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Logic Symbols

IEEE/IEC

Mode Select-Function Table

H

HIGH Voltage Level

L

LOW Voltage Level

X

Immaterial

 LOW-to-HIGH Clock Transition

Logic Diagram

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.

Operating Mode

Inputs

Outputs

CP

CE

Load ‘1'



LH

H

Load ‘0'



LL

L

Hold (Do Nothing)



H

X

No Change

X

H

X

No Change