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CM1244
4-Channel ESD Array in CSP
Features
•
•
•
•
•
•
•
Four channels of ESD protection
±15kV
ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
±30kV
ESD protection on each channel (HBM)
Chip Scale Package features extremely low
lead inductance for optimum ESD protection
5-bump, 0.760mm x 1.053mm footprint,
0.4mm pitch, Chip Scale Package (CSP)
Lead-free
OptiGuard
TM
coating for improved reliability at
assembly
Applications
•
•
•
•
•
•
•
•
•
ESD protection for sensitive electronic equipment
I/O port and keypad and button circuitry
protection for portable devices
Can be used for EMI filtering when combined
with external series resistance
Wireless handsets
Handheld PCs/PDAs
MP3 Players
Digital Camcorders
Notebooks
Desktop PCs
Electrical Schematic
ESD_1 ESD_2 ESD_3 ESD_4
C1
C3
A1
A3
GND
B2
© 2007 California Micro Devices Corp. All rights reserved.
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue B – 10/17/07
●
Fax: 408.263.7846
●
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1
CM1244
PACKAGE / PINOUT DIAGRAMS
TOP VIEW
(Bumps Down View)
Orientation
Marking
(see Note 2)
BOTTOM VIEW
(Bumps Up View)
1
2
3
ESD 3
_
ESD
_4
GD
N
A
B
C
+
C1
C3
ESD 2
_
04
CM1244
CSP Package
Orientation
Marking
ESD 1
_
B2
A1
A3
A1
Notes:
1) These drawings are not to scale.
2) The “+” orientation marking indicates that the package is lead-free.
PIN DESCRIPTIONS
PIN
A1
A3
B2
C1
C3
NAME
ESD_1
ESD_2
GND
ESD_3
ESD_4
DESCRIPTION
ESD Channel1
ESD Channel 2
Device Ground
ESD Channel 3
ESD Channel 4
Ordering Information
PART NUMBERING INFORMATION
Lead-free Finish
Bumps
5
Package
CSP
Ordering Part Number
1
Part Marking
04
CM1244-04CP
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
© 2007 California Micro Devices Corp. All rights reserved.
2
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue B – 10/17/07
●
Fax: 408.263.7846
●
www.cmd.com
CM1244
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Storage Temperature Range
DC Package Power Rating
RATING
-65 to +150
200
UNITS
°C
mW
STANDARD OPERATING CONDITIONS
PARAMETER
Operating Temperature Range
RATING
–40 to +85
UNITS
°C
ELECTRICAL OPERATING CHARACTERISTICS
1
SYMBOL
V
DIODE
I
LEAK
V
SIG
PARAMETER
Diode Reverse Breakdown Voltage
Diode Leakage Current
Signal Voltage
Positive Clamp
Negative Clamp
In-system ESD Withstand Voltage
a) Human Body Model, MIL-STD-883,
Method 3015
b) Contact Discharge per IEC 61000-4-2
Clamping Voltage during ESD Discharge
MIL-STD-883 (Method 3015), 8kV
Positive Transients
Negative Transients
Diode Capacitance
CONDITIONS
I
DIODE
= 10μA
V
IN
=3.3V, T
A
=25°C
I
DIODE
= 10mA
5.6
–1.5
Notes 2 and 3
±30
±15
Notes 2 and 3
+15
–8
At 2.5VDC Reverse Bias,
1MHz, 30mVAC
22
27
32
V
V
pF
kV
kV
6.8
–0.8
9.0
-0.4
V
V
MIN
5.5
100
TYP
MAX
UNITS
V
nA
V
ESD
V
CL
C
DIODE
Note 1: T
A
= –40 to +85
°
C unless otherwise specified.
Note 2: ESD applied to input and output pins with respect to GND, one at a time.
Note 3: These parameters are guaranteed by design and characterization.
Application Information
Refer to Application Note AP-217, “The Chip Scale Package,” for a detailed description of Chip Scale Packages
offered by California Micro Devices.
© 2007 California Micro Devices Corp. All rights reserved.
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue B – 10/17/07
●
Fax: 408.263.7846
●
www.cmd.com
3
CM1244
Performance Information
Diode Characteristics (nominal conditions unless specified otherwise)
Capacitance (Normalized)
DC Voltage
Figure 1. Typical Diode Capacitance VS. Input Voltage (normalized to 2.5VDC)
Figure 2. Frequency Response (single channel vs. GND, in 50Ω system)
© 2007 California Micro Devices Corp. All rights reserved.
4
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
Issue B – 10/17/07
●
Fax: 408.263.7846
●
www.cmd.com
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