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The AC Specifications (at VCC = 1.8 V, TA = 25° C, Worst Case Corner,
Speed Grade = -7 (K = 1.16)) are provided from 7DEOH to 7DEOH . Logic Cell diagrams and
waveforms are provided from )LJXUH to )LJXUH .
)LJXUH (FOLSVH,, Logic Cell
7DEOH /RJLF &HOOV
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tPD
Combinatorial Delay of the longest path: time taken by the combinatorial circuit to
output
tSU
Setup time: time the synchronous input of the flip-flop must be stable before the
active clock edge
tHL
Hold time: time the synchronous input of the flip-flop must be stable after the active
clock edge
tCO
Clock-to-out delay: the amount of time taken by the flip-flop to output after the
active clock edge.
tCWHI
tCWLO
tSET
Clock High Time: required minimum time the clock stays high
Clock Low Time: required minimum time that the clock stays low
Set Delay: time between when the flip-flop is ”set” (high)
and when the output is consequently “set” (high)
tRESET
Reset Delay: time between when the flip-flop is ”reset” (low) and when the output
is consequently “reset” (low)
tSW
Set Width: time that the SET signal must remain high/low
tRW
Reset Width: time that the RESET signal must remain high/low
9DOXH
0LQ
0D[
-
0.257 ns
0.22 ns
-
0 ns
-
-
0.46 ns
0.46 ns
-
0.255 ns
-
-
0.18 ns
-
0.3 ns
0.3 ns
0.09 ns
-
-
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