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參數(shù)資料
| 型號(hào)： | P2784AG-08TT |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | General Purpose EMI Reduction IC |
| 中文描述： | 312 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | GREEN, TSSOP-8 |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大?。?/td> | 169K |
| 代理商： | P2784AG-08TT |
July 2005
rev 1.5
Pin Configuration
Pin Description (P278XA)
Pin#
Pin Name
P2781/82/84
General Purpose EMI Reduction IC
2 of 11
Notice: The information in this document is subject to change without notice.
Type
Description
1
XIN/CLKIN
I
Connect to crystal or clock input. This pin has dual functions. It can be connected
either to an external crystal or an external reference clock.
Crystal connection. If using an external reference, this pin must be left
unconnected.
Digital logic input used to select input frequency range
(see the Input Frequency Selection Table). This pin has an internal pull-up
resistor.
External Loop Filter for the PLL. By changing the value of the CRC circuit, the
percentage spread can be adjusted accordingly. See the Loop Filter Selection
Table for detail value.
Ground Connection. Connect to system ground.
2
XOUT
O
3
FS1
I
4
LF
I
5
VSS
I
6
ModOUT
O
Spread Spectrum Clock Output.
Digital logic input used to select input frequency range
(see the Input Frequency Selection Table). This pin has an internal pull-up
resistor.
Connect to +3.3 V
7
FS0
I
8
VDD
P
Input Frequency Selection Table
Output Frequency Scaling (MHz)
P2781A
P2782A
3 to 9
6 to 18
10 to 19
20 to 38
20 to 38
40 to 76
39 to 78
78 to 156
FS1
FS0
Input (MHz)
P2784A
12 to 36
40 to 76
80 to 152
156 to 312
Modulation Rate (KHz)
0
0
1
1
0
1
0
1
3 to 9
10 to 19
20 to 38
39 to 78
Fin / 128
Fin / 256
Fin / 512
Fin / 1024
1
2
3
4
8
7
6
5
XIN / CLKIN
XOUT
FS1
LF
VDD
FS0
ModOUT
VSS
P278XA-08S
P278XA-08T
Standard pin Configuration offered in both
8 pin SOIC and TSSOP Packages
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| P278CJ473M440A | 制造商:KEMET Corporation 功能描述:Cap Paper 0.047uF 1000V 20% (24 X 9 X 15mm) Radial 20.3mm 110 制造商:KEMET Corporation 功能描述:CAP 0.047UF 440VAC 20% 24 X 9 X 15MM RDL 20.3MM - Bulk |
| P278CJ473M440C | 制造商:KEMET Corporation 功能描述:Cap Paper 0.047uF 1000V 20% (24 X 9 X 15mm) Radial 20.3mm 110°C Bulk 制造商:KEMET Corporation 功能描述:CAP 0.047UF 440VAC 20% 24 X 9 X 15MM RDL 20.3MM - Bulk 制造商:Kemet 功能描述:Cap Paper 0.047uF 1000V 20% (24 X 9 X 15mm) Radial 20.3mm 110°C Bulk |
| P278CJ473M480A | 功能描述:0.047μF Film Capacitor 480V Paper, Metallized Radial 0.945" L x 0.354" W (24.00mm x 9.00mm) 制造商:kemet 系列:PME278 包裝:散裝 零件狀態(tài):有效 電容:0.047μF 容差:±20% 額定電壓 - AC:480V 額定電壓 - DC:- 介電材料:紙，金屬化 ESR（等效串聯(lián)電阻）:- 工作溫度:-40°C ~ 110°C 安裝類型:通孔 封裝/外殼:徑向 大小/尺寸:0.945" 長(zhǎng) x 0.354" 寬（24.00mm x 9.00mm） 高度 - 安裝（最大值）:0.591"（15.00mm） 端接:PC 引腳 引線間距:0.799"（20.30mm） 應(yīng)用:EMI，RFI 抑制 特性:達(dá)到 X1 安全等級(jí) 標(biāo)準(zhǔn)包裝:200 |
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| P278EJ104M440A | 制造商:KEMET Corporation 功能描述:Cap Paper 0.1uF 1000V 20% (30.5 X 12.1 X 19mm) Radial 25.4mm 110°C Bulk 制造商:KEMET Corporation 功能描述:CAP 0.1UF 440VAC 20% 30.5 X 12.1 X 19MM RDL 25.4MM - Bulk |
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