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Semtech Corporation
Semtech Corporation

EClamp2455P Datasheet Preview

EClamp2455P Datasheet

ESD/EMI Protection

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EClamp2455P pdf
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PROTECTION PRODUCTS - EMIClampTM
Description
The EClampTM2455P is combination EMI filter and line
termination device with integrated TVS diodes for use on
SIM Card interfaces on cellular phones and other por-
table electronics. This state-of-the-art device utilizes
solid-state silicon-avalanche technology for superior
clamping performance and DC electrical characteristics.
The device consists of three circuits that include series
impedance matching resistors for proper termination of
the SIM card interface. Termination resistor value of
100 Ohms is included on the RST and Data lines and 47
Ohms on the CLK line. TVS diodes are also included on
each line for ESD protection in excess of ±15kV (air
discharge) and ±8kV (contact discharge) per IEC 61000-
4-2, level 4. An additional TVS diode connection is
included for protection of the voltage (Vcc) bus.
The EClamp2455P is in a 8-pin, RoHS/WEEE compliant,
SLP2116P8 package. It measures 2.1 x 1.6 x
0.58mm. The leads are spaced at a pitch of 0.5mm
and are finished with lead-free NiPdAu. The small
package makes it ideal for use in portable electronics
such as cell phones and digital still cameras.
Features
EClamp2455P
ESD/EMI Protection
for SIM Card
PRELIMINARY
‹ Bidirectional EMI/RFI filter with integrated TVS
for ESD protection
‹ ESD protection to IEC 61000-4-2 (ESD) Level 4,
±15kV (air), ±8kV (contact)
‹ TVS working voltage: 5V
‹ Termination Resistors: 100 Ohms & 47 Ohms
‹ Capacitance: 20pF (Typical at VR = 0V)
‹ Protection and filtering for four lines
‹ Solid-state technology
Mechanical Characteristics
‹ SLP2116P8 8-pin package
‹ RoHS/WEEE Compliant
‹ Nominal Dimensions: 2.1 x 1.6 x 0.58 mm
‹ Lead Pitch: 0.5mm
‹ Lead finish: NiPdAu
‹ Marking: Marking Code
‹ Packaging: Tape and Reel per EIA 481
Applications
‹ SIM Card
‹ Cell Phone
‹ PDAs and Smartphones
Pin Configuration
Package Configuration
RST Out 1
CLK Out
Data Out
NC 4
8 RST In
CLK In
Gnd
Data In
5 Vcc
2.10
12
1.60
0.50 BSC
0.58
Pin Identification and Configuration
(Top Side View)
Revision 03/27/2007
8 Pin SLP package (Bottom Side View)
Nominal Dimensions in mm
1 www.semtech.com



Semtech Corporation
Semtech Corporation

EClamp2455P Datasheet Preview

EClamp2455P Datasheet

ESD/EMI Protection

No Preview Available !

EClamp2455P pdf
PROTECTION PRODUCTS
Pin Identification and Configuration
Pin Symbol
1, 8 RST
2, 7 CLK
3, 6 Data
4 NC
5 Vcc
Center
tab
GND
Identification
Reset input/output with
termination resistor
Clock input/output with
termination resistor
Data input/output with
termination resistor
No Connect
Power Supply ESD
Protection
Ground connection
EClamp2455P
PRELIMINARY
8 765
Gnd
1 234
Pin Configuration (Top View)
Schematics & Component Values
Vcc
RST IN
CLK IN
Data IN
100 Ω
47 Ω
100 Ω
© 2007 Semtech Corp.
GND
2
RST OUT
CLK OUT
Data OUT
www.semtech.com


Part Number EClamp2455P
Description ESD/EMI Protection
Maker Semtech Corporation
Total Page 8 Pages
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EClamp2455P Datasheet PDF
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