www.onsemi.com

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