CM1293A Datasheet PDF - ON Semiconductor

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CM1293A
ON Semiconductor

Part Number CM1293A
Description 2-and 4-Channel Low Capacitance ESD Protection Arrays
Page 16 Pages


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2-and 4-Channel Low Capacitancewww.DataSheet4U.com
ESD Protection Arrays
CM1293A
Features
• Two and four channels of ESD protection
• Provides ESD protection to IEC61000-4-2
±8kV contact discharge
• Low loading capacitance of 2.0pF max.
• Low clamping voltage
• Channel I/O to I/O capacitance 1.5pF typical
• Zener diode protects supply rail and eliminates
the need for external by-pass capacitors
• Each I/O pin can withstand over 1000 ESD
strikes*
• Available in RoHS-compliant, lead-free SOT and
MSOP packages
Applications
• DVI ports, HDMI ports in notebooks, set top
boxes, digital TVs, LCD displays
• Serial ATA ports in desktop PCs and hard disk
drives
• PCI Express ports
• General purpose high-speed data line ESD
protection
Product Description
The CM1293A family of diode arrays has been
designed to provide ESD protection for electronic
components or subsystems requiring minimal
capacitive loading. These devices are ideal for
protecting systems with high data and clock rates or
for circuits requiring low capacitive loading. Each
ESD channel consists of a pair of diodes in series
that steer the positive or negative ESD current pulse
to either the positive (VP) or negative (VN) supply rail.
A Zener diode is embedded between VP and VN which
helps protect the VCC rail against ESD strikes. The
CM1293A protects against ESD pulses up to ±8kV
contact discharge) per the IEC 61000-4-2 Level 4
standard.
This device is particularly well-suited for protecting
systems using high-speed ports such as USB2.0,
IEEE1394 (Firewire®, iLink), Serial ATA, DVI,
HDMI, and corresponding ports in removable
storage, digital camcorders, DVD-RW drives and
other applications where extremely low loading
capacitance with ESD protection are required in a
small package footprint.
The CM1293A family of devices is available with
RoHS-compliant, lead-free finishing.
Block Diagram
*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.
©2010 SCILLC. All rights reserved.
April 2010 – Rev. 4
Publication Order Number:
CM1293A/D



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To p View
To p View
(1)
(4) NC (1)
VP (5)
(1)
(6) CH1 (1)
NC (2)
VN (2)
(2) (5) (3)
NC (10)
CH4 (9)
(8)
(2)
(3) CH1 (3)
CH2 (4)
(3)
CH2 (4)
(4)
NC (7)
NC (5)
CH3 (6)
5-Lead SOT23-5
10-Lead MSOP-10
PIN DESCRIPTIONS
2-CHANNEL, 4-LEAD SOT143-4 PACKAGE
PIN
NAME
TYPE DESCRIPTION
1
VN
GND
Negative voltage supply rail
2
CH1
I/O ESD Channel
3
CH2
I/O ESD Channel
4
V
PWR
Positive voltage supply rail
P
4-CHANNEL, 10-LEAD MSOP-10 PACKAGE
PIN
NAME
TYPE DESCRIPTION
1
CH1
I/O ESD Channel
2 NC
No connect
3
V
PWR
Positive voltage supply rail
P
4
CH2
I/O ESD Channel
5 NC
No connect
6
CH3
I/O ESD Channel
7 NC
No connect
8
V
GND
Negative voltage supply rail
N
9
CH4
I/O ESD Channel
10 NC
No connect
2-CHANNEL, 5-LEAD SOT23-5 PACKAGE
PIN
NAME
TYPE
DESCRIPTION
1 NC
No connect
2
V
GND
Negative voltage supply rail
N
3 CH1 I/O ESD Channel
4 CH2 I/O ESD Channel
5
VP
PWR
Positive voltage supply rail
4-CHANNEL, 6-LEAD SOT23-6 PACKAGE
PIN
NAME
TYPE
DESCRIPTION
1 CH1 I/O ESD Channel
2
VN
GND
Negative voltage supply rail
3 CH2 I/O ESD Channel
4 CH3 I/O ESD Channel
5
V
PWR
Positive voltage supply rail
P
6 CH4 I/O ESD Channel
Rev. 4 | Page 2 of 16 | www.onsemi.com



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CM1293A
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Ordering Information
PART NUMBERING INFORMATION
# of Channels
2
Leads
4
Package
SOT143-4
Lead-free Finish
Ordering Part Number1
CM1293A-02SR
Part Marking
D636
2 5 SOT23-5 CM1293A-02SO
D633
4 6 SOT23-6 CM1293A-04SO
4 10 MSOP-10 CM1293A-04MR
D635
D641
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Operating Supply Voltage (VP - VN)
Operating Temperature Range
Storage Temperature Range
DC Voltage at any channel input
RATING
6.0
–40 to +85
–65 to +150
(VN - 0.5) to (VP + 0.5)
UNITS
V
°C
°C
V
STANDARD OPERATING CONDITIONS
PARAMETER
Operating Temperature Range
Package Power Rating
SOT143-4 Package (CM1293A-02SR)
SOT23-5 Package (CM1293A-02SO)
SOT23-6 Package (CM1293A-04SO)
MSOP-10 Package (CM1293A-04MR)
RATING
–40 to +85
225
225
225
400
UNITS
°C
mW
mW
mW
mW
Rev. 4 | Page 3 of 16 | www.onsemi.com



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Specifications (cont’d)
CM1293Awww.DataSheet4U.com
ELECTRICAL OPERATING CHARACTERISTICS1
SYMBOL PARAMETER
CONDITIONS
VP Operating Supply Voltage (VP-VN)
IP Operating Supply Current
(VP-VN)=3.3V
VF Diode Forward Voltage
Top Diode
Bottom Diode
IF = 8mA; TA=25°C
ILEAK Channel Leakage Current
CIN Channel Input Capacitance
TA=25°C; VP=5V, VN=0V
At 1 MHz, VP=3.3V, VN=0V, VIN=1.65V
MIN TYP MAX UNITS
3.3 5.5
V
8.0 µA
0.60
0.60
0.80
0.80
±0.1
0.95
0.95
±1.0
2.0
V
V
µA
pF
CIO
VESD
VCL
RDYN
Channel I/O to I/O capacitance
ESD Protection
Peak Discharge Voltage at any
channel input, in system
Contact discharge per
IEC 61000-4-2 standard
Notes 3 and 4; TA=25°C
Channel Clamp Voltage
Positive Transients
Negative Transients
IPP=1A, tp=8/20µs; TA=25°C; Notes 4
Dynamic Resistance
Positive Transients
Negative Transients
IPP=1A, tp=8/20µs; TA=25°C; Notes 4
1.5
±8
+9.9
–1.6
0.96
0.5
pF
kV
V
V
Note 1: All parameters specified at TA = –40°C to +85°C unless otherwise noted.
Note 2: Human Body Model per MIL-STD-883, Method 3015, CDischarge = 100pF, RDischarge = 1.5KΩ, VP = 3.3V, VN grounded.
Note 3: Standard IEC 61000-4-2 with CDischarge = 150pF, RDischarge = 330, VP = 3.3V, VN grounded.
Note 4: These measurements performed with no external capacitor on VP.
Rev. 4 | Page 4 of 16 | www.onsemi.com



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