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参数资料
| 型号： | ICS9148F-11 |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 66.6 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 7/14页 |
| 文件大小： | 559K |
| 代理商： | ICS9148F-11 |
2
ICS9148-11
Pin Descriptions
Power Groups
VDD1 = REF0, X1, X2
VDD2 = PCICLK_F, PCICLK (0:5)
VDD3 = SDRAM (0:4) (8:11) SDRAM5/PWR_DWN#,
SDRAM6/CPU_STOP#, SDRAM7/PCI_STOP#, supply for PLL Core.
VDDL1 = IOAPIC (0:1)
VDDL2 = CPUCLK (0:3)
PIN NUMBER
PIN NAME
TYPE
DESCRIPTION
2
REF0
OUT
14.318 MHz reference clock outputs.
3, 9, 16, 22, 27,
33, 39, 45
GND
PWR
Ground.
4X1
IN
XTAL_IN 14.318MHz Crystal input, has internal 33pF load cap and feed
back resistor from X2
5
X2
OUT
XTAL_OUT Crystal output, has internal load cap 33pF
25
MODE
IN
Mode select pin for enabling power management features.
7
PCLK_F
OUT
Free running BUS clock during PCI_STOP# = 0.
8, 10, 11, 12
13, 15
PCICLK (0:5)
OUT
BUS clock outputs.
26
OE
IN
Logic input for output enable, tristates all outputs when low.
23
SDATA
IN
Serial data in for serial config port.
24
SCLK
IN
Clock input for serial config port.
1, 6, 14,
19, 30, 36,
VDD1, VDD2,
VDD3
PWR
Nominal 3.3V power supply, see power groups for function.
17, 18, 20, 21,
32, 34, 35, 37, 38
SDRAM
(0:4) (8:11)
OUT
SDRAM clocks 66.6MHz.
42, 48
VDDL2, VDDL1
PWR
CPU and IOAPIC clock power supply, either
2.5 or 3.3V nominal
40, 41, 43, 44
CPUCLK (0:3)
OUT
CPU output clocks, powered by VDDL2 (66.6 MHz)
46, 47
IOAPIC (0:1)
OUT
IOAPIC clock output, (14.318 MHz) powered by VDDL1
28
SDRAM7
OUT
SDRAM clock 66.6 MHz selected
PCI_STOP#
IN
Halts PCICLK (0:5) at logic "0" level when low
29
SDRAM6
OUT
SDRAM clock 66.6 MHz selected
CPU_STOP#
IN
Halts CPUCLK clocks at logic "0" level when low
31
SDRAM5
OUT
SDRAM clock 66.6 MHz selected
PWR_DWN#
IN
Powers down chip, active low
相关PDF资料 |
PDF描述 |
|---|---|
| ICS9148F-14LF | 66.6 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| ICS9148F-14 | 66.6 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| ICS9148F-14LF | 66.6 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| ICS9148F-14 | 66.6 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| ICS9148F-17-LF | 100.3569 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS9148F-12 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
| ICS9148F-13 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for PENTIUMTM |
| ICS9148F-13T | 制造商:ICS 功能描述:9148F-13T |
| ICS9148F-17 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
| ICS9148F-18 | 制造商:ICS 制造商全称:ICS 功能描述:Pentium/ProTM System Clock Chip |
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