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參數(shù)資料
| 型號(hào)： | ABE0114SC-T |
| 廠商： | ABRACON CORP |
| 元件分類(lèi)： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 60 MHz - 180 MHz, CMOS/TTL OUTPUT |
| 封裝： | SOIC, 8 PIN |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大小： | 49K |
| 代理商： | ABE0114SC-T |
ABE0114
Low EMI Spread Spectrum 6x Multiplier Clock
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001
www.Abracon.com
03/21/05 Page 2
BLOCK DIAGRAM
PIN DESCRIPTION
Name
Number
Type
Description
XIN/FIN
1
I
Crystal input to be connected to fundamental parallel mode crystal.(C
L
=18pF) or
clock input.
Crystal output.
Digital control input to select modulation rate. 30k
internal pull-up.
Digital control input to select modulation rate. 30k
internal pull-up.
Ground connection.
Modulated Clock Frequency Output (FOUT = 6 x FIN).
Output Enable. When low, Tri-states the outputs. 30k
internal pull-up.
3.3V Power Supply connection.
XOUT
SC0
SC1
GND
FOUT
OE
VDD
2
3
4
5
6
7
8
O
I
I
P
O
I
P
FUNCTIONAL DESCRIPTION
Selectable spread spectrum and modulation rates
The ABE0114 provides center spread modulation as well as selectable modulation rate. Selection is made by
connecting pins 3 (SC0) and 4 (SC1) to a logical “zero” or “one”, according to the Spread Spectrum Selection
table on page 1.
Connecting a selection pin to a logical “one”
All selection pins have an internal pull-up resistor (30k
). This internal pull-up resistor will pull the input value to
a logical “one” by default, i.e. when no connection is made to GND. No external pull-up resistor is therefore
required for connecting a logical “one” upon power-up.
Connecting a selection pin to a logical “zero”
Pins 3 (SC0), 4 (SC1), and 7 (OE) simply need to be grounded to pull the input down to a logical “zero”.
XTAL
OSC
FOUT
XIN/FIN
XOUT
PLL
SST
Control
Logic
OE
SC(0:1)
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相關(guān)代理商/技術(shù)參數(shù) |
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| ABE0121 | 制造商:ABRACON 制造商全稱(chēng):Abracon Corporation 功能描述:Low EMI Spread Spectrum Multiplier Clock |
| ABE0121SC | 制造商:ABRACON 制造商全稱(chēng):Abracon Corporation 功能描述:Low EMI Spread Spectrum Multiplier Clock |
| ABE0121SC-T | 制造商:ABRACON 制造商全稱(chēng):Abracon Corporation 功能描述:Low EMI Spread Spectrum Multiplier Clock |
| ABE0125 | 制造商:ABRACON 制造商全稱(chēng):Abracon Corporation 功能描述:Low EMI Spread Spectrum Multiplier Clock |
| ABE0125SC | 制造商:ABRACON 制造商全稱(chēng):Abracon Corporation 功能描述:Low EMI Spread Spectrum Multiplier Clock |
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