ProASIC3 Flash Family FPGAs
Revision 13 2-67
Timing Characteristics
Table 2-93 • Minimum and Maximum DC Input and Output Levels
DC Parameter Description Min. Max. Min. Max. Min. Max. Units
VCCI Supply Voltage 3.0 3.3 3.6 V
VOL Output Low Voltage 0.96 1.27 1.06 1.43 1.30 1.57 V
VOH Output High Voltage 1.8 2.11 1.92 2.28 2.13 2.41 V
VIL, VIH Input Low, Input High Voltages 0 3.6 0 3.6 0 3.6 V
VODIFF Differential Output Voltage 0.625 0.97 0.625 0.97 0.625 0.97 V
VOCM Output Common-Mode Voltage 1.762 1.98 1.762 1.98 1.762 1.98 V
VICM Input Common-Mode Voltage 1.01 2.57 1.01 2.57 1.01 2.57 V
VIDIFF Input Differential Voltage 300 300 300 mV
Table 2-94 • AC Waveforms, Measuring Points, and Capacitive Loads
Input Low (V) Input High (V) Measuring Point* (V)
1.64 1.94 Cross point
Note: *Measuring point = V
trip.
See Table 2-22 on page 2-21 for a complete table of trip points.
Table 2-95 • LVPECL
Commercial-Case Conditions: T
J
= 70°C, Worst-Case VCC = 1.425 V, Worst-Case VCCI = 3.0 V
Speed Grade t
DOUT
t
DP
t
DIN
t
PY
Units
Std. 0.66 1.80 0.04 1.40 ns
–1 0.56 1.53 0.04 1.19 ns
–2 0.49 1.34 0.03 1.05 ns
Note: For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-6 for derating values.