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

ICS9248YF-157-T Datasheet

  • ICS9248YF-157-T

  • Frequency Timing Generator for Pentium II Systems

  • 152.71KB

  • 11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.
ICS9248-157
Frequency Timing Generator for Pentium II Systems
Recommended Application:
ALI1621/1632M style chipsets
Output Features:
鈥?/div>
2 - CPUs @2.5V, up to 140MHz.
鈥?/div>
7 - PCI @3.3V, (including one free running)
鈥?/div>
1 - 48MHz, @3.3V fixed.
鈥?/div>
2 - REF @3.3V, 14.318MHz.
Features:
鈥?/div>
Up to 140 MHz frequency support
鈥?/div>
Support power management: CPU, PCI stop and
Power down.
鈥?/div>
Spread spectrum for EMI control (0.5% down spread).
鈥?/div>
Uses external 14.318MHz crystal
鈥?/div>
FS pins for frequency select
Key Specifications:
鈥?/div>
CPU 鈥?CPU: <175ps
鈥?/div>
PCI 鈥?PCI: <250ps
鈥?/div>
CPU(early)-PCI: 1.5ns - 4ns
鈥?/div>
PCI_E (early) - PCI: 2.1ns
Pin Configuration
*FS1/REF0
X1
X2
**FS2/PCICLK_F
*SEL_CPUF#/PCICLK0
PCICLK1
GND
VDDPCI
PCICLK2
PCICLK3
PCICLK4
PCICLK_E
VDD48
*FS3/48MHz
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VDDR
REF1/FS0*
SPREAD#
VDDL
CPUCLK1
CPUCLK0/F
GNDL
GND
PCI_STOP#
VDDA
CPU_STOP#
PD#
DIV/4#
GND
28 Pin 209mil SSOP
*These inputs have a 120K pull up to VDD
**These inputs have a 120K pull down to GND
Block Diagram
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
33.33
63.33
69.99
66.66
97.00
96.22
91.50
83.33
50.00
95.25
105.00
100.00
66.66
126.35
139.65
133.33
PCI
16.66
31.66
35.00
33.33
32.33
32.07
30.50
27.77
16.66
31.75
35.00
33.33
16.66
31.66
35.00
33.33
X1
X2
CPU_STOP#
OSC
2
REF (1:0)
FS (3:0)
PLL
Spread
Spectrum
Glitch
Free
Control
Logic
/4
CPU
STOP
CPU
STOP
/2
/3
BUS
STOP
2
CPUCLK 1
CPUCLK0/F
PD#
Div4#
SPREAD#
SEL_CPUF#
5
PCICLK (4:0),
PCICLK_E
PCI_STOP#
PCICLK_F
PLL2
48MHz
9248-157 Rev A - 1/16/01
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
ICS9248-157

ICS9248YF-157-T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！