- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄24858 > 94211AFT (INTEGRATED DEVICE TECHNOLOGY INC) 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 PDF資料下載
參數(shù)資料
| 型號(hào)： | 94211AFT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | 0.300 INCH, MO-118, SSOP-48 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 157K |
| 代理商： | 94211AFT |
Integrated
Circuit
Systems, Inc.
ICS94211
0441E—11/17/04
Pin Configuration
Recommended Application:
440BX/VIA Apollo Pro133/ ALI 1631 style chipset.
Output Features:
2 - CPUs @2.5V
1 - IOAPIC @ 2.5V
13 - SDRAM @ 3.3V
6 - PCI @3.3V,
1 - 48MHz, @3.3V
1 - 24MHz @ 3.3V
2 - REF @3.3V, 14.318MHz.
Features:
Programmable ouput frequency.
Programmable ouput rise/fall time.
Programmable PCICLK, PCICLK_F,
SDRAM skew.
Real time system reset output
Spread spectrum for EMI control typically by 7dB to
8dB,
with programmable spread percentage.
Watchdog timer technology to reset system
if over-clocking causes malfunction.
Uses external 14.318MHz crystal.
FS pins for frequency select
Key Specifications:
CPU – CPU: <175ps
SDRAM - SDRAM: <500ps
PCI – PCI: <500ps
CPU(early)-PCI: Min=1.0ns, Typ=2.0ns, Max=4.0ns
Programmable System Frequency Generator for PII/III
Block Diagram
48-Pin 300mil SSOP
*
Internal Pull-up Resistor of 120K to VDD
** Internal Pull-down resistor of 120K to GND
Functionality
3
S
F2
S
F1
S
F0
S
F
U
P
C
)
z
H
M
(
K
L
C
I
C
P
)
z
H
M
(
0000
0
.
0
80
0
.
0
4
000
1
0
.
5
70
5
.
7
3
00
1
0
1
3
.
3
85
6
.
1
4
00
11
2
8
.
6
61
4
.
3
01
0
.
3
0
13
3
.
4
3
01
1
0
.
2
1
14
3
.
7
3
01
1
0
1
0
.
8
61
0
.
4
3
0
111
3
2
.
0
11
4
.
3
1
000
0
.
0
2
10
0
.
0
4
10
0
1
9
.
4
1
13
3
.
8
3
10
9
.
9
0
16
6
.
6
3
10
1
0
.
5
0
10
0
.
5
3
11
00
0
.
0
4
10
0
.
5
3
11
0
1
0
.
0
5
10
5
.
7
3
111
0
.
4
2
10
0
.
1
3
1111
9
.
2
3
15
2
.
3
PCI_STOP#
PLL2
PLL1
Spread
Spectrum
48MHz
24MHz
IOAPIC
CPUCLK (1:0)
RESET#
SDRAM (12:0)
PCICLK (4:0)
PCICLK_F
X1
X2
BUFFER IN
XTAL
OSC
PCI
CLOCK
DIVDER
STOP
SDATA
SCLK
FS(3:0)
MODE
Control
Logic
Config.
Reg.
/2
REF(1:0)
2
13
5
4
VDDREF
*PCI_STOP/REF0
GND
X1
X2
VDDPCI
*MODE/PCICLK_F
**FS3/PCICLK0
GND
PCICLK1
PCICLK2
PCICLK3
PCICLK4
VDDPCI
BUFFER_IN
GND
SDRAM12_F
SDRAM11
VDDSDR
SDRAM10
SDRAM9
GND
SDATA
SCLK
VDDLAPIC
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*
ICS94211
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 94211AFLF | 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 94227AF | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 94227AFLFT | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 94227AFLF | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 08052R102K9AB | KONDENSATOR 1000PF 50V 10ST |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 942129-000 | 制造商:TE Connectivity 功能描述:251A100-4/42-0 制造商:TE Connectivity 功能描述:251A100-4/42-0 - Bulk |
| 942129N002 | 制造商:TE Connectivity 功能描述:Heat Shrink Molded Boot 制造商:TE Connectivity 功能描述:251A100-4/42-0-CS8542 - Bag |
| 94-213 | 功能描述:REP KIT HEX BIT 1/2DR 1/4 制造商:apex tool group 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:1 |
| 942130101 | 制造商:Molex 功能描述: |
| 94213-0101 | 制造商:MOLEX 制造商全稱:Molex Electronics Ltd. 功能描述:Quick Disconnect, Male PCB Flag, Tab 6.35mm (.250") x 0.81mm (.032") |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。