
SEC ASIC
3-293
STD80/STDM80
FD7S/FD7SD2
D Flip-Flop with Negative Edge Trigger, Set, Scan, 1X/2X Drive
Timing Requirements
(Typical process, 25
°
C, 5V, 3.3V, Unit = ns)
STD80
FD7SD2
FD7S
0.87
0.96
0.79
0.82
0.87
0.96
0.79
0.79
0.44
0.41
0.85
0.85
0.36
0.33
0.79
0.82
0.33
0.33
0.33
0.33
0.55
0.60
Switching Characteristics
(Typical process, 25
°
C, 5V, t
R
/t
F
= 0.44ns, SL: Standard Load)
STD80 FD7S
STD80 FD7SD2
Parameter
Symbol
STDM80
FD7S
0.87
0.79
0.87
0.79
0.44
0.85
0.36
0.79
0.33
0.33
0.55
FD7SD2
0.98
0.82
0.96
0.79
0.41
0.85
0.33
0.82
0.33
0.33
0.60
Pulse Width Low (CKN)
Pulse Width High (CKN)
Pulse Width Low (SN)
Input Setup Time (D to CKN)
Input Hold Time (D to CKN)
Input Setup Time (TI to CKN)
Input Hold Time (TI to CKN)
Input Setup Time (TE to CKN)
Input Hold Time (TE to CKN)
Recovery Time (SN)
Input Hold Time (SN to CKN)
t
PWL
t
PWH
t
PWL
t
SU
t
HD
t
SU
t
HD
t
SU
t
HD
t
RC
t
HD
Path
Parameter
Delay [ns]
SL = 2
Delay Equations [ns]
Group1*
0.69 + 0.028*SL
0.65 + 0.041*SL
0.12 + 0.044*SL
0.11 + 0.064*SL
0.55 + 0.029*SL
0.12 + 0.043*SL
0.79 + 0.029*SL
0.88 + 0.038*SL
0.12 + 0.046*SL
0.10 + 0.063*SL
0.27 + 0.040*SL
0.10 + 0.063*SL
Group2*
0.70 + 0.024*SL
0.66 + 0.038*SL
0.11 + 0.049*SL
0.10 + 0.067*SL
0.56 + 0.024*SL
0.11 + 0.048*SL
0.80 + 0.025*SL
0.88 + 0.037*SL
0.12 + 0.049*SL
0.09 + 0.067*SL
0.27 + 0.038*SL
0.09 + 0.067*SL
Group3*
0.71 + 0.024*SL
0.67 + 0.037*SL
0.08 + 0.052*SL
0.08 + 0.069*SL
0.56 + 0.023*SL
0.07 + 0.052*SL
0.81 + 0.024*SL
0.88 + 0.037*SL
0.08 + 0.052*SL
0.07 + 0.069*SL
0.28 + 0.037*SL
0.07 + 0.069*SL
CKN to Q
tPLH
tPHL
tR
tF
tPLH
tR
tPLH
tPHL
tR
tF
tPHL
tF
0.75
0.74
0.20
0.24
0.61
0.21
0.84
0.95
0.21
0.23
0.35
0.23
SN to Q
CKN to QN
SN to QN
Path
Parameter
Delay [ns]
SL = 2
Delay Equations [ns]
Group1*
0.72 + 0.018*SL
0.68 + 0.023*SL
0.12 + 0.022*SL
0.11 + 0.032*SL
0.58 + 0.018*SL
0.12 + 0.022*SL
0.88 + 0.018*SL
0.97 + 0.020*SL
0.14 + 0.023*SL
0.11 + 0.032*SL
0.30 + 0.023*SL
0.11 + 0.030*SL
Group2*
0.73 + 0.014*SL
0.69 + 0.020*SL
0.12 + 0.023*SL
0.12 + 0.031*SL
0.59 + 0.013*SL
0.12 + 0.022*SL
0.89 + 0.014*SL
0.97 + 0.018*SL
0.14 + 0.023*SL
0.11 + 0.031*SL
0.31 + 0.019*SL
0.11 + 0.031*SL
Group3*
0.74 + 0.012*SL
0.71 + 0.018*SL
0.09 + 0.026*SL
0.09 + 0.034*SL
0.60 + 0.012*SL
0.09 + 0.026*SL
0.91 + 0.012*SL
0.97 + 0.018*SL
0.12 + 0.026*SL
0.08 + 0.034*SL
0.32 + 0.018*SL
0.08 + 0.034*SL
CKN to Q
tPLH
tPHL
tR
tF
tPLH
tR
tPLH
tPHL
tR
tF
tPHL
tF
0.75
0.73
0.16
0.18
0.61
0.17
0.91
1.01
0.19
0.17
0.35
0.17
SN to Q
CKN to QN
SN to QN
*Group1 : SL < 2, *Group2 : 2 =