Fusion Family of Mixed Signal FPGAs
Revision 4
2-117
ADC Interface Timing
Table 2-48 ADC Interface Timing
Commercial Temperature Range Conditions: TJ = 70°C, Worst-Case VCC = 1.425 V
Parameter
Description
–2
–1
Std.
Units
tSUMODE
Mode Pin Setup Time
0.56
0.64
0.75
ns
tHDMODE
Mode Pin Hold Time
0.26
0.29
0.34
ns
tSUTVC
Clock Divide Control (TVC) Setup Time
0.68
0.77
0.90
ns
tHDTVC
Clock Divide Control (TVC) Hold Time
0.32
0.36
0.43
ns
tSUSTC
Sample Time Control (STC) Setup Time
1.58
1.79
2.11
ns
tHDSTC
Sample Time Control (STC) Hold Time
1.27
1.45
1.71
ns
tSUVAREFSEL
Voltage Reference Select (VAREFSEL) Setup Time
0.00
ns
tHDVAREFSEL
Voltage Reference Select (VAREFSEL) Hold Time
0.67
0.76
0.89
ns
tSUCHNUM
Channel Select (CHNUMBER) Setup Time
0.90
1.03
1.21
ns
tHDCHNUM
Channel Select (CHNUMBER) Hold Time
0.00
ns
tSUADCSTART
Start of Conversion (ADCSTART) Setup Time
0.75
0.85
1.00
ns
tHDADCSTART
Start of Conversion (ADCSTART) Hold Time
0.43
0.49
0.57
ns
tCK2QBUSY
Busy Clock-to-Q
1.33
1.51
1.78
ns
tCK2QCAL
Power-Up Calibration Clock-to-Q
0.63
0.71
0.84
ns
tCK2QVAL
Valid Conversion Result Clock-to-Q
3.12
3.55
4.17
ns
tCK2QSAMPLE
Sample Clock-to-Q
0.22
0.25
0.30
ns
tCK2QRESULT
Conversion Result Clock-to-Q
2.53
2.89
3.39
ns
tCLR2QBUSY
Busy Clear-to-Q
2.06
2.35
2.76
ns
tCLR2QCAL
Power-Up Calibration Clear-to-Q
2.15
2.45
2.88
ns
tCLR2QVAL
Valid Conversion Result Clear-to-Q
2.41
2.74
3.22
ns
tCLR2QSAMPLE
Sample Clear-to-Q
2.17
2.48
2.91
ns
tCLR2QRESULT
Conversion result Clear-to-Q
2.25
2.56
3.01
ns
tRECCLR
Recovery Time of Clear
0.00
ns
tREMCLR
Removal Time of Clear
0.63
0.72
0.84
ns
tMPWSYSCLK
Clock Minimum Pulse Width for the ADC
4.00
ns
t
Clock Maximum Frequency for the ADC
100.00
MHz