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PDF AZC002-04S Data sheet ( Hoja de datos )
| Número de pieza | AZC002-04S | |
| Descripción | Low Capacitance ESD Protection Array | |
| Fabricantes | Amazing Microelectronic | |
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AZC002-04S
Low Capacitance ESD Protection Array
For High Speed Data Interfaces
Features
z ESD Protect for 4 high-speed I/O channels
z Provide ESD protection for each channel to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) (5/50ns) Level-3, 20A for I/O,
40A for Power
IEC 61000-4-5 (Lightning) 6A (8/20μs)
z 5V operating voltage
z Low capacitance : 1.2pF typical
z Fast turn-on and Low clamping voltage
z Array of surge rated diodes with internal
equivalent TVS diode
z Small package saves board space
z Solid-state silicon-avalanche and active circuit
triggering technology
z Green part available
Applications
z USB2.0 Power and Data lines protection
z Notebook and PC Computers
z Monitors and Flat Panel Displays
z IEEE 1394 Firewire Ports
z Video Graphics Cards
z SIM ports
Description
AZC002-04S is a high performance and low cost
design which includes surge rated diode arrays
to protect high speed data interfaces. The
AZC002-04S family has been specifically
designed to protect sensitive components, which
are connected to data and transmission lines,
from over-voltage caused by Electrostatic
Discharging (ESD), Electrical Fast Transients
(EFT), and Lightning.
AZC002-04S is a unique design which includes
surge rated, low capacitance steering diodes and
a unique design of clamping cell which is an
equivalent TVS diode in a single package. During
wwwt.rDaantsaSiehneett4cUo.cnodmitions, the steering diodes direct
the transient to either the power supply line or to
the ground line. The internal unique design of
clamping cell prevents over-voltage on the power
line, protecting any downstream components.
AZC002-04S may be used to meet the ESD
immunity requirements of IEC 61000-4-2, Level 4
(± 15kV air, ±8kV contact discharge).
Circuit Diagram
5
1346
2
Pin Configuration
I/O 4
VDD
I/O 3
654
123
I/O 1
GND
I/O 2
JEDEC SOT23-6L (Top View)
Revision 2008/09/29 ©2008-2009 Amazing Micro.
1
www.amazingIC.com
1 page  
AZC002-04S
Low Capacitance ESD Protection Array
For High Speed Data Interfaces
B. Device Connection
The AZC002-04S is designed to protect four
data lines and power rails from transient
over-voltage (such as ESD stress pulse). The
device connection of AZC002-04S is shown in
the Fig. 2. In Fig. 2, the four protected data lines
are connected to the ESD protection pins (pin1,
pin3, pin4, and pin6) of AZC002-04S. The ground
pin (pin2) of AZC002-04S is a negative reference
pin. This pin should be directly connected to the
GND rail of PCB (Printed Circuit Board). To get
minimum parasitic inductance, the path length
should keep as short as possible. In addition, the
power pin (pin 5) of AZC002-04S is a positive
reference pin. This pin should directly connect to
the VDD rail of PCB. When pin 5 of AZC002-04S
is connected to the VDD rail, the leakage current
of ESD protection pin of AZC002-04S becomes
very small. Because the pin 5 of AZC002-04S is
directly connected to VDD rail, the VDD rail also
can be protected by the power-rail ESD clamped
circuit (not shown) of AZC002-04S.
AZC002-04S can provide protection for 4 I/O
signal lines simultaneously. If the number of I/O
signal lines is less than 4, the unused I/O pins
can be simply left as NC pins.
In some cases, systems are not allowed
to be reset or restart after the ESD stress
directly applying at the I/O-port connector.
Under this situation, in order to enhance the
sustainable ESD Level, a 0.1μF chip capacitor
can be added between the VDD and GND rails.
The place of this chip capacitor should be as
close as possible to the AZC002-04S.
I/O 1
To
I/O-port
Connector I/O 2
data line
data line
I/O 1
To
Prote cte d
I/O 2 IC
GND rail
1
2
3
6 VDD rail
5 *Optional
0.1μF
Chip Cap.
4
I/O 3
To
I/O-port
Conne ctor
I/O 4
data line
data line
I/O 3 To
Prote cte d
IC
I/O 4
Fig. 2 Data lines and power rails connection of AZC002-04S.
www.DataSheet4U.com
Revision 2008/09/29 ©2008-2009 Amazing Micro.
5
www.amazingIC.com
5 Page 
LAND LAYOUT
AZC002-04S
Low Capacitance ESD Protection Array
For High Speed Data Interfaces
Notes:
This LAND LAYOUT is for reference
purposes only. Please consult your
manufacturing partners to ensure your
company’s PCB design guidelines are met.
MARKING CODE
CCS00122X5XY
C02 = Device Code
X = Date Code
Y = Control Code
Index
A
B
C
D
E
F
Dimensions
Millimeter
0.60
1.10
0.95
2.50
1.40
3.60
Inches
0.024
0.043
0.037
0.098
0.055
0.141
Part Number
AZC002-04S
AZC002-04S
(Green part)
Marking Code
C02XY
C08XY
www.DataSheet4U.com
Revision 2008/09/29 ©2008-2009 Amazing Micro.
11
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AZC002-04S.PDF ] | |
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