CM1240 Datasheet PDF - California Micro Devices

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CM1240
California Micro Devices

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


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CM1240
Dual-Voltage ESD Protection Array for USB Port
Features
• 4 channels of ESD Protection
• 8kV ESD protection (IEC 61000-4-2, contact
discharge)
• 16kV ESD protection (HBM)
• SOT-563
• TDFN-8, 1.70mm x 1.35mm, 0.4mm pitch
• TDFN-8, 2mm x 2mm, 0.5mm pitch
• Lead free
• 16V clamp on Vcc
Applications
• USB and Mini-USB applications
• I/O port protection for mobile handsets
• Wireless handsets
Product Description
California Micro Devices’ CM1240 is a four 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).
The CM1240 is available in a space saving, low profile,
lead-free TDFN-8 or SOT-563 package.
SOT-563
PACKAGE / PINOUT DIAGRAMS
TDFN-8
D1 1
D2 2
VCC 3
6 GND
5 D3
4 GND
D1 1
D2 2
D3 3
VCC 4
5 NC
DAP 6 NC
7 NC
8 NC
Ordering Information
Leads
6
8
8
PART NUMBERING INFORMATION
Lead-free Finish
Package
SOT-563
TDFN-0.5mm
TDFN-0.4mm
Ordering Part Number
CM1240-F4SE
CM1240-04DE
CM1240-04D4
Part Marking
L40
L40 4E
L4
PIN DESCRIPTIONS
© 2007 California Micro Devices Corp. All rights reserved.
5/16/07 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 l Tel: 408.263.3214 l Fax: 408.263.7846 l www.cmd.com
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CM1240
Specifications
SOT-563
PIN#
1
2
5
3
4
6
TDFN
PIN#
1
2
3
4
5
6
7
8
DAP
NAME
D1
D2
D3
Vcc
NC
NC
NC
NC
GND
GND
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
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
PARAMETER
Operating temperature range
STANDARD OPERATING CONDITIONS
RATING
–40 to +85
UNITS
kV
V
V
°C
°C
UNITS
°C
© 2007 California Micro Devices Corp. All rights reserved.
2 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 l Tel: 408.263.3214 l Fax: 408.263.7846 l www.cmd.com
5/16/07



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CM1240
Specifications
ELECTRICAL OPERATING CHARACTERISTICS (NOTE 1)
Symbol
Parameter
Conditions
Min
Typ Max Units
CLV LV diode Capacitance at 3Vdc; 1MHz, 30mVac
6 pF
CHV HV diode Capacitance at 3Vdc; 1MHz, 30mVac
25 pF
ILV LV Diode Leakage at +3.3V reverse bias voltage
0.01 0.4
μA
IHV HV Diode Leakage at +11V reverse bias voltage
0.01 0.4
μA
VCL(LV)
LV Diode Signal Clamp Voltage:
Positive Clamp, 10mA
Negative Clamp, –10mA
5.6 6.8 9
–1.5 –0.8 –0.4
V
V
VCL(HV)
HV Diode Signal Clamp Voltage:
Positive Clamp, 10mA
Negative Clamp, –10mA
13 16 19
–1.5 –0.8 –0.4
V
V
VESD
In-system ESD withstand voltage:
Human Body Model (MIL-STD-883, method 3015)
IEC 61000-4-2, contact discharge method
Note 2
±25
±12
kV
kV
RDYN(LV)
LV Diode Dynamic Resistance:
Positive
Negative
2.8 Ω
1.2 Ω
RDYN(HV)
HV Diode Dynamic Resistance:
Positive
Negative
1Ω
0.7 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.
© 2007 California Micro Devices Corp. All rights reserved.
5/16/07 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 l Tel: 408.263.3214 l Fax: 408.263.7846 l www.cmd.com
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CM1240
Mechanical Details
SOT-563 Mechanical Specifications
The CM1240 is supplied in a 6-pin SOT-563 package.
Dimensions are presented below.
PACKAGE DIMENSIONS
Package
Leads
Dim.
A
b
c
D
E
E1
e
e1
L
# per
tape and
reel
SOT-563
6
Millimeters
Inches
Min Nom Max Min Nom Max
0.50 0.55 0.60 0.020 0.022 0.024
0.17 0.22 0.27 0.007 0.009 0.011
0.08
0.18 0.003
0.007
1.60 BSC
0.063 BSC
1.50 1.60 1.70 0.059 0.063 0.067
1.20 BSC
0.047 BSC
0.50 BSC
0.020 BSC
1.00 BSC
0.040 BSC
0.20 BSC
0.008 BSC
5000 pieces
Controlling dimension: millimeters
MMecehcahnainciaclaPl aPcakcakgaegeDDiaigargarmams s
E1
2X
0.20 C D
Pin 1
Marking
TOP VIEW
D
e1
654
0.20 C A-B 2X
D
E
12
e
3
b
0.20 c
2X
SIDE VIEW
A
0.10 C
C
SEATING
PLANE
END VIEW
c
L
* For best results, both grounds should be connected
Package Dimensions for SOT-563.
© 2007 California Micro Devices Corp. All rights reserved.
4 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 l Tel: 408.263.3214 l Fax: 408.263.7846 l www.cmd.com
5/16/07



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