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PDF CM1240 Data sheet ( Hoja de datos )
| Número de pieza | CM1240 | |
| Descripción | Dual-Voltage ESD Protection Array | |
| Fabricantes | California Micro Devices | |
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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
1
1 page  
Mechanical Details (cont’d)
TDFN-08 Mechanical Specifications
The CM1240 is supplied in an 8-lead 0.5mm TDFN
package. Dimensions are presented below.
For complete information on the TDFN-08, see the
California Micro Devices TDFN Package Information
document.
PACKAGE DIMENSIONS
Package
JEDEC
No.
Leads
Dim.
A
A3
b
D
D2
E
E2
e
K
L
# per
tape and
reel
TDFN
MO-229 (Var. VCCD-3)*
8
Millimeters
Inches
Min Nom Max Min Nom Max
0.70 0.75 0.80 0.028 0.030 0.031
0.20 REF
0.008 REF
0.20 0.25 0.30 0.008 0.010 0.012
1.90 2.00 2.10 0.075 0.079 0.083
1.50 1.60 1.70 0.059 0.063 0.067
1.90 2.00 2.10 0.075 0.079 0.083
0.80 0.90 1.00 0.031 0.035 0.039
0.50 BSC
0.020 BSC
0.20 0.008
0.20 0.30 0.40 0.008 0.012 0.016
3000 pieces
Controlling dimension: millimeters
*This package is compliant with JEDEC standard MO-229, variation
VCCD-3 with exception of the D2 and E2 dimensions as called out in
the table above and the r1 dimension which is not specified in the
MO-229 standard.
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CM1240
Mechanical Package Diagrams
D
8765
Pin 1
Marking
1234
TOP VIEW
0.10 C
SIDE VIEW
A A3
1234
D2
GND PAD
C0.25
R
K 8765
L
eb
8X
BOTTOM VIEW
0.10 M C A B
Package Dimensions for 8-Lead, 0.5mm pitch
TDFN package
© 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
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet CM1240.PDF ] | |
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