
STD150
3-316
Samsung ASIC
FJ4S/FJ4SD2
JK Flip-Flop with Reset, Set, Scan, 1X/2X Drive
Timing Requirements
(Typical process, 25
°
C, 1.2V, Unit = ns)
Value (ns)
FJ4S
0.354
0.010
0.354
0.010
0.334
0.222
0.388
0.193
0.051
0.010
0.010
0.123
0.270
0.010
0.285
0.010
0.134
0.010
Switching Characteristics
FJ4S
(Typical process, 25
°
C, 1.2V, t
R
/t
F
= 0.13ns, SL: Standard Load)
Parameter
Symbol
FJ4SD2
0.357
0.010
0.357
0.010
0.333
0.270
0.442
0.215
0.052
0.010
0.010
0.120
0.271
0.010
0.287
0.010
0.134
0.010
Input Setup Time (J to CK)
Input Hold Time (J to CK)
Input Setup Time (K to CK)
Input Hold Time (K to CK)
Pulse Width Low (CK)
Pulse Width High (CK)
Pulse Width Low (RN)
Pulse Width Low (SN)
Recovery Time (RN to CK)
Removal Time (RN to CK)
Recovery Time (SN to CK)
Removal Time (SN to CK)
Input Setup Time (TI to CK)
Input Hold Time (TI to CK)
Input Setup Time (TE to CK)
Input Hold Time (TE to CK)
Recovery Time (SN to RN)
Removal Time (SN to RN)
t
SU
t
HD
t
SU
t
HD
t
PWL
t
PWH
t
PWL
t
PWL
t
RC
t
RM
t
RC
t
RM
t
SU
t
HD
t
SU
t
HD
t
RC
t
RM
Path
Parameter
Delay [ns]
SL = 2
0.095
0.094
0.271
0.256
0.160
0.642
0.122
0.160
0.356
0.597
0.087
0.077
0.356
0.376
0.084
0.208
0.083
0.058
0.163
0.113
<
Delay Equations [ns]
Group1*
0.060 + 0.017*SL
0.063 + 0.016*SL
0.246 + 0.013*SL
0.228 + 0.014*SL
0.120 + 0.020*SL
0.602 + 0.020*SL
0.084 + 0.019*SL
0.120 + 0.020*SL
0.325 + 0.015*SL
0.557 + 0.020*SL
0.057 + 0.015*SL
0.049 + 0.014*SL
0.334 + 0.011*SL
0.353 + 0.011*SL
0.052 + 0.016*SL
0.186 + 0.011*SL
0.051 + 0.016*SL
0.032 + 0.013*SL
0.141 + 0.011*SL
0.095 + 0.009*SL
Group2*
0.064 + 0.016*SL
0.070 + 0.014*SL
0.258 + 0.009*SL
0.243 + 0.010*SL
0.139 + 0.015*SL
0.628 + 0.014*SL
0.095 + 0.016*SL
0.139 + 0.015*SL
0.343 + 0.011*SL
0.583 + 0.014*SL
0.055 + 0.016*SL
0.054 + 0.013*SL
0.344 + 0.008*SL
0.364 + 0.009*SL
0.052 + 0.016*SL
0.196 + 0.008*SL
0.050 + 0.016*SL
0.031 + 0.013*SL
0.151 + 0.008*SL
0.101 + 0.008*SL
Group3*
0.062 + 0.017*SL
0.080 + 0.013*SL
0.272 + 0.008*SL
0.263 + 0.008*SL
0.163 + 0.013*SL
0.668 + 0.010*SL
0.097 + 0.016*SL
0.163 + 0.013*SL
0.368 + 0.008*SL
0.623 + 0.010*SL
0.044 + 0.017*SL
0.050 + 0.013*SL
0.352 + 0.008*SL
0.377 + 0.007*SL
0.043 + 0.017*SL
0.203 + 0.008*SL
0.043 + 0.017*SL
0.026 + 0.014*SL
0.158 + 0.008*SL
0.104 + 0.007*SL
CK to Q
tR
tF
tPLH
tPHL
tF
tPHL
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
tR
tPLH
tR
tF
tPLH
tPHL
RN to Q
SN to Q
CK to QN
RN to QN
SN to QN
*Group1 : SL < 4, *Group2 : =