參數資料
| 型號： | PI6C3421ATEX |
| 廠商： | Pericom |
| 文件頁數： | 1/7頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK SYNTH SOT23-6 |
| 標準包裝： | 1 |
| 類型： | 時鐘同步器 |
| PLL： | 無 |
| 輸入： | CMOS |
| 輸出： | CMOS |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 1:2 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 27MHz |
| 除法器/乘法器： | 無/無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-23-6 |
| 包裝： | 標準包裝 |
| 其它名稱： | PI6C3421ATEXDKR |
1
PS8836E
11/06/09
Product Features
14.318 MHz input frequency, (crystal or external reference)
Two High Precision outputs:
—27.000 MHz SSC clock output
—27.000 MHz clock output
Four Down-Spread options:
— Down-spread: -0.25%, -0.5%, -0.75% and -1.0% typical at
14.318MHz input
Single 3.3V Power Supply
Modulation Rate: Fin /448
Industrial and commercial temperature supported
Packaging ( Pb-Free and Green):
— SOTiny 6-pin SOT23 (T)
PI6C3421A
27MHz Spread Spectrum
Clock Synthesizer
Description
The PI6C3421A is a Spread Spectrum Clock Synthesizer and
part of the Pericom SSCG product family. The part generates
one high precision 27.000 MHz spread spectrum clock
output from a single clock source or a crystal and one 27.000
MHz un-modulated clock output, and is designed to reduce
electromagnetic interference (EMI) by spreading the clock.
This reduction in EMI can result in signicant system cost
saving and less design complexity by reducing the number of
circuit board layers ferrite beads and shielding. In the absence
of a spread spectrum clock, other EMI-reducing components
are required in order to comply with regulatory agency
requirements.
The spreading ratio is selectable using the selection pins. The
PI6C3421A provides -0.25%, -0.5%, -0.75% and -1.0% spread
modulation through external logic stage setting. The variety and
the reduced size of the package outlines can save precious board
space and make layout easier.
PI6C3421A is one of the clock products provided by Pericom.
If your application needs a clock product with a different
specication not currently provided, please contact us for
further information or custom design.
Block Diagram
Pin Conguration
27M
27M_SSC
REFIN/X1
X2
S0
S1
Clock
Synthesizer
VDD
X1/REFIN
27M_SSC/S0
GND
X2/S1
27M
6-Pin
SOT23
Applications
The PI6C3421A can be used in most multimedia applica-
tions and embedded systems including but not limited to the
following:
PDAs
DSCs
Printers/ MFPs
Media players
Portable-TVs
Embedded digital video devices
CD-ROM, VCD and DVD players
LCD Panel Modules
Automotive components
Networking devices
Benets
Reduction in EMI
System cost saving
Reduced system complexity
Faster time to market
09-0001
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| PI6C3450TEX | 功能描述:時鐘合成器/抖動清除器 DLDSpread Spectrum Clock Synth RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
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| PI6C3503LE | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Low Power Spread Spectrum Frequency Multiplier |
| PI6C3503TE | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Low Power Spread Spectrum Frequency Multiplier |
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