
Samsung ASIC
4-23
STD150
PvOByz
Normal Output Buffers
Switching Characteristics
(Typical process, 25
°
C, 1.2V, 3.3V, t
R
/t
F
=0.11ns, CL: Capacitive Load[pF])
PHOB1
PHOB2
PHOB4
PHOB8
PHOB12
Path
Parameter
Delay [ns]
CL = 50.0pF
32.137
29.433
16.463
17.579
<
Delay Equations [ns]
Group1*
1.529 + 0.612*CL
2.913 + 0.530*CL
2.503 + 0.279*CL
4.804 + 0.256*CL
Group2*
1.523 + 0.612*CL
2.623 + 0.536*CL
2.691 + 0.275*CL
5.173 + 0.248*CL
Group3*
1.457 + 0.613*CL
2.236 + 0.541*CL
2.817 + 0.274*CL
5.311 + 0.246*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
16.577
17.193
9.673
11.500
<
Delay Equations [ns]
Group1*
1.184 + 0.308*CL
2.478 + 0.294*CL
2.416 + 0.145*CL
3.414 + 0.162*CL
Group2*
1.265 + 0.306*CL
2.533 + 0.293*CL
2.610 + 0.141*CL
3.954 + 0.151*CL
Group3*
1.292 + 0.306*CL
2.371 + 0.295*CL
2.765 + 0.139*CL
4.254 + 0.147*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
7.975
7.967
4.508
4.777
<
Delay Equations [ns]
Group1*
0.243 + 0.155*CL
0.283 + 0.154*CL
1.053 + 0.069*CL
1.045 + 0.075*CL
Group2*
0.257 + 0.154*CL
0.329 + 0.153*CL
1.069 + 0.069*CL
1.093 + 0.074*CL
Group3*
0.272 + 0.154*CL
0.356 + 0.152*CL
1.085 + 0.069*CL
1.140 + 0.073*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
4.052
4.049
2.912
2.974
<
Delay Equations [ns]
Group1*
0.206 + 0.077*CL
0.174 + 0.077*CL
1.172 + 0.035*CL
1.083 + 0.038*CL
Group2*
0.195 + 0.077*CL
0.186 + 0.077*CL
1.181 + 0.035*CL
1.097 + 0.038*CL
Group3*
0.185 + 0.077*CL
0.227 + 0.077*CL
1.188 + 0.035*CL
1.122 + 0.037*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
2.791
2.753
2.484
2.440
<
Delay Equations [ns]
Group1*
0.268 + 0.050*CL
0.193 + 0.051*CL
1.306 + 0.024*CL
1.185 + 0.025*CL
Group2*
0.246 + 0.051*CL
0.181 + 0.051*CL
1.321 + 0.023*CL
1.184 + 0.025*CL
Group3*
0.232 + 0.051*CL
0.182 + 0.051*CL
1.331 + 0.023*CL
1.193 + 0.025*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =