
Samsung ASIC
3-243
STD150
FD1/FD1D2/FD1D4
D Flip-Flop with 1X/2X/4X Drive
Switching Characteristics
FD1
(Typical process, 25
°
C, 1.2V, t
R
/t
F
= 0.13ns, SL: Standard Load)
FD1D2
FD1D4
Path
Parameter
Delay [ns]
SL = 2
0.081
0.078
0.210
0.194
0.071
0.059
0.250
0.269
<
Delay Equations [ns]
Group1*
0.048 + 0.017*SL
0.047 + 0.016*SL
0.188 + 0.011*SL
0.169 + 0.012*SL
0.041 + 0.015*SL
0.034 + 0.013*SL
0.232 + 0.009*SL
0.250 + 0.009*SL
Group2*
0.049 + 0.016*SL
0.057 + 0.013*SL
0.197 + 0.009*SL
0.181 + 0.009*SL
0.036 + 0.016*SL
0.034 + 0.013*SL
0.238 + 0.008*SL
0.256 + 0.008*SL
Group3*
0.044 + 0.017*SL
0.060 + 0.013*SL
0.206 + 0.008*SL
0.199 + 0.008*SL
0.029 + 0.017*SL
0.027 + 0.013*SL
0.239 + 0.008*SL
0.261 + 0.007*SL
CK to Q
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
CK to QN
*Group1 : SL < 4, *Group2 : =
Path
Parameter
Delay [ns]
SL = 2
0.068
0.069
0.213
0.200
0.059
0.048
0.285
0.296
<
Delay Equations [ns]
Group1*
0.051 + 0.009*SL
0.053 + 0.008*SL
0.199 + 0.007*SL
0.184 + 0.008*SL
0.044 + 0.008*SL
0.034 + 0.007*SL
0.273 + 0.006*SL
0.284 + 0.006*SL
Group2*
0.053 + 0.008*SL
0.058 + 0.007*SL
0.207 + 0.005*SL
0.194 + 0.005*SL
0.043 + 0.008*SL
0.036 + 0.006*SL
0.280 + 0.004*SL
0.291 + 0.004*SL
Group3*
0.050 + 0.008*SL
0.070 + 0.006*SL
0.222 + 0.004*SL
0.217 + 0.004*SL
0.032 + 0.008*SL
0.031 + 0.007*SL
0.286 + 0.004*SL
0.300 + 0.004*SL
CK to Q
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
CK to QN
*Group1 : SL < 4, *Group2 : =
Path
Parameter
Delay [ns]
SL = 2
0.046
0.042
0.313
0.298
0.051
0.043
0.242
0.264
<
Delay Equations [ns]
Group1*
0.037 + 0.004*SL
0.034 + 0.004*SL
0.307 + 0.003*SL
0.291 + 0.003*SL
0.045 + 0.003*SL
0.036 + 0.003*SL
0.236 + 0.003*SL
0.258 + 0.003*SL
Group2*
0.039 + 0.004*SL
0.037 + 0.003*SL
0.311 + 0.002*SL
0.296 + 0.002*SL
0.042 + 0.004*SL
0.037 + 0.003*SL
0.240 + 0.002*SL
0.262 + 0.002*SL
Group3*
0.029 + 0.004*SL
0.035 + 0.003*SL
0.318 + 0.002*SL
0.307 + 0.002*SL
0.033 + 0.004*SL
0.035 + 0.003*SL
0.249 + 0.002*SL
0.274 + 0.002*SL
CK to Q
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
CK to QN
*Group1 : SL < 4, *Group2 : =