
STDM110
3-420
Samsung ASIC
LD5/LD5D2
D Latch with Active Low, 1X/2X Drive
Switching Characteristics
LD5
(Typical process, 25
°
C, 1.8V, t
R
/t
F
= 0.27ns, SL: Standard Load)
LD5D2
Path
Parameter
Delay [ns]
SL = 2
0.144
0.132
0.503
0.537
0.145
0.133
0.593
0.666
0.157
0.144
0.435
0.424
0.157
0.144
0.564
0.514
<
Delay Equations [ns]
Group1*
0.071 + 0.037*SL
0.067 + 0.033*SL
0.465 + 0.019*SL
0.496 + 0.021*SL
0.071 + 0.037*SL
0.067 + 0.033*SL
0.554 + 0.019*SL
0.625 + 0.021*SL
0.083 + 0.037*SL
0.076 + 0.034*SL
0.394 + 0.020*SL
0.379 + 0.022*SL
0.084 + 0.037*SL
0.076 + 0.034*SL
0.523 + 0.020*SL
0.469 + 0.022*SL
Group2*
0.064 + 0.038*SL
0.064 + 0.033*SL
0.471 + 0.018*SL
0.505 + 0.018*SL
0.066 + 0.038*SL
0.066 + 0.033*SL
0.561 + 0.018*SL
0.634 + 0.018*SL
0.080 + 0.038*SL
0.080 + 0.033*SL
0.403 + 0.018*SL
0.391 + 0.019*SL
0.080 + 0.038*SL
0.081 + 0.033*SL
0.532 + 0.018*SL
0.481 + 0.019*SL
Group3*
0.059 + 0.039*SL
0.060 + 0.034*SL
0.473 + 0.017*SL
0.509 + 0.018*SL
0.059 + 0.039*SL
0.059 + 0.034*SL
0.562 + 0.017*SL
0.638 + 0.018*SL
0.073 + 0.038*SL
0.076 + 0.034*SL
0.408 + 0.018*SL
0.401 + 0.018*SL
0.073 + 0.038*SL
0.075 + 0.034*SL
0.537 + 0.018*SL
0.491 + 0.018*SL
D to Q
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
GN to Q
D to QN
GN to QN
*Group1 : SL < 4, *Group2 : =
Path
Parameter
Delay [ns]
SL = 2
0.107
0.099
0.552
0.586
0.107
0.099
0.640
0.705
0.115
0.107
0.442
0.425
0.115
0.106
0.561
0.512
<
Delay Equations [ns]
Group1*
0.071 + 0.018*SL
0.064 + 0.017*SL
0.528 + 0.012*SL
0.559 + 0.013*SL
0.070 + 0.018*SL
0.064 + 0.018*SL
0.616 + 0.012*SL
0.678 + 0.013*SL
0.078 + 0.018*SL
0.071 + 0.018*SL
0.417 + 0.013*SL
0.397 + 0.014*SL
0.078 + 0.019*SL
0.070 + 0.018*SL
0.535 + 0.013*SL
0.484 + 0.014*SL
Group2*
0.071 + 0.018*SL
0.069 + 0.016*SL
0.539 + 0.010*SL
0.571 + 0.010*SL
0.070 + 0.018*SL
0.070 + 0.016*SL
0.626 + 0.010*SL
0.690 + 0.010*SL
0.078 + 0.018*SL
0.076 + 0.017*SL
0.429 + 0.010*SL
0.410 + 0.011*SL
0.079 + 0.018*SL
0.076 + 0.017*SL
0.547 + 0.010*SL
0.498 + 0.011*SL
Group3*
0.061 + 0.019*SL
0.065 + 0.017*SL
0.547 + 0.009*SL
0.585 + 0.009*SL
0.060 + 0.019*SL
0.065 + 0.017*SL
0.635 + 0.009*SL
0.703 + 0.009*SL
0.071 + 0.019*SL
0.076 + 0.017*SL
0.440 + 0.009*SL
0.426 + 0.009*SL
0.072 + 0.019*SL
0.076 + 0.017*SL
0.559 + 0.009*SL
0.514 + 0.009*SL
D to Q
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
GN to Q
D to QN
GN to QN
*Group1 : SL < 4, *Group2 : =