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

ICS94211YF-T Datasheet

  • ICS94211YF-T

  • Programmable System Frequency Generator for PII/III⑩

  • 16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.
ICS94211
Programmable System Frequency Generator for PII/III鈩?/div>
Recommended Application:
440BX/VIA Apollo Pro133/ ALI 1631 style chipset.
Output Features:
鈥?/div>
2 - CPUs @2.5V
鈥?/div>
1 - IOAPIC @ 2.5V
鈥?/div>
13 - SDRAM @ 3.3V
鈥?/div>
6 - PCI @3.3V,
鈥?/div>
1 - 48MHz, @3.3V
鈥?/div>
1 - 24MHz @ 3.3V
鈥?/div>
2 - REF @3.3V, 14.318MHz.
Features:
鈥?/div>
Programmable ouput frequency.
鈥?/div>
Programmable ouput rise/fall time.
鈥?/div>
Programmable PCICLK, PCICLK_F,
SDRAM skew.
鈥?/div>
Real time system reset output
鈥?/div>
Spread spectrum for EMI control typically by 7dB to 8dB,
with programmable spread percentage.
鈥?/div>
Watchdog timer technology to reset system
if over-clocking causes malfunction.
鈥?/div>
Uses external 14.318MHz crystal.
鈥?/div>
FS pins for frequency select
Key Specifications:
鈥?/div>
CPU 鈥?CPU: <175ps
鈥?/div>
SDRAM - SDRAM: <500ps
鈥?/div>
PCI 鈥?PCI: <500ps
鈥?/div>
CPU(early)-PCI: Min=1.0ns, Typ=2.0ns, Max=4.0ns
Pin Configuration
VDDREF
*PCI_STOP/REF0
GND
X1
X2
VDDPCI
*MODE/PCICLK_F
**FS3/PCICLK0
GND
PCICLK1
PCICLK2
PCICLK3
PCICLK4
VDDPCI
BUFFER_IN
GND
SDRAM12
SDRAM11
VDDSDR
SDRAM10
SDRAM9
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
VDDL
IOAPIC
REF1/FS2*
GND
CPUCLK0
CPUCLK1
VDDLCPU
RESET#
SDRAM0
GND
SDRAM1
SDRAM2
VDDSDR
SDRAM3
SDRAM4
GND
SDRAM5
SDRAM6
VDDSDR
SDRAM7
SDRAM8
VDD48
48MHz/FS0*
24MHz/FS1*
48-Pin 300mil SSOP
* Internal Pull-up Resistor of 120K to VDD
** Internal Pull-down resistor of 120K to GND
Functionality
FS3
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)
80.00
75.00
83.31
66.82
103.00
112.01
68.01
100.23
120.00
114.99
109.99
105.00
140.00
150.00
124.00
132.99
PCICLK
(MHz)
40.00
37.50
41.65
33.41
34.33
37.34
34.01
33.41
40.00
38.33
36.66
35.00
35.00
37.50
31.00
33.25
Block Diagram
PLL2
/2
X1
X2
BUFFER IN
XTAL
OSC
2
48MHz
24MHz
IOAPIC
REF(1:0)
SDRAM (12:0)
CPUCLK (1:0)
PLL1
Spread
Spectrum
PCI
CLOCK
DIVDER
13
2
STOP
5
PCICLK (4:0)
PCICLK_F
RESET#
FS(3:0)
4
MODE
PCI_STOP#
SDATA
SCLK
Control
Logic
Config.
Reg.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
94211 Rev A 03/28/01
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.
ICS94211

ICS94211YF-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！