
Samsung ASIC
3-357
STDM110
FD5S/FD5SD2
D Flip-Flop with Negative Edge Trigger, Scan, 1X/2X Drive
Switching Characteristics
FD5S
(Typical process, 25
°
C, 1.8V, t
R
/t
F
= 0.27ns, SL: Standard Load)
FD5SD2
Path
Parameter
Delay [ns]
SL = 2
0.159
0.139
0.646
0.557
0.146
0.128
0.645
0.745
<
Delay Equations [ns]
Group1*
0.086 + 0.036*SL
0.074 + 0.032*SL
0.605 + 0.021*SL
0.514 + 0.021*SL
0.073 + 0.037*SL
0.067 + 0.031*SL
0.606 + 0.019*SL
0.706 + 0.020*SL
Group2*
0.082 + 0.038*SL
0.081 + 0.031*SL
0.614 + 0.018*SL
0.526 + 0.018*SL
0.068 + 0.038*SL
0.064 + 0.031*SL
0.613 + 0.018*SL
0.715 + 0.017*SL
Group3*
0.075 + 0.038*SL
0.075 + 0.032*SL
0.619 + 0.018*SL
0.536 + 0.017*SL
0.060 + 0.039*SL
0.060 + 0.032*SL
0.615 + 0.018*SL
0.720 + 0.017*SL
CKN to Q
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
CKN to QN
*Group1 : SL < 4, *Group2 : =
Path
Parameter
Delay [ns]
SL = 2
0.117
0.109
0.632
0.557
0.107
0.101
0.684
0.777
<
Delay Equations [ns]
Group1*
0.080 + 0.018*SL
0.072 + 0.018*SL
0.606 + 0.013*SL
0.529 + 0.014*SL
0.072 + 0.018*SL
0.066 + 0.017*SL
0.660 + 0.012*SL
0.750 + 0.013*SL
Group2*
0.082 + 0.018*SL
0.079 + 0.017*SL
0.618 + 0.010*SL
0.542 + 0.011*SL
0.069 + 0.018*SL
0.070 + 0.016*SL
0.670 + 0.010*SL
0.763 + 0.010*SL
Group3*
0.073 + 0.019*SL
0.080 + 0.017*SL
0.630 + 0.009*SL
0.559 + 0.009*SL
0.061 + 0.019*SL
0.066 + 0.017*SL
0.679 + 0.009*SL
0.776 + 0.009*SL
CKN to Q
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
CKN to QN
*Group1 : SL < 4, *Group2 : =