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Samsung ASIC
4-45
STD130
PvODyz
Open Drain Output Buffers
Switching Characteristics
POD12SH
(Typical process, 25
°
C, 1.8V, t
R
/t
F
=0.15ns, CL: Capacitive Load[pF])
POD16SH
POD20SH
POD24SH
Path
Parameter
Delay [ns]
CL = 50.0pF
3.750
4.281
1.196
3.750
4.320
1.223
<
Delay Equations [ns]
Group1*
1.476 + 0.045*CL
2.462 + 0.036*CL
1.195 + 0.000*CL
1.476 + 0.045*CL
2.501 + 0.036*CL
1.222 + 0.000*CL
Group2*
1.612 + 0.043*CL
2.716 + 0.031*CL
1.196 + 0.000*CL
1.612 + 0.043*CL
2.756 + 0.031*CL
1.222 + 0.000*CL
Group3*
1.707 + 0.041*CL
2.941 + 0.028*CL
1.196 + 0.000*CL
1.707 + 0.041*CL
2.980 + 0.028*CL
1.222 + 0.000*CL
TN to PAD
tF
tPHL
tPLZ
tF
tPHL
tPLZ
EN to PAD
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
3.959
4.493
1.550
3.959
4.533
1.577
<
Delay Equations [ns]
Group1*
1.860 + 0.042*CL
2.526 + 0.039*CL
1.550 + 0.000*CL
1.859 + 0.042*CL
2.565 + 0.039*CL
1.577 + 0.000*CL
Group2*
2.104 + 0.037*CL
2.878 + 0.032*CL
1.550 + 0.000*CL
2.103 + 0.037*CL
2.918 + 0.032*CL
1.577 + 0.000*CL
Group3*
2.299 + 0.035*CL
3.191 + 0.028*CL
1.550 + 0.000*CL
2.299 + 0.035*CL
3.230 + 0.028*CL
1.577 + 0.000*CL
TN to PAD
tF
tPHL
tPLZ
tF
tPHL
tPLZ
EN to PAD
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
3.639
5.040
2.018
3.640
5.080
2.045
<
Delay Equations [ns]
Group1*
1.768 + 0.037*CL
3.255 + 0.036*CL
2.016 + 0.000*CL
1.768 + 0.037*CL
3.294 + 0.036*CL
2.043 + 0.000*CL
Group2*
2.000 + 0.033*CL
3.573 + 0.029*CL
2.018 + 0.000*CL
2.000 + 0.033*CL
3.612 + 0.029*CL
2.045 + 0.000*CL
Group3*
2.189 + 0.030*CL
3.862 + 0.025*CL
2.018 + 0.000*CL
2.189 + 0.030*CL
3.902 + 0.025*CL
2.045 + 0.000*CL
TN to PAD
tF
tPHL
tPLZ
tF
tPHL
tPLZ
EN to PAD
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
3.377
4.094
1.403
3.377
4.133
1.430
<
Delay Equations [ns]
Group1*
1.556 + 0.036*CL
2.443 + 0.033*CL
1.403 + 0.000*CL
1.556 + 0.036*CL
2.482 + 0.033*CL
1.430 + 0.000*CL
Group2*
1.824 + 0.031*CL
2.718 + 0.028*CL
1.403 + 0.000*CL
1.824 + 0.031*CL
2.758 + 0.028*CL
1.430 + 0.000*CL
Group3*
2.065 + 0.028*CL
2.982 + 0.024*CL
1.403 + 0.000*CL
2.066 + 0.028*CL
3.021 + 0.024*CL
1.430 + 0.000*CL
TN to PAD
tF
tPHL
tPLZ
tF
tPHL
tPLZ
EN to PAD
*Group1 : CL < 50, *Group2 : 50 =