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STD80/STDM80
3-200
SEC ASIC
FD2S/FD2SD2
D Flip-Flop with Reset, Scan, 1X/2X Drive
Timing Requirements
(Typical process, 25
°
C, 5V, 3.3V, Unit = ns)
STD80
FD2SD2
FD2S
0.87
0.96
0.87
0.82
0.87
0.82
0.60
0.79
0.33
0.33
0.63
0.85
0.33
0.33
0.68
0.90
0.33
0.33
0.33
0.33
0.66
0.76
Switching Characteristics
(Typical process, 25
°
C, 5V, t
R
/t
F
= 0.44ns, SL: Standard Load)
STD80 FD2S
STD80 FD2SD2
Parameter
Symbol
STDM80
FD2S
0.87
0.87
0.87
0.60
0.33
0.63
0.33
0.68
0.33
0.33
0.66
FD2SD2
0.96
0.82
0.82
0.79
0.33
0.85
0.33
0.90
0.33
0.33
0.76
Pulse Width Low (CK)
Pulse Width High (CK)
Pulse Width Low (RN)
Input Setup Time (D to CK)
Input Hold Time (D 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 (RN)
Input Hold Time (RN to CK)
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*
0.58 + 0.032*SL
0.62 + 0.042*SL
0.13 + 0.048*SL
0.11 + 0.063*SL
0.28 + 0.040*SL
0.11 + 0.064*SL
0.69 + 0.025*SL
0.74 + 0.037*SL
0.10 + 0.043*SL
0.10 + 0.063*SL
0.35 + 0.025*SL
0.10 + 0.043*SL
Group2*
0.59 + 0.026*SL
0.63 + 0.038*SL
0.13 + 0.049*SL
0.10 + 0.066*SL
0.29 + 0.038*SL
0.11 + 0.066*SL
0.70 + 0.024*SL
0.74 + 0.037*SL
0.08 + 0.050*SL
0.09 + 0.067*SL
0.36 + 0.024*SL
0.08 + 0.050*SL
Group3*
0.61 + 0.024*SL
0.63 + 0.037*SL
0.10 + 0.052*SL
0.08 + 0.069*SL
0.30 + 0.037*SL
0.08 + 0.069*SL
0.69 + 0.024*SL
0.74 + 0.037*SL
0.06 + 0.052*SL
0.07 + 0.069*SL
0.36 + 0.023*SL
0.06 + 0.052*SL
CK to Q
tPLH
tPHL
tR
tF
tPHL
tF
tPLH
tPHL
tR
tF
tPLH
tR
0.64
0.70
0.23
0.24
0.36
0.24
0.74
0.82
0.18
0.22
0.40
0.18
RN to Q
CK to QN
RN to QN
Path
Parameter
Delay [ns]
SL = 2
Delay Equations [ns]
Group1*
0.61 + 0.021*SL
0.65 + 0.023*SL
0.15 + 0.023*SL
0.12 + 0.030*SL
0.31 + 0.023*SL
0.11 + 0.032*SL
0.78 + 0.014*SL
0.86 + 0.018*SL
0.11 + 0.021*SL
0.11 + 0.032*SL
0.44 + 0.015*SL
0.11 + 0.022*SL
Group2*
0.62 + 0.015*SL
0.65 + 0.020*SL
0.15 + 0.024*SL
0.12 + 0.031*SL
0.32 + 0.020*SL
0.11 + 0.031*SL
0.78 + 0.012*SL
0.87 + 0.017*SL
0.11 + 0.023*SL
0.11 + 0.030*SL
0.45 + 0.012*SL
0.10 + 0.023*SL
Group3*
0.66 + 0.012*SL
0.67 + 0.018*SL
0.13 + 0.026*SL
0.09 + 0.034*SL
0.33 + 0.018*SL
0.08 + 0.034*SL
0.79 + 0.012*SL
0.86 + 0.018*SL
0.07 + 0.026*SL
0.08 + 0.034*SL
0.45 + 0.012*SL
0.07 + 0.026*SL
CK to Q
tPLH
tPHL
tR
tF
tPHL
tF
tPLH
tPHL
tR
tF
tPLH
tR
0.65
0.69
0.19
0.18
0.36
0.18
0.81
0.90
0.15
0.17
0.47
0.15
RN to Q
CK to QN
RN to QN
*Group1 : SL < 2, *Group2 : 2 =