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參數(shù)資料
| 型號： | IMSSG559AYB |
| 英文描述： | CPU System Clock Generator |
| 中文描述： | CPU系統(tǒng)時(shí)鐘發(fā)生器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 87K |
| 代理商： | IMSSG559AYB |
SG559
Mobile Pentium
Processor Application Clock Generator with SSCG, USB and Power
Management Support
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
MILPITAS, CA 95035 TEL: 408-263-6300 ext. 275 FAX 408-263-6571
Rev. 1.0
4/12/1999
Page 1 of 8
PRODUCT FEATURES
Supports clock requirements for Mobile Pentium
Processor
2 Host and 5 PCI clocks
Separate supply pins for mixed (3.3/2.5V) voltage
application.
<175ps skew among CPU clocks.
< 250ps skew among PCI clocks.
48mhz for USB.
28-pin SSOP package for minimum board space.
Power management capabilities
BLOCK DIAGRAM
FREQUENCY TABLE
CPU
66.4 Mhz*
99.8 Mhz**
SEL100/66#
0
1
*Down Spread 1.25% (total); **Down Spread .5% (total)
PCI
33.3 Mhz
33.2 MHz
CONNECTION DIAGRAM
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
VSS
VDDR
REF
VDDC
CPU0
CPU1
VSS
VDD
VSS
PCI_STOP#
CPU_STOP#
PWR_DWN#
48M
SEL100/66#
XIN
XOUT
VSS
PCI_F
PCI1
VDDP
PCI2
PCI3
VDDP
PCI4
PCI5
VSS
VDD
VSS
OSC
SEL1066#
PWR_DWN#
PCI_STOP#
VDDR
REF
VDDC
CPUCLK (0:1)
VDDP
48 MHz
PCI_F
PCI (1:5)
CPU_STOP#
PLL
PLL
XIN
XOUT
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