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CY7B9910-7SI

更新时间: 2024-09-18 23:16:27
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟驱动器逻辑集成电路光电二极管信息通信管理
页数 文件大小 规格书
7页 165K
描述
Low Skew Clock Buffer

CY7B9910-7SI 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:0.300 INCH, MO-119, SOIC-24
针数:24Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.73
系列:7B输入调节:STANDARD
JESD-30 代码:R-PDSO-G24JESD-609代码:e0
长度:15.392 mm逻辑集成电路类型:PLL BASED CLOCK DRIVER
最大I(ol):0.046 A湿度敏感等级:1
功能数量:1反相输出次数:
端子数量:24实输出次数:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP24,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):225
电源:5 VProp。Delay @ Nom-Sup:0.7 ns
传播延迟(tpd):0.7 ns认证状态:Not Qualified
Same Edge Skew-Max(tskwd):0.75 ns座面最大高度:2.667 mm
子类别:Clock Drivers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:BICMOS
温度等级:INDUSTRIAL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处于峰值回流温度下的最长时间:30
宽度:7.5057 mm最小 fmax:80 MHz
Base Number Matches:1

CY7B9910-7SI 数据手册

 浏览型号CY7B9910-7SI的Datasheet PDF文件第2页浏览型号CY7B9910-7SI的Datasheet PDF文件第3页浏览型号CY7B9910-7SI的Datasheet PDF文件第4页浏览型号CY7B9910-7SI的Datasheet PDF文件第5页浏览型号CY7B9910-7SI的Datasheet PDF文件第6页浏览型号CY7B9910-7SI的Datasheet PDF文件第7页 
1CY7B9920  
fax id: 3516  
CY7B9910  
CY7B9920  
Low Skew  
Clock Buffer  
Features  
Block Diagram Description  
• All outputs skew <100 ps typical (250 max.)  
• 15- to 80-MHz output operation  
• Zero input to output delay  
• 50% duty-cycle outputs  
Outputs drive 50terminated lines  
• Low operating current  
Phase Frequency Detector and Filter  
These two blocks accept inputs from the reference frequency  
(REF) input and the feedback (FB) input and generate correc-  
tion information to control the frequency of the Voltage-Con-  
trolled Oscillator (VCO). These blocks, along with the VCO,  
form a Phase-Locked Loop (PLL) that tracks the incoming  
REF signal.  
• 24-pin SOIC package  
VCO  
• Jitter: <200 ps peak to peak, <25 ps RMS  
• Compatible with Pentium™-based processors  
The VCO accepts analog control inputs from the PLL filter  
block and generates a frequency. The operational range of the  
VCO is determined by the FS control pin.  
Functional Description  
The CY7B9910 and CY7B9920 Low Skew Clock Buffers offer  
low-skew system clock distribution. These multiple-output  
clock drivers optimize the timing of high-performance comput-  
er systems. Eight individual drivers can each drive terminated  
transmission lines with impedances as low as 50while deliv-  
ering minimal and specified output skews and full-swing logic  
levels (CY7B9910 TTL or CY7B9920 CMOS).  
Test Mode  
The TEST input is a three-level input. In normal system oper-  
ation, this pin is connected to ground, allowing the  
CY7B9910/CY7B9920 to operate as explained above. (For  
testing purposes, any of the three-level inputs can have a re-  
movable jumper to ground, or be tied LOW through a 100Ω  
resistor. This will allow an external tester to change the state of  
these pins.)  
The completely integrated PLL allows “zero delay” capability.  
External divide capability, combined with the internal PLL, allows  
distribution of a low-frequency clock that can be multiplied by virtu-  
ally any factor at the clock destination. This facility minimizes clock  
distribution difficulty while allowing maximum system clock speed  
and flexibility.  
If the TEST input is forced to its MID or HIGH state, the device  
will operate with its internal phase-locked loop disconnected,  
and input levels supplied to REF will directly control all outputs.  
Relative output to output functions are the same as in normal  
mode.  
Logic Block Diagram  
Pin Configuration  
TEST  
Voltage  
Controlled  
Oscillator  
PHASE  
FREQ  
DET  
FB  
FILTER  
REF  
SOIC  
Top View  
FS  
REF  
1
24  
23  
22  
21  
GND  
TEST  
NC  
Q0  
Q1  
Q2  
Q3  
Q4  
Q5  
Q6  
Q7  
V
CCQ  
FS  
2
3
NC  
4
GND  
V
CCQ  
20  
19  
18  
17  
16  
15  
5
V
CCN  
6
V
CCN  
Q0  
7B9910  
7B9920  
Q7  
Q6  
GND  
Q5  
Q4  
7
Q1  
GND  
Q2  
8
9
10  
11  
12  
14  
13  
Q3  
V
CCN  
V
CCN  
FB  
7B9910–1  
7B9910–2  
Pentium is a trademark of Intel Corporation.  
Cypress Semiconductor Corporation  
3901 North First Street  
San Jose  
CA 95134  
408-943-2600  
November 1994 – Revised July 7, 1997  

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