参数资料
型号: 952601YGLFT
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: PROC SPECIFIC CLOCK GENERATOR, PDSO56
封装: 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-56
文件页数: 13/25页
文件大小: 227K
代理商: 952601YGLFT
IDTTM
Progammable Timing Control HubTM for Next Gen P4TM Processor
701J—01/25/10
ICS952601
Programmable Timing Control HubTM for Next Gen P4TM Processor
20
CPU_Stop = Driven, CPU_Pwrdwn = Tristate
CPU_Stop#
1.8mS
PWRDWN#
CPU (Free Running)
CPU# (Free Running)
CPU (Stoppable)
CPU# (Stoppable)
Notes:
1. When CPU_Pwrdwn is set to tristate and CPU_Stop is set to driven, the clock chip will tristate outputs only during the
assertion of PWRDWN#. Differential clock behavior during the assertion/de-assertion of CPU_Stop# will be unaffected.
2. In the case that CPU_Stop# is de-asserted during the 1.8mS PWRDWN# de-assertion resume delay, the clock chip can
sample the CPU_Stop# high with the internal rising edges of clock#. This will result in CPU clocks resuming immediately
after the 1.8mS windows expires. This applies to all control register bit changes as well.
3. Tristate outputs are pulled low by output termination resistors as shown here.
CPU_Stop = Tristate, CPU_Pwrdwn = Tristate
CPU_Stop#
1.8mS
PWRDWN#
CPU (Free Running)
CPU# (Free Running)
CPU (Stoppable)
CPU# (Stoppable)
Notes:
1. When CPU_Stop and CPU_Pwrdwn bits are set to tristate, the clock chip will tristate the outputs during the assertion of
CPU_Stop# and PWRDWN#.
2. Tristate outputs are pulled low by output termination resistors as shown here.
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