330/150T データシートの表示（PDF） - California Micro Devices => Onsemi
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330/150T Datasheet PDF : 3 Pages
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CALIFORNIA MICRO DEVICES
PACTFSERIES
P/ACTIVE® CLOCK TERMINATION AND FILTER
Features
8 Channels in Miniature QSOP Package
Frequency Response to greater than 3 GHz
Low In-Band Insertion Loss Maintains
Signal Integrity
Low Distortion, Low Cross Talk
ESD Protected
Applications
High speed microprocessor clock termination
Pin Assignments
Product Description
High speed microprocessor systems require well controlled, precise, fast edge-rate clock signals. Clock lines behave as
transmission lines for fast-edge signals and therefore the lines may exhibit transients caused by reflections and switching
noise. The PACTF clock filter reduces reflections and slows down edges to help reduce EMI/RFI radiation.
California Micro Devices P/Active Tapped Filter is an integrated thin film resistor-capacitor network designed to filter clock
lines and suppress EMI/RFI noise in personal computers and peripherals, workstations, Local Area Network (LAN), Asynchro-
nous Transfer Mode (ATM), and Wide Area Network (WAN). The filter includes ESD protection circuitry which prevents
device destruction when subjected to ESD discharges less than 2KV. The ESD protection circuitry permits the filter to
operate on bipolar signals of up to ±6V. California Micro Devices PAC TF is housed in a surface mount package suitable
for bottom side mounting to the board. This integrated network solution minimizes space and routing problems and
improves reliability and yields.
STANDARD SPECIFICATIONS
Absolute Tolerance (R)
±10%
Absolute Tolerance (C)
±20%
Operating Temperature Range
0°C to 70°C
Power Rating/Resistor
100mW
Leakage Current
1 µA @ 25ºC max.
Crosstalk (see Text Circuit)
< 5% (typical)
ESD Clamp
Positive Clamp
> 6 Volts
Negative Clamp
< -6 Volts
ESD Protection*
2KV min.
Storage Temperature
-60°C to 150°C
Package Power Rating
1.00W, max.
* ESD Protection level guaranteed by design.
SCHEMATIC CONFIGURATION
24 23 22 21 20 19 18 17 16 15 14 13
1 2 3 4 5 6 7 8 9 10 11 12
© 2000 California Micro Devices Corp. All rights reserved.
4/00
215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
C0380798
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