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C9811X2AYB Datasheet

  • C9811X2AYB

  • CPU SYSTEM CLOCK GENERATOR|SSOP|56PIN|PLASTIC

  • 234.15KB

  • 17頁

  • ETC

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APPROVED PRODUCT
C9811x2
Low EMI Clock Generator for Intel
餂?/div>
810 Chipset Systems
Product Features
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Intel鈥檚 810 clock solution
3 copies of CPU Clock (CPU[0:1] and CPU_ITP)
9 copies of SDRAM Clock (SDRAM[0:7] and DCLK)
8 copies of PCI clock
2 copies of 3V66 Clock
2 copies of APIC Clock, synchronous to PCI Clock
1 REF Clock
2 USB Clocks (Non SSC)
Power Down Feature
Spread Spectrum Support
SMBUS Support for turning off unused clocks
56 Pin SSOP Package
Frequency Table (MHz)
SEL1
0
0
1
1
SEL0
0
1
0
1
CPU
Tri-state
66.6
100
SDRAM
Tri-state
100
100
Table 1
PCI
Tri-state
33.3
33.3
Test mode (see table2)
Note: The following clocks remain fixed frequencies
except in Test Mode.
3V66=66.6MHz, USB/DOT=48MHz, REF=14.318MHz
and IOAPIC=16.6 or 33.3MHz depending on power up
selection.
Block Diagram
XIN
36pF
X
B
U
F
300K
36pF
VDD
1
REF
Pin Configuration
C9811X2
ASEL/REF
VDD
XIN
XOUT
VSS
VSS
3V660
3V661
VDD
VDD
PCI0_ICH
PCI1
PCI2
VSS
PCI3
PCI4
VSS
PCI5
PCI6
PCI7
VDD
VDDA
VSSA
VSS
USB0
USB1
VDD
SEL0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
VSS
IOAPIC0
IOAPIC1
VDDI
CPU0
VDDC
CPU1
CPU2_ITP
VSS
VSS
SDRAM0
SDRAM1
VDD
SDRAM2
SDRAM3
VSS
SDRAM4
SDRAM5
VDD
SDRAM6
SDRAM7
VSS
DCLK
VDD
PD#
SCLK
SDATA
SEL1
XOUT
VDDI
apic
2
VDDC
cpu
Rin
SCLK
SDATA
SEL1
SEL0
PD#
i2c-clk
i2c-data
s1
s0
pwr_dwn#
66m
2
VDD
pci
PLL1
Rin
PD#
i2c-clk
i2c-data
PLL2
48
1
8
VDD
USB (0:1)
PCI(0:7)
sdram
9
VDD
3V66(0:1)
VDDS
SDRAM(0:7), DCLK
3
CPU(0:2)
IOAPIC(0:1)
Fig.1
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07052 Rev. **
05/03/2001
Page 1 of 17

C9811X2AYB相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    Low EMI Clock Generator for Intel 810E Chipset Systems
    CYPRESS
  • 英文版
    Low EMI Clock Generator for Intel 810E Chipset Systems
    CYPRESS [C...
  • 英文版
    CPU SYSTEM CLOCK GENERATOR|SSOP|56PIN|PLASTIC
    ETC
  • 英文版
    CPU SYSTEM CLOCK GENERATOR|SSOP|56PIN|PLASTIC
    ETC
  • 英文版
    Low EMI Clock Generator for Intel 810E Chipset Systems
    CYPRESS
  • 英文版
    Low EMI Clock Generator for Intel 810E Chipset Systems
    CYPRESS [C...
  • 英文版
    CPU SYSTEM CLOCK GENERATOR|SSOP|56PIN|PLASTIC
    ETC

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