ics9248-168 Integrated Device Technology, ics9248-168 Datasheet - Page 13

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ics9248-168

Manufacturer Part Number
ics9248-168
Description
Amd - K7?? Clock Generator For Mobile System
Manufacturer
Integrated Device Technology
Datasheet
CPU_STOP# Timing Diagram
CPU_STOP# is an asychronous input to the clock synthesizer. It is used to turn off the CPU clocks for low power operation.
CPU_STOP# is synchronized by the ICS9248-168. The minimum that the CPU clock is enabled (CPU_STOP# high pulse) is
100 CPU clocks. All other clocks will continue to run while the CPU clocks are disabled. The CPU clocks will always be stopped
in a low state and start in such a manner that guarantees the high pulse width is a full pulse. CPU clock on latency is less than
4 CPU clocks and CPU clock off latency is less than 4 CPU clocks.
Notes:
1. All timing is referenced to the internal CPU clock.
2. CPU_STOP# is an asynchronous input and metastable conditions may exist. This signal is synchronized
3. All other clocks continue to run undisturbed.
Third party brands and names are the property of their respective owners.
to the CPU clocks inside the ICS9248-168.
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ICS9248-168

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