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PI6C918W PDF预览

PI6C918W

更新时间: 2024-09-30 21:54:51
品牌 Logo 应用领域
百利通 - PERICOM 时钟发生器
页数 文件大小 规格书
3页 59K
描述
3.3V PRECISION CLOCK GENERATOR

PI6C918W 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.92JESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出时钟频率:80 MHz
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:3.3 V
主时钟/晶体标称频率:20 MHz认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Clock Generators
最大压摆率:20 mA最大供电电压:3.63 V
最小供电电压:2.97 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

PI6C918W 数据手册

 浏览型号PI6C918W的Datasheet PDF文件第2页浏览型号PI6C918W的Datasheet PDF文件第3页 
PI6C918/919  
3.3V Precision Clock Generator  
Features  
Description  
• No external capacitors (919 only)  
• Excellent signal quality  
The PI6C918 and PI6C919 are high-precision, low-voltage  
general-purpose clock generators that reach a maximum output  
frequency of 120 MHz. These devices use an external low-cost  
crystal to generate very accurate and stable system clocks.  
• Very low jitter  
• Precise frequencies  
These frequency synthesizers include a crystal oscillator, a  
programmable PLL and an output buffer. Any one of four  
different output frequencies can be selected via two select pins  
(S0, S1). The frequency multipliers are: 2, 4, 5, and 7.  
• Minimal undershoot, ringback or overshoot  
• Nearly perfect 50% duty cycle  
• Four selectable clock frequencies  
• Operates at Vcc = 3.3V  
The PI6C919 has on-chip capacitors, eliminating the need for  
externalcapacitorsattheX1, X2pins. Thisreducesoverallparts  
count and board area, and increases reliability.  
• Output may be disabled to save power  
• Small 150-mil wide SOIC -8 (W8) package  
saves board area  
The OE (output enable) pin may be pulled down to disable the  
output buffer and save system power.  
Pin Configuration  
The small surface-mount SOIC-8 package is ideal for compact  
portable equipment applications.  
1
2
3
4
8
7
6
5
OE  
X1  
Vcc  
S1  
Pin Description  
8-PIN  
W8  
Pin Name Pin # I/O Description  
X2  
S0  
S0  
S1  
6
7
2
3
5
1
I
I
Select 0, internal pull-up  
Select 1, internal pull-up  
Crystal or clock input, 8 to 23 MHz  
Crystal connection or no connect  
Clock output  
GND  
CLK  
X1  
C
C
O
I
X2  
CLK  
OE  
OE = 1 Enable CLK output  
OE = 0 Disable CLK output  
Output CLK Frequency Selection  
Note:  
Clock  
Clock  
Clock  
Clock  
1. I = Input, O = Output, C = Crystal  
Product Speed Grades  
Max CLK  
Selection  
S1, S0  
(using10 (using 16.6 (using 20 (using 22.1  
N/M(2) MHz Xtal) MHz Xtal) MHz Xtal) MHz Xtal)  
00  
01  
10  
11  
2
4
5
7
33.3(1)  
66.6(1)  
83  
40  
80(1)  
100(1)  
44.2  
88.4  
110.5  
Max VCO  
Frequency  
40(1)  
50(1)  
70(1)  
Part No.  
Output Freq.  
PI6C918/919  
PI6C918A/919A  
PI6C918B/919B  
80 MHz  
160 MHz  
200 MHz  
240 MHz  
116  
100 MHz  
120 MHz  
Notes:  
1. Indicates popular target frequencies.  
2. The ratio of N/M may be changed by mask option.  
PS7038B  
09/08/97  
1

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