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CY28351OC

更新时间: 2024-09-22 23:13:47
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双倍数据速率
页数 文件大小 规格书
8页 75K
描述
Differential Clock Buffer/Driver DDR400- and DDR333-Compliant

CY28351OC 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP48,.4
针数:48Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.4
Is Samacsys:N输入调节:STANDARD
JESD-30 代码:R-PDSO-G48JESD-609代码:e0
长度:15.875 mm逻辑集成电路类型:PLL BASED CLOCK DRIVER
最大I(ol):0.012 A湿度敏感等级:1
功能数量:1反相输出次数:10
端子数量:48实输出次数:10
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP48,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):220电源:2.5 V
Prop。Delay @ Nom-Sup:6 ns传播延迟(tpd):6 ns
认证状态:Not QualifiedSame Edge Skew-Max(tskwd):0.1 ns
座面最大高度:2.794 mm子类别:Clock Drivers
最大供电电压 (Vsup):2.625 V最小供电电压 (Vsup):2.375 V
标称供电电压 (Vsup):2.5 V表面贴装:YES
温度等级:COMMERCIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mm最小 fmax:200 MHz
Base Number Matches:1

CY28351OC 数据手册

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CY28351  
Differential Clock Buffer/Driver  
DDR400- and DDR333-Compliant  
Description  
Features  
• Supports 333-MHz and 400-MHz DDR SDRAM  
• 60- – 200-MHz operating frequency  
This PLL clock buffer is designed for 2.5-VDD and 2.5-AVDD  
operation and differential outputs levels.  
• Phase-locked loop (PLL) clock distribution for double  
data rate synchronous DRAM applications  
• Distributes one clock input to ten differential outputs  
• Externalfeedbackpin(FBIN)isusedtosynchronizethe  
outputs to the clock input  
• Conforms to the DDRI specification  
• Spread Aware for electromagnetic interference (EMI)  
reduction  
• 48-pin SSOP package  
This device is a zero delay buffer that distributes a clock input  
(CLKIN) to ten differential pairs of clock outputs (YT[0:9],  
YC[0:9]) and one feedback clock output (FBOUT). The clock  
outputs are individually controlled by the serial inputs SCLK  
and SDATA.  
The two-line serial bus can set each output clock pair (YT[0:9],  
YC[0:9]) to the Hi-Z state. When AVDD is grounded, the PLL is  
turned off and bypassed for the test purposes.  
The PLL in this device uses the input clock (CLKIN) and the  
feedback clock (FBIN) to provide high-performance, low-skew,  
low-jitter output differential clocks.  
Block Diagram  
Pin Configuration  
10  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
VSS  
YC5  
VSS  
YC0  
YT0  
YC0  
2
YT1  
YC1  
3
YT5  
YT0  
4
VDDQ  
YT6  
VDDQ  
YT1  
YT2  
YC2  
5
6
YC6  
YC1  
7
VSS  
YT3  
YC3  
VSS  
VSS  
YC2  
SCLK  
Serial  
Interface  
Logic  
8
VSS  
YT4  
YC4  
9
YC7  
SDATA  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
YT7  
YT2  
YT5  
YC5  
VDDQ  
SDATA  
NC  
VDD  
SCLK  
CLKIN  
NC  
YT6  
YC6  
FBIN  
VDDQ  
CLKIN  
FBIN  
YT7  
YC7  
VDDI  
AVDD  
AVSS  
VSS  
YC3  
FBOUT  
NC  
PLL  
YT8  
YC8  
VSS  
YC8  
YT8  
YT9  
YC9  
YT3  
VDDQ  
YT9  
VDDQ  
YT4  
AVDD  
FBOUT  
YC9  
VSS  
YC4  
VSS  
Cypress Semiconductor Corporation  
Document #: 38-07370 Rev. *B  
3901 North First Street  
San Jose, CA 95134  
408-943-2600  
Revised May 23, 2003  

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