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CY28329PVC 参数 Datasheet PDF下载

CY28329PVC图片预览
型号: CY28329PVC
PDF下载: 下载PDF文件 查看货源
内容描述: 133 MHz的扩频时钟合成器/驱动器,具有差分输出的CPU [133 MHz Spread Spectrum Clock Synthesizer/Driver with Differential CPU Outputs]
分类和应用: 驱动器时钟
文件页数/大小: 16 页 / 241 K
品牌: SPECTRALINEAR [ SPECTRALINEAR INC ]
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CY28329
133 MHz Spread Spectrum Clock Synthesizer/Driver
with Differential CPU Outputs
Features
• Multiple output clocks at different frequencies
— Four pairs of differential CPU outputs, up to 133 MHz
— Ten synchronous PCI clocks, three free-running
— Six 3V66 clocks
— Two 48-MHz clocks
— One reference clock at 14.318 MHz
— One VCH clock
• Spread Spectrum clocking (down spread)
• Power-down features (PCI_STOP#, PD#)
• Three Select inputs (Mode select & IC Frequency
Select)
• OE and Test Mode support
• 56-pin SSOP package and 56-pin TSSOP package
Benefits
• Motherboard clock generator
— Support Multiple CPUs and a chipset
— Support for PCI slots and chipset
— Supports AGP and Hub Link
— Supports USB host controller and graphic controller
— Supports ISA slots and I/O chip
• Enables reduction of EMI and overall system cost
• Enables ACPI compliant designs
• Supports up to four CPU clock frequencies
• Enables ATE and “bed of nails” testing
• Widely available, standard package enables lower cost
Logic Block Diagram
VDD_REF
PWR
Pin Configurations
SSOP and TSSOP
Top View
VDD_REF
XTAL_IN
XTAL_OUT
GND_REF
PCI_F0
VDD_CPU
CPU[0:3]
CPU[0:3]#
PCI_F1
PCI_F2
VDD_PCI
GND_PCI
PCI0
PWR
Stop
Clock
Control
X1
X2
XTAL
OSC
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
REF
S1
CPU3
CPU3#
CPU0
CPU0#
VDD_CPU
CPU1
CPU1#
GND_CPU
VDD_CPU
CPU2
CPU2#
MULT0
IREF
GND_IREF
S2
USB
DOT
VDD_ 48 MHz
GND_ 48 MHz
3V66_1/VCH
PCI_STOP#
3V66_0
VDD_3V66
GND_3V66
SCLK
SDATA
REF
PLL Ref Freq
PLL 1
Mult0
S1:2
VTTPWRGD#
Gate
Divider
Network
PWR
VDD_PCI
PCI_F[0:2]
PCI0:6
PCI1
PCI2
PCI3
VDD_PCI
CY28329
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
PCI_STOP#
/2
PD#
VDD_3V66
3V66_0
PWR
GND_PCI
PCI4
PCI5
PCI6
VDD_3V66
GND_3V66
66BUFF0/3V66_2
66BUFF1/3V66_3
66BUFF2/3V66_4
66IN/3V66_5
PD#
VDD_CORE
GND_CORE
VTTPWRGD#
PWR
3V66_[2:]4/
66BUFF0:2
3V66_5/ 66IN
PLL 2
VDD_48MHz
PWR
USB (48MHz)
DOT (48MHz)
VCH_CLK/ 3V66_1
SDATA
SCLK
SMBus
Logic
Rev 1.0, November 24, 2006
2200 Laurelwood Road, Santa Clara, CA 95054
Tel:(408) 855-0555
Fax:(408) 855-0550
Page 1 of 16
www.SpectraLinear.com