ex256-ptq64pp Actel Corporation, ex256-ptq64pp Datasheet - Page 26

• Manufacturer Part Number: ex256-ptq64pp
• Description: Ex Family Fpgas
• Manufacturer: Actel Corporation

eX Family Timing Characteristics
Table 1-17 • eX Family Timing Characteristics
1 -2 2
Parameter
C-Cell Propagation Delays
t
Predicted Routing Delays
t
t
t
t
t
t
t
t
R-Cell Timing
t
t
t
t
t
t
t
t
2.5 V Input Module Propagation Delays
t
t
3.3 V Input Module Propagation Delays
t
t
5.0 V Input Module Propagation Delays
t
t
Input Module Predicted Routing Delays
t
t
t
t
t
t
Notes:
1. For dual-module macros, use t
2. Routing delays are for typical designs across worst-case operating conditions. These parameters should be used for estimating
PD
DC
FC
RD1
RD2
RD3
RD4
RD8
RD12
RCO
CLR
PRESET
SUD
HD
WASYN
RECASYN
HASYN
INYH
INYL
INYH
INYL
INYH
INYL
IRD1
IRD2
IRD3
IRD4
IRD8
IRD12
eX Family FPGAs
device performance. Post-route timing analysis or simulation is required to determine actual worst-case performance.
(Worst-Case Commercial Conditions, V
Description
Internal Array Module
FO=1 Routing Delay, DirectConnect
FO=1 Routing Delay, FastConnect
FO=1 Routing Delay
FO=2 Routing Delay
FO=3 Routing Delay
FO=4 Routing Delay
FO=8 Routing Delay
FO=12 Routing Delay
Sequential Clock-to-Q
Asynchronous Clear-to-Q
Asynchronous Preset-to-Q
Flip-Flop Data Input Set-Up
Flip-Flop Data Input Hold
Asynchronous Pulse Width
Asynchronous Recovery Time
Asynchronous Hold Time
Input Data Pad-to-Y HIGH
Input Data Pad-to-Y LOW
Input Data Pad-to-Y HIGH
Input Data Pad-to-Y LOW
Input Data Pad-to-Y HIGH
Input Data Pad-to-Y LOW
FO=1 Routing Delay
FO=2 Routing Delay
FO=3 Routing Delay
FO=4 Routing Delay
FO=8 Routing Delay
FO=12 Routing Delay
2
1
PD
+ t
RD1
+ t
PDn
2
, t
RCO
CCA
+ t
RD1
= 2.3 V
+ t
v4.3
PDn
,
Min.
T
0.5
0.0
1.3
0.3
0.3
‘–P’ Speed
J
or t
= 70°C)
PD1
+ t
Max.
0.7
0.1
0.3
0.3
0.4
0.5
0.7
1.2
1.7
0.6
0.6
0.7
0.6
0.8
0.7
0.9
0.7
0.9
0.3
0.4
0.5
0.7
1.2
1.7
RD1
+ t
SUD
Min.
‘Std’ Speed
0.7
0.0
1.9
0.5
0.5
, whichever is appropriate.
Max.
0.5
0.6
0.8
1.0
1.7
2.5
1.1
1.3
1.3
0.4
0.6
0.8
1.0
1.7
2.5
1.0
0.1
0.5
0.9
0.8
0.9
0.9
1.0
1.0
Min.
1.0
0.0
2.6
0.7
0.7
‘–F’ Speed
Max.
3.5
3.5
1.4
0.2
0.7
0.7
0.8
1.1
1.3
2.4
1.3
1.2
1.3
1.3
1.5
1.4
1.8
1.4
1.8
0.5
0.8
1.1
1.3
2.4
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns