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D6301

更新时间: 2024-11-15 21:55:27
品牌 Logo 应用领域
其他 - ETC 时钟发生器动态存储器
页数 文件大小 规格书
1页 55K
描述
Pentium/SDRAM Clock Generator with Integrated Buffers

D6301 数据手册

  
PLL52C63-01  
P e n tiu m /S DRAM Clo c k Ge n e ra to r with In te g ra te d Bu ffe rs  
FEATURES  
PIN INFORMATION  
n Generates all clock frequencies for Pentium (II), AMD  
and Cyrix system requiring multiple CPU clocks.  
n Supports upto16Synchronous CPUclocks (4CPU and  
12 SDRAM) and 7 Synchronous PCI BUS clocks.  
n Two14.318Mhzreference clocks andone 2.5VIOAPIC  
n One 24Mhz floppy clock and one 48Mhz USB clock.  
n Power management control pins to stop CPU, SDRAM  
or PCI BUS clocks.  
n Supports 2-wire I2C serial bus interface.  
n 50% duty cycle with low jitter  
n Mixedvoltage supportfrom3.0to5Vor(VDDq2=2.5V)  
n Available in 300mil 48 pin SSOP.  
FREQUENCY SELECTION (MHz)  
F2  
0
F1  
0
F0 PCLK/SDRAM  
BCLK  
25  
0
1
0
1
0
1
0
1
50  
100  
83.3  
68.5  
55  
0
0
50  
Note: F2,F1,F0 and MODE are selectable only during power-on. They are  
HIGH by default and LOW when 10K W Pull down is attached.  
0
1
41.6  
34.2  
27.5  
37.5  
30  
0
1
I/O MODE CONFIGURATION  
1
0
1
0
75  
MODE  
PIN15  
BCLK5  
PCISTP  
PIN46  
REF1  
1
1
60  
1 (OUTPUT)  
0 (INPUT)  
1
1
66.6  
33.3  
CPUSTP  
BLOCK DIAGRAM  
45437 Warm Springs Blvd., Fremont, California 94539, TEL 510-492-0990 FAX 510-492-0991  
9704.Rev.1C Page 1  

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