音影先锋亚洲天堂网|电影世界尽头的爱完整版播放|国产 熟女 91|高清无码免费观看欧美日韩|韩国一区二区三区黄色录像|美女亚洲加勒比在线|亚洲综合网 开心五月|7x成人在线入口|成人网站免费日韩毛片区|国产黄片?一级?二级?三级

ICS9248-126 Datasheet

  • ICS9248-126

  • Frequency Generator & Integrated Buffers for Celeron & PII/I...

  • 12頁

  • ICS

掃碼查看芯片數(shù)據(jù)手冊

上傳產(chǎn)品規(guī)格書

PDF預(yù)覽

Integrated
Circuit
Systems, Inc.
ICS9248-126
Frequency Generator & Integrated Buffers for Celeron & PII/III鈩?& K6
Recommended Application:
Motherboard Single chip clock solution for Pentium II/III and
K6 processors, using SIS540/SIS630 style chipset.
Output Features:
鈥?/div>
3- CPUs @ 2.5/3.3V, up to 166MHz.
鈥?/div>
14 - SDRAM @ 3.3V
鈥?/div>
7- PCI @3.3V,
鈥?/div>
1- 48MHz, @3.3V fixed.
鈥?/div>
1- 24/48MHz, @3.3V selectable by I
2
C
(Default is 24MHz).
鈥?/div>
2- REF @3.3V, 14.318MHz.
Features:
鈥?/div>
Up to 166MHz frequency support
鈥?/div>
Support FS0-FS3 trapping status bit for I
2
C read back.
鈥?/div>
Support power management: CPU, PCI, SDRAM stop
and Power down Mode form I
2
C programming.
鈥?/div>
Spread spectrum for EMI control (0 to -0.5%, 鹵 0.25%).
鈥?/div>
FS0, FS1, FS3 must have a internal 120K pull-Down
to GND.
鈥?/div>
Uses external 14.318MHz crystal
Skew Specifications:
鈥?/div>
CPU - CPU: < 175ps
鈥?/div>
SDRAM - SDRAM < 500ps
鈥?/div>
PCI - PCI: < 500ps
鈥?/div>
CPU - SDRAM: < 500ps
鈥?/div>
CPU - PCI: 1 - 4ns
Pin Configuration
VDDREF
1
* REF0/FS3
GND
X1
X2
VDDPCI
*PCICLK0/FS1
*PCICLK1/FS2
PCICLK2
GND
PCICLK3
PCICLK4
PCICLK5
PCICLK6
VDDSDR
GND
SDRAM0
SDRAM1
VDDSDR
SDRAM2
SDRAM3
GND
SDATA
SCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
REF1
VDDLCPU
CPUCLK0
CPUCLK1
GND
CPUCLK2
VDDSDR
SDRAM13
SDRAM12
GND
SDRAM11
SDRAM10
VDDSDR
SDRAM9
SDRAM8
GNDSDR
SDRAM7
SDRAM6
VDDSDR
SDRAM5
SDRAM4
VDDSDR
1
48MHz/FS0*
24_48MHz/CPU2.5_3.3#*
48-Pin 300mil SSOP
* These inputs have a 120K pull down to GND.
1 These are double strength.
Block Diagram
PLL2
/2
X1
X2
XTAL
OSC
48MHz
24_48MHz
Functionality
FS3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
FS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
FS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
FS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
CPU
(MHz)
66.6
100.0
150.0
133.3
66.8
100.0
100.0
133.3
66.8
97.0
70.0
95.0
95.0
112.0
97.0
96.2
SDRAM
(MHz)
100.0
100.0
100.0
100.0
133.6
133.3
150.0
133.3
66.8
97.0
105.0
95.0
126.7
112.0
129.3
96.2
PCICLK
(MHz)
33.3
33.3
37.5
33.3
33.4
33.3
37.5
33.3
33.4
32.3
35.0
31.7
31.7
37.3
32.2
32.1
2
REF (1:0)
PLL1
Spread
Spectrum
FS(3:0)
4
CPU
CLOCK
DIVDER
SDRAM
CLOCK
DIVDER
3
CPUCLK (2:0)
LATCH
14
SDRAM (13:0)
Control
CPU2.5_3.3#
SDATA
SCLK
Logic
Config.
Reg.
PCI
CLOCK
DIVDER
7
PCICLK (6:0)
9248-126 Rev C 9/6/00
Third party brands and names are the property of their respective owners.
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
ICS9248-126

ICS9248-126相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    32 KhZ Motherboard Frequency Generator
    ICS
  • 英文版
    32 KhZ Motherboard Frequency Generator
    ICST [Inte...
  • 英文版
    High Frequency System Clock Generator
    ICS
  • 英文版
    High Frequency System Clock Generator
    ICST [Integrate...
  • 英文版
    Rambus XDR Clock Generator
    ICST [Integrate...
  • 英文版
    Direct Rambus Clock Generator Lite
    ICS
  • 英文版
    Direct Rambus Clock Generator Lite
    ICST [Integrate...
  • 英文版
    133MHz Clock Generator and Integrated Buffer for PowerPC⑩
    ICS
  • 英文版
    133MHz Clock Generator and Integrated Buffer for PowerPC??
    ICST [Integrate...
  • 英文版
    133MHz Clock Generator and Integrated Buffer for PowerPC⑩
    ICS
  • 英文版
    133MHz Clock Generator and Integrated Buffer for PowerPC??
    ICST [Integrate...
  • 英文版
    Dual Voltage Video/Memory Clock Generator
    ICS
  • 英文版
    Dual Voltage Video/Memory Clock Generator
    ICST [Inte...
  • 英文版
    Analog IC
    ETC
  • 英文版
    Analog IC
    ETC
  • 英文版
    High Performance Communication Buffer
    ICS
  • 英文版
    High Performance Communication Buffer
    ICST [Inte...
  • 英文版
    High performance Communication Buffer
    ICS
  • 英文版
    High performance Communication Buffer
    ICST [Inte...
  • 英文版
    32 kHz Motherboard Frequency Generator
    ICS

掃碼下載APP，
一鍵連接廣大的電子世界。

在線人工客服

買家服務(wù)：
賣家服務(wù)：
技術(shù)客服：

0571-85317607

網(wǎng)站技術(shù)支持

13606545031

客服在線時間周一至周五
9:00-17:30

關(guān)注官方微信號，
第一時間獲取資訊。

建議反饋

聯(lián)系人：

聯(lián)系方式：

按住滑塊，拖拽到最右邊
>>
感謝您向阿庫提出的寶貴意見，您的參與是維庫提升服務(wù)的動力！意見一經(jīng)采納，將有感恩紅包奉上哦！