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(R)
ITAxxU1
TRANSILTM ARRAY FOR DATALINE PROTECTION
ASDTM
MAIN APPLICATIONS Data transmission lines protection, such as :

Unipolar signal up to 5.5 V Bipolar signal in the 2.5 V range
FEATURES High surge capability Transil array: IPP = 40 A (8/20s)

Peak pulse power : 300 W (8/20s) Up to 6 bidirectional Transil functions Low clamping factor (VCL / VBR) at high current level Low leakage current ESD protection up to 15kV
SO-8
DESCRIPTION Transil diode arrays provide high overvoltage protection by clamping action. Their instantaneous response to transient overvoltages makes them particularly suited to protect voltage sensitive devices such as MOS Technology and low voltage supplied IC's. The ITA series allies high surge capability against energetic pulses with high voltage performance against ESD.
Table 1: Order Codes Part Number ITA6V1U1 ITA6V1U1RL
Marking 6V1U1 6V1U1
Figure 1: Functional Diagram
I/O1 1 I/O2 2 I/O3 3 I/O4 4
8 I/O6 7 GND 6 GND 5 I/O5
COMPLIES WITH THE FOLLOWING STANDARDS:
IEC61000-4-2 level 4: 15kV (air discharge) 8kV (contact discharge) MIL STD 883E-Method 3015-7: class3 25kV HBM (Human Body Model)
TM: ASD and TRANSIL are trademarks of STMicroelectronics.
December 2004
REV. 1
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Table 2: Absolute Ratings (Tamb = 25C) Symbol PPP IPP It Tj Tstg TL
2
Parameter Peak pulse power (8/20s) (see note 1) Peak pulse current (8/20s) (see note 1) Wire I t value (see note 1) Maximum operating junction temperature Storage temperature range Maximum lead temperature for soldering during 10 s at 5mm for case
2
Value Tj initial = Tamb Tj initial = Tamb 300 40 0.6 125 -55 to +150 260
Unit W A A 2s C C C
Note 1: For surges greater than the specified maximum value, the I/O will first present a short-circuit and after an open circuit caused by the wire melting.
Table 3: Electrical Characteristics (Tamb = 25C) Symbol VRM VBR VCL IRM IPP T VF C Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current Peak pulse current Voltage temperature coefficient Forward voltage drop Capacitance
IPP VBR VCL VRM IRM V VF I IF
VBR Part Number min.
note 2
@ IR IRM @ VRM VCL max.
@
IPP VCL
@
IPP
T max.
C max.
note 3
VF @ IF max.
max. 8/20s max. 8/20s
note 2 note 2
V ITA6V1U1 6.51
mA 1
A 10
V 5
V 10
A 10
V 12
A 25
10-4/C 4
pF 1500
V 1.3
A 1
Note 2: Between I/O pin and ground. Note 3: Between two input pins at 0V Bias, F = 1 MHz.
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Figure 2: Pulse waveform Figure 3: Typical peak pulse power versus exponential pulse duration
PPP(W)
1000
%IPP
100 8s
Tj initial=25C
Pulse waveform 8/20s 50
100
0 20s
t
10 1E-3 1E-2
tP(ms) expo
1E-1 1E+0 1E+1
Figure 4: Clamping voltage versus peak pulse current (exponential waveform 8/20s)
VCL(V)
1E+03 Tj initial=25C
Figure 5: Peak current IDC inducing open circuit of the wire for one input/output versus pulse duration (typical values)
IDC(A)
1E+03
%IPP
100 50
Exponential waveform
1E+02
0
tr
tp
t
1E+02
1E+01
1E+01
1E+00 1E-01 1E+00
IPP(A)
1E+01 1E+02
1E+00 1E-02 1E-01
tP(ms)
1E+00 1E+01
Figure 6: Junction capacitance versus reverse applied voltage for one input/output (typical values)
C(pF)
1500
Tj=25C F=1MHz
Figure 7: Relative variation of leakage current versus junction temperature
IR(Tj) IR(Tj=25C)
5E+3 1E+3 VR=VRM
1250
1E+2
1000
1E+1
750
1E+0
Tj(C)
500 0.0 0.5 1.0 1.5 2.0
VR(V)
2.5 3.0 3.5 4.0 4.5 5.0
1E-1 0 25 50 75 100 125 150
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APPLICATION INFORMATION Figure 8: P I/O lines
+5V
I/O I/O I/O
P interface
I/O I/O I/O GND
Figure 9: 2.5V datalines
I/O
Line driver
I/O I/O I/O GND
+2.5V -2.5V
Figure 10: Ordering Information Scheme
ITA
Integrated Transil Array Breakdown Voltage (min) 25 = 25 Volt Type of lines protected U = Unidirectional Package 1 = SO-8 Packaging RL = Tape & reel Blank = Tube
6V1
U
1
RL
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Figure 11: SO-8 Package Mechanical Data REF.
C (Seating Plane) A2 A h x 45 0.25mm (Gage Plane)
ddd C
B
e
A1
k
L
D
8
5
E
H
1
4
A a1 a2 a3 b b1 C c1 D E e e3 F L M S
DIMENSIONS Millimetres Inches Min. Typ. Max. Min. Typ. Max. 1.75 0.069 0.1 0.25 0.004 0.010 1.65 0.065 0.65 0.85 0.025 0.033 0.35 0.48 0.014 0.019 0.19 0.25 0.007 0.010 0.25 0.50 0.50 0.010 0.020 45 (typ) 4.8 5.0 0.189 0.197 5.8 6.2 0.228 0.244 1.27 0.050 3.81 0.150 3.8 4.0 0.15 0.157 0.4 1.27 0.016 0.050 0.6 0.024 8 (max)
Figure 12: Foot Print Dimensions (in millimeters)
6.8 0.6 4.2
1.27
Table 4: Ordering Information Part Number ITA6V1U1 ITA6V1U1RL Marking 6V1U1 6V1U1 Package SO-8 Weight 0.08 g Base qty 2000 2500 Delivery mode Tube Tape & reel
Table 5: Revision History Date 13-Dec-2004 Revision 1 First issue Description of Changes
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ITAxxU1
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2004 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com
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