AX500-1BG896 ACTEL [Actel Corporation], AX500-1BG896 Datasheet - Page 58

• Manufacturer Part Number: AX500-1BG896
• Description: Axcelerator Family FPGAs
• Manufacturer: ACTEL [Actel Corporation]

Timing Model and Waveforms
Figure 2-28 • C-Cell Timing Model and Waveforms
Timing Characteristics
Table 2-61 • C-Cell
2 -4 4
Parameter
C-Cell Propagation Delays
t
t
t
t
t
PD
PDC
PDB
CCY
CC
Axcelerator Family FPGAs
Worst-Case Commercial Conditions V
Any input to output Y
Any input to carry chain output (FCO)
Any input through DB when one input is used
Input to carry chain (FCI) to Y
Input to carry chain (FCI) to carry chain output (FCO)
A, B, D, FCI
Description
Y, FCO
Y, FCO
GND
CCA
t
PD
50%
, t
= 1.425V, V
t
PDC
PD
V
, t
CCA
50%
PDC
50%
v2.7
50%
V
CCA
CCI
t
PD
= 3.0V, T
GND
, t
t
PDC
PD
Min.
'–2' Speed
, t
GND
50%
PDC
J
= 70°C
Max.
0.74
0.57
0.95
0.61
0.08
50%
V
Min.
CCA
'–1' Speed
Max.
0.69
0.09
0.84
0.64
1.09
Min.
'Std' Speed
Max.
0.82
0.11
0.99
0.76
1.28
Units
ns
ns
ns
ns
ns