CM1240 Datasheet PDF - ON Semiconductor


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CM1240
ON Semiconductor

Part Number CM1240
Description Dual-Voltage ESD Protection Array
Page 6 Pages

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Dual-Voltage ESD Protectionwww.DataSheet4U.com
Array for USB Ports
CM1240
Features
Four channels of ESD Protection
±8kV ESD protection (IEC 61000-4-2, contact
discharge)
±16kV ESD protection (HBM)
SOT-563 space-saving package
RoHS-compliant, lead-free finishing
16V clamp on Vcc
Applications
USB and mini-USB applications
I/O port protection for mobile handsets
Wireless handsets
Product Description
The CM1240 is a 4-channel ESD protection array. Three
channels of the CM1240 are low voltage (LV) diodes,
which have a capacitance of 7pF enabling them to protect
high speed I/O ports while providing robust ESD
protection. The other channel of the CM1240 is a high
voltage (HV) diode which has a capacitance of 25pF
enabling it to protect power supply inputs or OLED power
rails, etc.
The parts integrate avalanche-type ESD diodes, which
provide a very high level of protection for sensitive
electronic components that may be subjected to
electrostatic discharge (ESD). The ESD protection diodes
are designed and characterized to safely dissipate ESD
strikes of ±8kV, the maximum requirement of the
IEC61000-4-2 international standard. Using the MIL-STD-
883 (Method 3015) specification for Human Body Model
(HBM) ESD, the pins are protected for contact discharges
of greater than ±16kV.
This device is particularly well suited for portable
electronics (e.g. wireless handsets, PDAs, notebook
computers) because of its small package format and easy-
to-use pin assignments. In particular, the CM1240 is ideal
for protecting USB or mini-USB ports operating at full
speed (12Mbps).
©2010 SCILLC. All rights reserved.
April 2010 – Rev.3
Publication Order Number:
CM1240/D



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Ordering Information
Leads
6
PART NUMBERING INFORMATION
Package
SOT-563
Lead-free Finish
Ordering Part Number
CM1240-F4SE
Part Marking
L40
SOT-563
PIN#
1
2
5
3
4
6
NAME
D1
D2
D3
Vcc
NC
NC
NC
NC
GND
GND
PIN DESCRIPTIONS
DESCRIPTION
Cathode connection for Low Voltage ESD diode
Cathode connection for Low Voltage ESD diode
Cathode connection for Low Voltage ESD diode
Cathode connection for High Voltage ESD diode
No connect
No connect
No connect
No connect
Anode-side connection for all ESD diodes
Anode-side connection for all ESD diodes
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER
ESD Protection (HBM)
Pin Voltages
Vcc to GND
All other pins to GND
Storage Temperature Range
Lead Temperature (soldering, 10sec)
RATING
16
[GND - 0.3] to +13
[GND - 0.3] to +5.5
–65 to +150
300
Rev.3 | Page 2 of 6 | www.onsemi.com
UNITS
kV
V
V
°C
°C



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STANDARD OPERATING CONDITIONS
PARAMETER
Operating temperature range
RATING
–40 to +85
UNITS
°C
ELECTRICAL OPERATING CHARACTERISTICS (NOTE 1)
Symbol
Parameter
CLV LV diode Capacitance at 3Vdc; 1MHz, 30mVac
CHV HV diode Capacitance at 3Vdc; 1MHz, 30mVac
ILV LV Diode Leakage at +3.3V reverse bias voltage
IHV HV Diode Leakage at +11V reverse bias voltage
VCL(LV)
LV Diode Signal Clamp Voltage:
Positive Clamp, 10mA
Negative Clamp, –10mA
V
CL(HV)
HV Diode Signal Clamp Voltage:
Positive Clamp, 10mA
Negative Clamp, –10mA
V In-system ESD withstand voltage:
ESD
Human Body Model (MIL-STD-883, method 3015)
IEC 61000-4-2, contact discharge method
R
DYN(LV)
LV Diode Dynamic Resistance:
Positive
Negative
R
DYN(HV)
HV Diode Dynamic Resistance:
Positive
Negative
Conditions
Note 2
Min
5.6
–1.5
13
–1.5
±25
±12
Typ Max Units
6 pF
25 pF
0.01 0.4
µA
0.01 0.4
µA
6.8 9
–0.8 –0.4
16 19
–0.8 –0.4
2.8
1.2
1
0.7
V
V
V
V
kV
kV
Ω
Ω
Ω
Ω
Note 1: Guaranteed at 25°C only
Note 2: ESD applied to input/output pins with respect to GND, one at a time. These parameters are guaranteed by design.
Rev.3 | Page 3 of 6 | www.onsemi.com



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Mechanical Details
SOT-563 Mechanical Specifications
The CM1240-F4SE is supplied in a 6-pin SOT-563 package. Dimensions are presented below.
PACKAGE DIMENSIONS
Package
Leads
SOT-563
6
Dim.
Millimeters
Inches
Min Nom Max Min Nom Max
A 0.50 0.55 0.60 0.020 0.022 0.024
b 0.17 0.22 0.27 0.007 0.009 0.011
c 0.08 0.13 0.18 0.003 0.005 0.007
D 1.60 BSC
0.063 BSC
E 1.50 1.60 1.70 0.059 0.063 0.067
E1 1.20 BSC
0.047 BSC
e 0.50 BSC
0.020 BSC
e1 1.00 BSC
0.040 BSC
L 0.20 BSC
0.008 BSC
# per
tape and
reel
5000 pieces
Controlling dimension: millimeters
Package Dimensions for SOT-563
Rev.3 | Page 4 of 6 | www.onsemi.com




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