IGLOO Low Power Flash FPGAs
Revision 23
2-75
Timing Characteristics
1.2 V DC Core Voltage
Figure 2-11 AC Loading
Table 2-130 AC Waveforms, Measuring Points, and Capacitive Loads
Input Low (V)
Input High (V)
Measuring Point* (V)
CLOAD (pF)
01.2
0.6
5
Test Point
Enable Path
Datapath
5 pF
R = 1 k
R to VCCI for tLZ / tZL / tZLS
R to GND for tHZ / tZH / tZHS
5 pF for tZH / tZHS / tZL / tZLS
5 pF for tHZ / tLZ
Table 2-131 1.2 V LVCMOS Low Slew
Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.14 V, Worst-Case VCCI = 1.4 V
Applicable to Advanced I/O Banks
Drive Strength Speed Grade tDOUT tDP
tDIN tPY tEOUT
tZL
tZH
tLZ
tHZ
tZLS
tZHS Units
2 mA
Std.
1.55
8.37 0.26 1.60 1.10
8.04
7.17 3.94 3.52 13.82 12.95
ns
Note: For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-7 for derating values. Table 2-132 1.2 V LVCMOS High Slew
Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.14 V, Worst-Case VCCI = 1.14 V
Applicable to Advanced I/O Banks
Drive Strength Speed Grade tDOUT tDP tDIN tPY tEOUT tZL
tZH
tLZ
tHZ
tZLS
tZHS Units
2 mA
Std.
1.55
3.60 0.26 1.60
1.10
3.47 3.36 3.93 3.65
9.26
9.14
ns
Notes:
1. Software default selection highlighted in gray.
2. For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-7 for derating values. Table 2-133 1.2 V LVCMOS High Slew
Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.14 V, Worst-Case VCCI = 1.14 V
Applicable to Standard Plus I/O Banks
Drive Strength Speed Grade tDOUT tDP
tDIN tPY tEOUT
tZL
tZH
tLZ
tHZ
tZLS
tZHS Units
2 mA
Std.
1.55
7.59 0.26 1.59 1.10
7.29
6.54 3.30 3.35 13.08 12.33
ns
Note: For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-7 for derating values. Table 2-134 1.2 V LVCMOS High Slew
Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.14 V, Worst-Case VCCI = 1.14 V
Applicable to Standard Plus I/O Banks
Drive Strength
Speed Grade tDOUT tDP tDIN tPY tEOUT tZL
tZH
tLZ
tHZ tZLS tZHS
Units
2 mA
Std.
1.55
3.22 0.26 1.59
1.10
3.11 2.78 3.29 3.48 8.90
8.57
ns
Notes:
1. Software default selection highlighted in gray.
2. For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-7 for derating values.