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GA1086MC500

11-Output Clock Buffer

TriQuint Semiconductor 

GA1086

Single-Processor Systems

Figure 6 is an example of a single-CPU system. The

nine 66MHz outputs of the GA1086 are used to drive

the CPU and its related cache, the state machine,

memory banks, and other general-purpose logic.

The table in Figure 5 also specifies the maximum pin-

to-pin skew of various sets of outputs from the three

clocking devices.

Please note that the GA1086s are series-terminated and

that the feedback trace lengths for the two devices

should be equal.

Figure 6. Clocking a Single-CPU System

SYSTEM

CLOCK

LOW

HIGH

HIGH

R

FBIN

FBOUT

R

CLK

Q1

R

Q2

R

Q3

R

Q4

R

GA1086 Q5

R

Q6

R

Q7

R

S2

Q8

R

S1

Q9

R

S0

Q/2

CPU

CACHE

STATE

MACHINE

MEMORY

CONTROL

LOGIC

BLOCK 1

LOGIC

BLOCK 2

6

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