
SEC ASIC
4-57
STD110
PvOTyz
Tri-State Output Buffers
Switching Characteristics
(Typical process, 25
°
C, 2.5V, 3.3V, t
R
/t
F
= 0.17ns, CL: Capacitive Load[pf])
PTOT1
PTOT2
Path
Parameter
Delay [ns]
CL = 50.0pF
44.026
33.890
21.514
17.371
44.026
33.854
21.600
17.491
1.075
1.801
44.026
33.854
21.702
17.593
1.120
1.844
<
Delay Equations [ns]
Group1*
2.843 + 0.824*CL
2.747 + 0.623*CL
2.654 + 0.377*CL
1.761 + 0.312*CL
2.843 + 0.824*CL
2.744 + 0.622*CL
2.740 + 0.377*CL
1.944 + 0.311*CL
1.075 + 0.000*CL
1.800 + 0.000*CL
2.843 + 0.824*CL
2.744 + 0.622*CL
2.845 + 0.377*CL
2.048 + 0.311*CL
1.120 + 0.000*CL
1.844 + 0.000*CL
Group2*
2.992 + 0.821*CL
2.704 + 0.624*CL
2.712 + 0.376*CL
1.781 + 0.312*CL
2.992 + 0.821*CL
2.692 + 0.623*CL
2.798 + 0.376*CL
1.951 + 0.311*CL
1.075 + 0.000*CL
1.800 + 0.000*CL
2.992 + 0.821*CL
2.692 + 0.623*CL
2.900 + 0.376*CL
2.051 + 0.311*CL
1.120 + 0.000*CL
1.844 + 0.000*CL
Group3*
3.100 + 0.819*CL
2.677 + 0.624*CL
2.748 + 0.376*CL
1.799 + 0.312*CL
3.100 + 0.819*CL
2.662 + 0.624*CL
2.834 + 0.376*CL
1.963 + 0.311*CL
1.075 + 0.000*CL
1.801 + 0.000*CL
3.100 + 0.819*CL
2.662 + 0.624*CL
2.936 + 0.376*CL
2.069 + 0.311*CL
1.120 + 0.000*CL
1.844 + 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
22.250
17.034
11.348
9.224
22.250
16.992
11.434
9.348
1.201
2.304
22.250
16.992
11.537
9.450
1.245
2.347
<
Delay Equations [ns]
Group1*
1.485 + 0.415*CL
1.379 + 0.313*CL
1.857 + 0.190*CL
1.372 + 0.157*CL
1.485 + 0.415*CL
1.367 + 0.312*CL
1.944 + 0.190*CL
1.545 + 0.156*CL
1.201 + 0.000*CL
2.304 + 0.000*CL
1.485 + 0.415*CL
1.367 + 0.312*CL
2.046 + 0.190*CL
1.648 + 0.156*CL
1.245 + 0.000*CL
2.347 + 0.000*CL
Group2*
1.620 + 0.413*CL
1.416 + 0.312*CL
1.908 + 0.189*CL
1.399 + 0.157*CL
1.620 + 0.413*CL
1.396 + 0.312*CL
1.994 + 0.189*CL
1.563 + 0.156*CL
1.201 + 0.000*CL
2.304 + 0.000*CL
1.620 + 0.413*CL
1.396 + 0.312*CL
2.097 + 0.189*CL
1.664 + 0.156*CL
1.245 + 0.000*CL
2.347 + 0.000*CL
Group3*
1.725 + 0.411*CL
1.419 + 0.312*CL
1.947 + 0.188*CL
1.422 + 0.156*CL
1.725 + 0.411*CL
1.402 + 0.312*CL
2.030 + 0.188*CL
1.579 + 0.155*CL
1.201 + 0.000*CL
2.303 + 0.000*CL
1.725 + 0.411*CL
1.402 + 0.312*CL
2.136 + 0.188*CL
1.685 + 0.155*CL
1.245 + 0.000*CL
2.347 + 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 =