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CY7C9915-1JXC PDF预览

CY7C9915-1JXC

更新时间: 2024-11-11 04:38:11
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟
页数 文件大小 规格书
14页 309K
描述
3.3V Programmable Skew Clock Buffer

CY7C9915-1JXC 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFJ
包装说明:QCCJ,针数:32
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.83系列:9915
输入调节:STANDARDJESD-30 代码:R-PQCC-J32
JESD-609代码:e3长度:13.97 mm
逻辑集成电路类型:PLL BASED CLOCK DRIVER湿度敏感等级:3
功能数量:1反相输出次数:
端子数量:32实输出次数:8
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装形状:RECTANGULAR封装形式:CHIP CARRIER
峰值回流温度(摄氏度):260认证状态:Not Qualified
Same Edge Skew-Max(tskwd):0.5 ns座面最大高度:3.556 mm
最大供电电压 (Vsup):3.63 V最小供电电压 (Vsup):2.97 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
温度等级:COMMERCIAL端子面层:MATTE TIN
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:20
宽度:11.43 mm最小 fmax:150 MHz
Base Number Matches:1

CY7C9915-1JXC 数据手册

 浏览型号CY7C9915-1JXC的Datasheet PDF文件第2页浏览型号CY7C9915-1JXC的Datasheet PDF文件第3页浏览型号CY7C9915-1JXC的Datasheet PDF文件第4页浏览型号CY7C9915-1JXC的Datasheet PDF文件第5页浏览型号CY7C9915-1JXC的Datasheet PDF文件第6页浏览型号CY7C9915-1JXC的Datasheet PDF文件第7页 
CY7C9915  
PRELIMINARY  
3.3V Programmable Skew Clock Buffer  
Features  
Functional Description  
• All output pair skew <100 ps (typical)  
• Input Frequency Range: 3.75 MHz to 150 MHz  
• Output Frequency Range: 3.75 MHz to 150 MHz  
• User-selectable output functions  
— Selectable skew to 18 ns  
The CY7C9915 RoboClock is a 150-MHz Low-voltage  
Programmable Skew Clock Buffer that offers user-selectable  
control over system clock functions. This multiple-output clock  
driver provides the system integrator with functions necessary  
to optimize the timing of high-performance computer systems.  
Eight individual drivers, arranged as four pairs of user-control-  
lable outputs, can each drive terminated transmission lines  
with impedances as low as 50while delivering minimal and  
specified output skews and full-swing logic levels (LVTTL).  
— Inverted and non-inverted  
— Operation at 12 and 14 input frequency  
Each output can be hardwired to one of nine delay or function  
configurations. Delay increments of 0.42 to 1.6 ns are deter-  
mined by the operating frequency with outputs able to skew up  
to ±6 time units from their nominal “zero” skew position. The  
completely integrated PLL allows external load and trans-  
mission line delay effects to be canceled. When this “zero  
delay” capability of the LVPSCB is combined with the  
selectable output skew functions, the user can create  
output-to-output delays of up to ±12 time units.  
— Operation at 2x and 4x input frequency (input as low  
as 3.75 MHz)  
• Zero input-to-output delay  
• 3.3V power supply  
• ± 3.0% Output Duty Cycle Distortion  
LVTTL outputs drive 50terminated lines  
• Low operating current  
Divide-by-two and divide-by-four output functions are provided  
for additional flexibility in designing complex clock systems.  
When combined with the internal PLL, these divide functions  
allow distribution of a low-frequency clock that can be multi-  
plied by two or four at the clock destination. This facility  
minimizes clock distribution difficulty while allowing maximum  
system clock speed and flexibility.  
• 32-pin PLCC package  
• Jitter < 100ps peak-to-peak (< 15 ps RMS)  
Block Diagram  
Pin Configuration  
TEST  
PHASE  
FB  
VCO AND  
TIME UNIT  
FREQ  
DET  
FILTER  
REF  
GENERATOR  
1
4
3
32  
2
31 30  
29  
3F1  
4F0  
4F1  
5
6
7
2F0  
GND  
1F1  
FS  
28  
27  
4Q0  
4Q1  
4F0  
4F1  
VCCQ  
VCCN4  
4Q1  
4Q0  
GND  
8
9
10  
11  
12  
13  
1F0  
VCCN1  
1Q0  
1Q1  
GND  
26  
25  
24  
23  
22  
21  
SELECT  
INPUTS  
(THREE  
LEVEL)  
CY7C9915  
SKEW  
SELECT  
MATRIX  
3Q0  
3Q1  
3F0  
3F1  
GND  
GND  
17  
14 15  
18  
19 20  
16  
2Q0  
2Q1  
2F0  
2F1  
1Q0  
1Q1  
1F0  
1F1  
Cypress Semiconductor Corporation  
3901 North First Street  
San Jose, CA 95134  
408-943-2600  
Document #: 38-07687 Rev. *A  
Revised April 29, 2005  

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