
Samsung ASIC
4-39
STD130
PvOByz
Normal Output Buffers
Switching Characteristics
(Typical process, 25
°
C, 1.8V, 3.3V, t
R
/t
F
=0.15ns, CL: Capacitive Load[pF])
PHOB12SH
PHOB16SH
PHOB20SH
PHOB24SH
Path
Parameter
Delay [ns]
CL = 50.0pF
4.277
3.712
4.888
4.208
<
Delay Equations [ns]
Group1*
1.450 + 0.057*CL
1.095 + 0.052*CL
2.981 + 0.038*CL
2.373 + 0.037*CL
Group2*
1.514 + 0.055*CL
1.141 + 0.051*CL
3.210 + 0.034*CL
2.556 + 0.033*CL
Group3*
1.523 + 0.055*CL
1.143 + 0.051*CL
3.396 + 0.031*CL
2.702 + 0.031*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
3.679
3.062
4.799
4.006
<
Delay Equations [ns]
Group1*
1.510 + 0.043*CL
1.054 + 0.040*CL
3.158 + 0.033*CL
2.492 + 0.030*CL
Group2*
1.600 + 0.042*CL
1.120 + 0.039*CL
3.401 + 0.028*CL
2.674 + 0.027*CL
Group3*
1.640 + 0.041*CL
1.151 + 0.038*CL
3.603 + 0.025*CL
2.827 + 0.025*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
3.611
2.997
5.087
4.250
<
Delay Equations [ns]
Group1*
1.718 + 0.038*CL
1.262 + 0.035*CL
3.469 + 0.032*CL
2.768 + 0.030*CL
Group2*
1.857 + 0.035*CL
1.371 + 0.033*CL
3.746 + 0.027*CL
2.988 + 0.025*CL
Group3*
1.957 + 0.034*CL
1.451 + 0.031*CL
3.987 + 0.024*CL
3.179 + 0.023*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =
Path
Parameter
Delay [ns]
CL = 50.0pF
3.585
3.066
5.316
4.430
<
Delay Equations [ns]
Group1*
1.872 + 0.034*CL
1.457 + 0.032*CL
3.714 + 0.032*CL
2.920 + 0.030*CL
Group2*
2.036 + 0.031*CL
1.609 + 0.029*CL
4.014 + 0.026*CL
3.175 + 0.025*CL
Group3*
2.165 + 0.029*CL
1.729 + 0.028*CL
4.276 + 0.023*CL
3.402 + 0.022*CL
A to PAD
tR
tF
tPLH
tPHL
*Group1 : CL < 50, *Group2 : 50 =