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CY28354OXC-400T PDF预览

CY28354OXC-400T

更新时间: 2024-01-21 07:21:22
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
9页 215K
描述
210-MHz 24-Output Buffer for 4-DDR DIMMS for VIA Chipsets Support

CY28354OXC-400T 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SSOP包装说明:SSOP,
针数:48Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.65
Is Samacsys:N系列:28354
输入调节:STANDARDJESD-30 代码:R-PDSO-G48
长度:15.875 mm逻辑集成电路类型:LOW SKEW CLOCK DRIVER
功能数量:1反相输出次数:12
端子数量:48实输出次数:12
最高工作温度:85 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED传播延迟(tpd):6 ns
认证状态:Not QualifiedSame Edge Skew-Max(tskwd):0.075 ns
座面最大高度:2.794 mm最大供电电压 (Vsup):2.7 V
最小供电电压 (Vsup):2.3 V标称供电电压 (Vsup):2.5 V
表面贴装:YES温度等级:OTHER
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:7.5057 mmBase Number Matches:1

CY28354OXC-400T 数据手册

 浏览型号CY28354OXC-400T的Datasheet PDF文件第2页浏览型号CY28354OXC-400T的Datasheet PDF文件第3页浏览型号CY28354OXC-400T的Datasheet PDF文件第4页浏览型号CY28354OXC-400T的Datasheet PDF文件第5页浏览型号CY28354OXC-400T的Datasheet PDF文件第6页浏览型号CY28354OXC-400T的Datasheet PDF文件第7页 
CY28354-400  
210-MHz 24-Output Buffer for 4-DDR  
DIMMS for VIA Chipsets Support  
Functional Description  
Features  
• Supports VIA PRO 266, KT266 and P4x266  
• Dual 1- to 12-output buffer/driver  
• Supports up to four DDR DIMMs  
The CY28354-400 is a 2.5V buffer designed to distribute  
high-speed clocks in PC applications. The part has 24 outputs  
to support four unbuffered DDR DIMMS. The CY28354-400  
can be used in conjunction with CY28326 similar clock synthe-  
sizer for the PTT880 and KTT880 chipsets.  
• Low-skew outputs (< 75 ps)  
The CY28354-400 also includes an SMBus interface which  
can enable or disable each output clock. On power-up, all  
output clocks are enabled.  
• Supports 266-MHz, 333-MHz and 400-MHz DDR SDRAM  
• SMBus Read and Write support  
• Space-saving 48-pin SSOP package  
Block Diagram  
Pin Configuration  
BUF_INA  
FB_OUTA  
SSOP  
Top View  
1
DDRAT0  
DDRAC0  
DDRAT1  
DDRAC1  
DDRAT2  
DDRAC2  
DDRAT3  
DDRAC3  
DDRAT4  
DDRAC4  
DDRAT5  
DDRAC5  
DDRBT0  
DDRBC0  
DDRBT1  
DDRBC1  
DDRBT2  
DDRBC2  
DDRBT3  
DDRBC3  
DDRBT4  
DDRBC4  
DDRBT5  
DDRBC5  
FB_OUTB  
VDD2.5  
GND  
VDD2.5  
GND  
48  
47  
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
ADDR_SEL  
I2C_CS  
DDRBT2  
DDRBC2  
DDRBT3  
DDRBC3  
GND  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
FB_OUTB  
BUFF_INB  
DDRBT0  
DDRBC0  
DDRBT1  
DDRBC1  
ADDR_SEL  
SDATA  
GND  
VDD2.5  
VDD2.5  
DDRAT4  
DDRAC4  
DDRAT5  
DDRAC5  
GND  
DDRAT0  
DDRAC0  
DDRAT1  
DDRAC1  
SMBus  
Decoding  
GND  
VDD2.5  
SCLOCK  
I2C_CS  
VDD2.5  
DDRBT4  
DDRBC4  
DDRBT5  
DDRBC5  
VDD2.5  
GND  
FB_OUTA  
BUF_INA  
DDRAT2  
DDRAC2  
DDRAT3  
DDRAC3  
VDD2.5  
SDATA  
SCLK  
GND  
BUFF_INB  
Cypress Semiconductor Corporation  
3901 North First Street  
San Jose, CA 95134  
408-943-2600  
Document #: 38-07615 Rev. *B  
Revised June 22, 2004  

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