M1A3P250-VQ100 Datasheet, PDF (26/210 Pages) Microsemi Corporation – ProASIC3 Flash Family FPGAs with Optional Soft ARM Support

ProASIC3 Flash Family FPGAs
Summary of I/O Timing Characteristics – Default I/O Software
Settings
Table 2-22 • Summary of AC Measuring Points
Standard
3.3 V LVTTL / 3.3 V LVCMOS
3.3 V LVCMOS Wide Range
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
3.3 V PCI
3.3 V PCI-X
Measuring Trip Point (V_trip)
1.4 V
1.4 V
1.2 V
0.90 V
0.75 V
0.285 * VCCI (RR)
0.615 * VCCI (FF)
0.285 * VCCI (RR)
0.615 * VCCI (FF)
Table 2-23 • I/O AC Parameter Definitions
Parameter
Parameter Definition
t_DP
t_PY
t_DOUT
t_EOUT
t_DIN
t_HZ
t_ZH
t_LZ
t_ZL
t_ZHS
t_ZLS
Data to Pad delay through the Output Buffer
Pad to Data delay through the Input Buffer
Data to Output Buffer delay through the I/O interface
Enable to Output Buffer Tristate Control delay through the I/O interface
Input Buffer to Data delay through the I/O interface
Enable to Pad delay through the Output Buffer—High to Z
Enable to Pad delay through the Output Buffer—Z to High
Enable to Pad delay through the Output Buffer—Low to Z
Enable to Pad delay through the Output Buffer—Z to Low
Enable to Pad delay through the Output Buffer with delayed enable—Z to High
Enable to Pad delay through the Output Buffer with delayed enable—Z to Low
Revision 15
2- 21