ITAXXU1 [STMICROELECTRONICS]
TRANSIL?? ARRAY FOR DATALINE PROTECTION; TRANSIL ？数组，数据线保护
| 型号： | ITAXXU1 |
| 厂家： | 
ST |
| 描述： | TRANSIL?? ARRAY FOR DATALINE PROTECTION |
| 文件： | 总6页 (文件大小：62K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ITAxxU1
®
TRANSIL™ ARRAY
FOR DATALINE PROTECTION
ASD™
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 (8/20µs)
SO-8
■
■
■
Peak pulse power : 300 W (8/20µs)
Up to 6 bidirectional Transil functions
Low clamping factor (VCL / VBR) at high current
level
Low leakage current
ESD protection up to 15kV
Table 1: Order Codes
■
■
Part Number
ITA6V1U1
Marking
6V1U1
6V1U1
ITA6V1U1RL
DESCRIPTION
Transil diode arrays provide high overvoltage pro-
tection by clamping action. Their instantaneous re-
sponse to transient overvoltages makes them
particularly suited to protect voltage sensitive de-
vices such as MOS Technology and low voltage
supplied IC’s.
Figure 1: Functional Diagram
The ITA series allies high surge capability against
energetic pulses with high voltage performance
against ESD.
I/O1 1
I/O2 2
I/O3 3
I/O4 4
8 I/O6
7 GND
6 GND
COMPLIES WITH THE FOLLOWING STANDARDS:
5
I/O5
■
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
1/6
ITAxxU1
Table 2: Absolute Ratings (Tamb = 25°C)
Symbol
Parameter
Value
300
Unit
W
PPP
Tj initial = Tamb
Tj initial = Tamb
Peak pulse power (8/20µs) (see note 1)
Peak pulse current (8/20µs) (see note 1)
IPP
40
A
I2t
Tj
Wire I2t value (see note 1)
A2s
°C
0.6
Maximum operating junction temperature
Storage temperature range
125
Tstg
TL
-55 to +150
260
°C
Maximum lead temperature for soldering during 10 s at 5mm for case
°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 = 25°C)
Symbol
Parameter
Stand-off voltage
I
IF
VRM
VBR
VCL
IRM
IPP
Breakdown voltage
Clamping voltage
VBR
VF
VRM
VCL
V
Leakage current
IRM
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
Capacitance
αT
VF
IPP
C
VBR @ IR IRM @ VRM VCL
@
IPP VCL
@
IPP
VF @ IF
αT
C
min.
max.
max. 8/20µs max. 8/20µs max.
max. max.
Part
Number
note 2
note 2
note 2
note 3
10-4/°C
V
mA
1
µA
10
V
5
V
A
V
A
pF
V
A
1
ITA6V1U1 6.51
10
10
12
25
4
1500
1.3
Note 2: Between I/O pin and ground.
Note 3: Between two input pins at 0V Bias, F = 1 MHz.
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ITAxxU1
Figure 2: Pulse waveform
%IPP
Figure 3: Typical peak pulse power versus
exponential pulse duration
P
(W)
PP
1000
100
10
Tj initial=25°C
8µs
100
Pulse waveform 8/20µs
50
0
t
t (ms) expo
P
20µs
1E-3
1E-2
1E-1
1E+0
1E+1
Figure 4: Clamping voltage versus peak pulse
current (exponential waveform 8/20µs)
Figure 5: Peak current IDC inducing open
circuit of the wire for one input/output versus
pulse duration (typical values)
V
(V)
I
(A)
CL
DC
1E+03
1E+03
1E+02
%IPP
100
Tj initial=25°C
Exponential waveform
50
0
t
tr
tp
1E+02
1E+01
1E+00
1E+01
1E+00
I
PP
(A)
t (ms)
P
1E-01
1E+00
1E+01
1E+02
1E-02
1E-01
1E+00
1E+01
Figure 6: Junction capacitance versus reverse
applied voltage for one input/output (typical
values)
Figure 7: Relative variation of leakage current
versus junction temperature
C(pF)
I (T )
R
j
1500
I (T =25°C)
R
j
Tj=25°C
F=1MHz
5E+3
1E+3
VR=VRM
1250
1000
750
1E+2
1E+1
1E+0
1E-1
T (°C)
j
V (V)
R
500
0
25
50
75
100
125
150
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
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ITAxxU1
APPLICATION INFORMATION
Figure 8: µP I/O lines
+5V
I/O
I/O
I/O
I/O
I/O
µP
interface
I/O
GND
Figure 9: 2.5V datalines
I/O
I/O
I/O
Line
driver
I/O
GND
+2.5V -2.5V
Figure 10: Ordering Information Scheme
Integrated Transil Array
ITA 6V1 U 1 RL
Breakdown Voltage (min)
25 = 25 Volt
Type of lines protected
U = Unidirectional
Package
1 = SO-8
Packaging
RL = Tape & reel
Blank = Tube
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ITAxxU1
Figure 11: SO-8 Package Mechanical Data
DIMENSIONS
Millimetres Inches
Min. Typ. Max. Min. Typ. Max.
REF.
h x 45°
A
a1
a2
1.75
0.25 0.004
1.65
0.85 0.025
0.48 0.014
0.25 0.007
0.069
0.010
0.065
0.033
0.019
0.010
0.020
C
ddd C
(Seating
Plane)
0.25mm
(Gage Plane)
0.1
A2
A
A1
e
B
k
a3 0.65
0.35
b1 0.19
L
b
D
C
c1
D
E
0.25 0.50 0.50 0.010
45° (typ)
8
1
5
4
4.8
5.8
5.0 0.189
6.2 0.228
0.197
0.244
E
H
e
e3
F
L
M
S
1.27
3.81
0.050
0.150
3.8
0.4
4.0 0.15
1.27 0.016
0.6
0.157
0.050
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
Marking
6V1U1
6V1U1
Package
Weight
Base qty
Delivery mode
Tube
2000
2500
SO-8
0.08 g
ITA6V1U1RL
Tape & reel
Table 5: Revision History
Date
Revision
Description of Changes
13-Dec-2004
1
First issue
5/6
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
© 2004 STMicroelectronics - All rights reserved
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