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PDF ESD4238 Data sheet ( Hoja de datos )
| Número de pieza | ESD4238 | |
| Descripción | ESD Clamp Array | |
| Fabricantes | ON Semiconductor | |
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ESD4238
ESD Clamp Array with ESD
Protection
Functional Description
The ESD4238 is ideal for protecting systems with high data and
clock rates or for circuits requiring low capacitive loading and tightly
controlled signal skews (with channel−to−channel matching at 2%
max deviation).
The device is particularly well−suited for protecting systems using
high−speed ports such as DVI or HDMI, along with corresponding
ports in removable storage, digital camcorders, DVD−RW drives and
other applications where extremely low loading capacitance with ESD
protection are required.
The ESD4238 also features easily routed “pass−through” pinouts in
a RoHS−compliant (Pb−Free), 16−lead WDFN, small footprint
package.
Features
• ESD Protection for Four Pairs of Differential Channels
• ESD protection to IEC61000−4−2 Level 4:
♦ $20 kV contact discharge
♦ $25 kV air discharge
• Pass−through Impedance Matched Clamp Architecture
• Flow−through Routing for High−speed Signal Integrity
• 100 W Matched Impedance for Each Paired Differential Channel
• Capacitance Change with Temperature and Voltage
• Each I/O Pin Can Withstand Over 1000 ESD Strikes*
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
• DVI ports, HDMI Ports in Notebooks, Set−top Boxes, Digital TVs,
LCD Displays
• General Purpose High−speed Data Line ESD Protection
http://onsemi.com
16
1
WDFN16
CASE 511AU
MARKING DIAGRAM
238M
G
238 = Specific Device Code
M = Date Code
G = Pb−Free Package
PIN CONNECTIONS
In_1+ 1
16 Out_1+
In_1− 2
15 Out_1−
In_2+ 3
14 Out_2+
In_2− 4
13 Out_2−
In_3+ 5
12 Out_3+
In_3− 6
11 Out_3−
In_4+ 7
10 Out_4+
In_4+ 8
9 Out_4−
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
*Standard test condition is IEC61000−4−2 level 4 test circuit with each pin
subjected to $8 kV 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.
© Semiconductor Components Industries, LLC, 2014
January, 2014 − Rev. 1
Publication Order Number:
ESD4238/D
1 page  
ESD4238
ELECTRICAL OPERATING CHARACTERISTICS (See Note 1)
Symbol
Parameter
Test Conditions
VIN I/O Voltage Relative to GND
IIN Continuous Current through signal pins (IN to
OUT) 1000 Hr
IF
VESD
IRES
VCL
Channel Leakage Current
ESD Protection − Peak Discharge Voltage at any
channel input, in system:
a) Contact discharge per
IEC 61000−4−2 Standard
b) Air discharge per IEC 61000−4−2 Standard
Residual ESD Peak Current on RDUP
(Resistance of Device Under Protection)
Channel Clamp Voltage
(Channel clamp voltage per IEC 61000−4−5
Standard)
Positive Transients
Negative Transients
TA = 25°C; VN = 0 V, VTEST = 5 V
TA = 25°C (Note 2)
TA = 25°C (Note 2)
IEC 61000−4−2 8 kV;
RDUP = 5 W, TA = 25°C (Note 2)
IPP = 1 A, TA = 25°C,
tP = 8/20 ms (Note 2)
RDYN
Dynamic Resistance
Positive Transients
Negative Transients
IPP = 1 A, TA = 25°C
tP = 8/20 ms (Note 2)
Zo Differential Channels pair characteristic
impedance
TR = 200 ps (Note 2)
DZo Channel−to−Channel Impedance Match
(Differential)
TR = 200 ps (Note 2)
Min Typ Max
−0.5
5.5
100
0.1 1.0
$20
$25
3.8
+10
−1.9
2.0
0.7
100
2
Unit
V
mA
mA
kV
kV
A
V
V
W
W
W
%
ZCHANNEL Individual Channel Characteristic Impedance in
Single−ended Connection
TR = 200 ps
50 W
DZCHANNEL
Channel−to−Channel Impedance Match
(Individual)
TR = 200 ps (Note 2)
2%
1. All parameters specified at TA = –40°C to +85°C unless otherwise noted.
2. This parameter is guaranteed by design and verified by device characterization.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
http://onsemi.com
5
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| PDF Descargar | [ Datasheet ESD4238.PDF ] | |
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