
Samsung ASIC
4-41
STD130
PvODyz
Open Drain Output Buffers
Switching Characteristics
POD1
(Typical process, 25
°
C, 1.8V, t
R
/t
F
= 0.15ns, CL: Capacitive Load[pF])
POD2
POD4
POD8
Path
Parameter
Delay [ns]
CL = 50.0pF
23.181
11.689
0.556
23.181
11.728
0.583
<
Delay Equations [ns]
Group1*
1.723 + 0.429*CL
1.401 + 0.206*CL
0.556 + 0.000*CL
1.723 + 0.429*CL
1.440 + 0.206*CL
0.583 + 0.000*CL
Group2*
1.723 + 0.429*CL
1.401 + 0.206*CL
0.556 + 0.000*CL
1.723 + 0.429*CL
1.438 + 0.206*CL
0.583 + 0.000*CL
Group3*
1.723 + 0.429*CL
1.401 + 0.206*CL
0.556 + 0.000*CL
1.723 + 0.429*CL
1.441 + 0.206*CL
0.583 + 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
12.400
6.514
0.393
12.400
6.553
0.421
<
Delay Equations [ns]
Group1*
0.926 + 0.229*CL
0.864 + 0.113*CL
0.393 + 0.000*CL
0.926 + 0.229*CL
0.903 + 0.113*CL
0.421 + 0.000*CL
Group2*
0.924 + 0.230*CL
0.864 + 0.113*CL
0.393 + 0.000*CL
0.924 + 0.230*CL
0.903 + 0.113*CL
0.421 + 0.000*CL
Group3*
0.921 + 0.230*CL
0.864 + 0.113*CL
0.393 + 0.000*CL
0.921 + 0.230*CL
0.905 + 0.113*CL
0.421 + 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
6.983
3.912
0.312
6.983
3.952
0.339
<
Delay Equations [ns]
Group1*
0.525 + 0.129*CL
0.592 + 0.066*CL
0.312 + 0.000*CL
0.525 + 0.129*CL
0.631 + 0.066*CL
0.339 + 0.000*CL
Group2*
0.522 + 0.129*CL
0.592 + 0.066*CL
0.312 + 0.000*CL
0.522 + 0.129*CL
0.631 + 0.066*CL
0.339 + 0.000*CL
Group3*
0.520 + 0.129*CL
0.591 + 0.066*CL
0.312 + 0.000*CL
0.520 + 0.129*CL
0.631 + 0.066*CL
0.338 + 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
3.512
2.207
0.395
3.512
2.246
0.423
<
Delay Equations [ns]
Group1*
0.299 + 0.064*CL
0.546 + 0.033*CL
0.395 + 0.000*CL
0.299 + 0.064*CL
0.585 + 0.033*CL
0.423 + 0.000*CL
Group2*
0.288 + 0.064*CL
0.546 + 0.033*CL
0.395 + 0.000*CL
0.288 + 0.064*CL
0.586 + 0.033*CL
0.423 + 0.000*CL
Group3*
0.282 + 0.065*CL
0.547 + 0.033*CL
0.395 + 0.000*CL
0.282 + 0.065*CL
0.586 + 0.033*CL
0.423 + 0.000*CL
TN to PAD
tF
tPHL
tPLZ
tF
tPHL
tPLZ
EN to PAD
*Group1 : CL < 50, *Group2 : 50 =