Samsung ASIC
4-49
STDM110
PvOTyz
Tri-State Output Buffers
Switching Characteristics
(Typical process, 25
°
C, 1.8V, 3.3V, t
R
/t
F
= 0.19ns, CL: Capacltive Load[pf])
PHOT1
PHOT2
Path
Parameter
Delay [ns]
CL = 50.0pF
42.148
33.014
20.687
17.678
42.146
33.014
21.198
18.144
1.813
1.525
42.146
33.014
21.379
18.324
1.896
1.608
<
Delay Equations [ns]
Group1*
1.623 + 0.811*CL
1.269 + 0.635*CL
1.940 + 0.375*CL
2.113 + 0.311*CL
1.623 + 0.810*CL
1.269 + 0.635*CL
2.448 + 0.375*CL
2.577 + 0.311*CL
1.813 + 0.000*CL
1.525 + 0.000*CL
1.623 + 0.810*CL
1.269 + 0.635*CL
2.629 + 0.375*CL
2.761 + 0.311*CL
1.896 + 0.000*CL
1.608 + 0.000*CL
Group2*
1.624 + 0.810*CL
1.270 + 0.635*CL
1.939 + 0.375*CL
2.114 + 0.311*CL
1.620 + 0.811*CL
1.270 + 0.635*CL
2.448 + 0.375*CL
2.578 + 0.311*CL
1.813 + 0.000*CL
1.525 + 0.000*CL
1.620 + 0.811*CL
1.270 + 0.635*CL
2.633 + 0.375*CL
2.760 + 0.311*CL
1.896 + 0.000*CL
1.608 + 0.000*CL
Group3*
1.621 + 0.811*CL
1.267 + 0.635*CL
1.942 + 0.375*CL
2.114 + 0.311*CL
1.623 + 0.810*CL
1.267 + 0.635*CL
2.451 + 0.375*CL
2.581 + 0.311*CL
1.813 + 0.000*CL
1.525 + 0.000*CL
1.623 + 0.810*CL
1.267 + 0.635*CL
2.630 + 0.375*CL
2.757 + 0.311*CL
1.896 + 0.000*CL
1.608 + 0.000*CL
A to PAD
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
tPLZ
tPHZ
tR
tF
tPLH
tPHL
tPLZ
tPHZ
TN to PAD
EN to PAD
*Group1 : CL < 50, *Group2 : 5 =
Path
Parameter
Delay [ns]
CL = 50.0pF
21.098
18.188
10.983
10.634
21.098
18.188
11.494
11.101
1.669
1.572
21.098
18.188
11.674
11.281
1.752
1.655
<
Delay Equations [ns]
Group1*
0.836 + 0.405*CL
0.706 + 0.350*CL
1.609 + 0.187*CL
1.738 + 0.178*CL
0.836 + 0.405*CL
0.706 + 0.350*CL
2.118 + 0.188*CL
2.202 + 0.178*CL
1.669 + 0.000*CL
1.572 + 0.000*CL
0.836 + 0.405*CL
0.706 + 0.350*CL
2.301 + 0.187*CL
2.385 + 0.178*CL
1.752 + 0.000*CL
1.655 + 0.000*CL
Group2*
0.836 + 0.405*CL
0.702 + 0.350*CL
1.609 + 0.187*CL
1.738 + 0.178*CL
0.836 + 0.405*CL
0.702 + 0.350*CL
2.120 + 0.187*CL
2.205 + 0.178*CL
1.669 + 0.000*CL
1.572 + 0.000*CL
0.836 + 0.405*CL
0.702 + 0.350*CL
2.300 + 0.187*CL
2.385 + 0.178*CL
1.752 + 0.000*CL
1.655 + 0.000*CL
Group3*
0.833 + 0.405*CL
0.705 + 0.350*CL
1.609 + 0.187*CL
1.741 + 0.178*CL
0.833 + 0.405*CL
0.705 + 0.350*CL
2.120 + 0.187*CL
2.205 + 0.178*CL
1.669 + 0.000*CL
1.572 + 0.000*CL
0.833 + 0.405*CL
0.705 + 0.350*CL
2.300 + 0.187*CL
2.388 + 0.178*CL
1.752 + 0.000*CL
1.655 + 0.000*CL
A to PAD
tR
tF
tPLH
tPHL
tR
tF
tPLH
tPHL
tPLZ
tPHZ
tR
tF
tPLH
tPHL
tPLZ
tPHZ
TN to PAD
EN to PAD
*Group1 : CL < 50, *Group2 : 5 =