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参数资料
| 型号： | ICS9148F-32 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, SSOP-48 |
| 文件页数： | 10/14页 |
| 文件大小： | 325K |
| 代理商： | ICS9148F-32 |
5
ICS9148-32
Power Management
ICS9148-32 Power Management Requirements
ClockEnableConfiguration
Full clock cycle timing is guaranteed at all times after the system has initially powered up except where noted. During power up
and power down operations using the PD# select pin will not cause clocks of a shorter or longer pulse than that of the running
clock. The first clock pulse coming out of a stopped clock condition may be slightly distorted due to clock network charging
circuitry. Board routing and signal loading may have a large impact on the initial clock distortion also.
Notes.
1. Clock on latency is defined from when the clock enable goes active to when the first valid clock comes out of the device.
2. Clock off latency is defined from when the clock enable goes inactive to when the last clock is driven low out of the device.
3. Power up latency is when PD# goes inactive (high) to when the first valid clocks are output by the device.
4. Power down has controlled clock counts applicable to CPUCLK, PCICLK only.
The REF and IOAPIC will be stopped independent of these.
SIGNAL
SIGNAL STATE
Latency
No. of rising edges of free
running PCICLK
CPU_ STOP#
0 (Disabled)
2
1
1 (Enabled)
1
PCI_STOP#
0 (Disabled)
2
1
1 (Enabled)
1
PD#
1 (Normal Operation)
3
3ms
0 (Power Down)
4
2max
CPU_STOP#
PCI_STOP#
PWR_DWN#
CPUCLK
PCICLK
Other Clocks,
REF,
IOAPICs,
48 MHz 0
48 MHz 1
Crystal
VCOs
X
0
Low
Stopped
Off
0
1
Low
Running
0
1
Low
33.3 MHz
Running
1
0
1
100/66.6MHz
Low
Running
1
100/66.6MHz
33.3 MHz
Running
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS9148F-37 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for PENTIUM/ProTM |
| ICS9148F-46 | 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-53 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for Mother Boards |
| ICS9148F58 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| ICS9148F-58 | 制造商:ICS 制造商全称:ICS 功能描述:Frequency Generator & Integrated Buffers for PENTIUM/ProTM |
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