SmartFusion Customizable System-on-Chip (cSoC)
Revision 10 2-43
Timing Characteristics
Table 2-66 • Minimum and Maximum DC Input and Output Levels
DC Parameter Description Min. Max. Min. Max. Min. Max. Units
VCCFPGAIOBx 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 2-67 • AC Waveforms, Measuring Points, and Capacitive Loads
Input Low (V) Input High (V) Measuring Point* (V) V
REF
(typ.) (V)
1.64 1.94 Cross point –
* Measuring point = V
trip.
See Table 2-22 on page 2-24 for a complete table of trip points.
Table 2-68 • LVPECL
Worst Commercial-Case Conditions: T
J
= 85°C, Worst-Case VCC = 1.425 V,
Worst-Case VCCFPGAIOBx = 3.0 V
Applicable to FPGA I/O Banks, I/O Assigned to EMC I/O Pins
Speed Grade t
DOUT
t
DP
t
DIN
t
PY
Units
Std. 0.60 1.76 0.04 1.76 ns
–1 0.50 1.46 0.03 1.46 ns
Notes:
1. For the derating values at specific junction temperature and voltage supply levels, refer to Table 2-7 on page 2-9 for
derating values.
2. The above mentioned timing parameters correspond to 24mA drive strength.