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Samsung ASIC
4-53
STD130
PvODyz
Open Drain Output Buffers
Switching Characteristics
(Typical process, 25
°
C, 1.8V, 3.3V, t
R
/t
F
=0.15ns, CL: Capacitive Load[pF])
PHOD1
PHOD2
PHOD4
PHOD8
Path
Parameter
Delay [ns]
CL = 50.0pF
26.611
13.664
1.091
26.611
13.761
1.167
<
Delay Equations [ns]
Group1*
1.546 + 0.501*CL
1.713 + 0.239*CL
1.091 + 0.000*CL
1.546 + 0.501*CL
1.811 + 0.239*CL
1.167 + 0.000*CL
Group2*
1.549 + 0.501*CL
1.714 + 0.239*CL
1.091 + 0.000*CL
1.549 + 0.501*CL
1.811 + 0.239*CL
1.167 + 0.000*CL
Group3*
1.546 + 0.501*CL
1.714 + 0.239*CL
1.091 + 0.000*CL
1.546 + 0.501*CL
1.811 + 0.239*CL
1.167 + 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
14.640
8.133
0.885
14.640
8.230
0.961
<
Delay Equations [ns]
Group1*
0.858 + 0.276*CL
1.273 + 0.137*CL
0.885 + 0.000*CL
0.858 + 0.276*CL
1.370 + 0.137*CL
0.961 + 0.000*CL
Group2*
0.860 + 0.276*CL
1.273 + 0.137*CL
0.885 + 0.000*CL
0.860 + 0.276*CL
1.369 + 0.137*CL
0.961 + 0.000*CL
Group3*
0.857 + 0.276*CL
1.273 + 0.137*CL
0.885 + 0.000*CL
0.857 + 0.276*CL
1.371 + 0.137*CL
0.961 + 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
8.636
5.350
0.778
8.636
5.447
0.853
<
Delay Equations [ns]
Group1*
0.511 + 0.163*CL
1.044 + 0.086*CL
0.778 + 0.000*CL
0.511 + 0.163*CL
1.141 + 0.086*CL
0.853 + 0.000*CL
Group2*
0.510 + 0.163*CL
1.044 + 0.086*CL
0.778 + 0.000*CL
0.510 + 0.163*CL
1.141 + 0.086*CL
0.853 + 0.000*CL
Group3*
0.510 + 0.163*CL
1.044 + 0.086*CL
0.778 + 0.000*CL
0.510 + 0.163*CL
1.141 + 0.086*CL
0.853 + 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
4.329
3.122
0.887
4.329
3.219
0.963
<
Delay Equations [ns]
Group1*
0.274 + 0.081*CL
0.969 + 0.043*CL
0.887 + 0.000*CL
0.274 + 0.081*CL
1.066 + 0.043*CL
0.963 + 0.000*CL
Group2*
0.268 + 0.081*CL
0.969 + 0.043*CL
0.887 + 0.000*CL
0.268 + 0.081*CL
1.066 + 0.043*CL
0.963 + 0.000*CL
Group3*
0.265 + 0.081*CL
0.969 + 0.043*CL
0.887 + 0.000*CL
0.265 + 0.081*CL
1.066 + 0.043*CL
0.963 + 0.000*CL
TN to PAD
tF
tPHL
tPLZ
tF
tPHL
tPLZ
EN to PAD
*Group1 : CL < 50, *Group2 : 50 =