A1240A-1CQ256B ACTEL [Actel Corporation], A1240A-1CQ256B Datasheet - Page 25
A1240A-1CQ256B
Manufacturer Part Number
A1240A-1CQ256B
Description
HiRel FPGAs
Manufacturer
ACTEL [Actel Corporation]
Datasheet
1.A1240A-1CQ256B.pdf
(98 pages)
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A CT 1 Ti m i n g Ch a r ac t e r i s t i cs
(W or st -C as e M il it ar y Cond it ion s, V
Parameter
Logic Module Propagation Delays
t
t
t
t
t
Logic Module Predicted Routing Delays
t
t
t
t
t
Logic Module Sequential Timing
t
t
t
t
t
t
t
f
Input Module Propagation Delays
t
t
Input Module Predicted Routing Delays
t
t
t
t
t
Notes:
1.
2.
3.
PD1
PD2
CO
GO
RS
RD1
RD2
RD3
RD4
RD8
SUD
HD
SUENA
HENA
WCLKA
WASYN
A
MAX
INYH
INYL
IRD1
IRD2
IRD3
IRD4
IRD8
Routing delays are for typical designs across worst-case operating conditions. These parameters should be used for estimating device
performance. Post-route timing analysis or simulation is required to determine actual worst-case performance. Post-route timing is based
on actual routing delay measurements performed on the device prior to shipment.
Setup times assume fanout of 3. Further derating information can be obtained from the DirectTime Analyzer utility.
Optimization techniques may further reduce delays by 0 to 4 ns.
Description
Single Module
Dual Module Macros
Sequential Clk to Q
Latch G to Q
Flip-Flop (Latch) Reset to Q
FO=1 Routing Delay
FO=2 Routing Delay
FO=3 Routing Delay
FO=4 Routing Delay
FO=8 Routing Delay
Flip-Flop (Latch) Data Input Setup
Flip-Flop (Latch) Data Input Hold
Flip-Flop (Latch) Enable Setup
Flip-Flop (Latch) Enable Hold
Flip-Flop (Latch) Clock Active Pulse
Width
Flip-Flop (Latch) Asynchronous Pulse
Width
Flip-Flop Clock Input Period
Flip-Flop (Latch) Clock
Frequency
Pad to Y High
Pad to Y Low
FO=1 Routing Delay
FO=2 Routing Delay
FO=3 Routing Delay
FO=4 Routing Delay
FO=8 Routing Delay
2
1, 3
1
C C
= 4.5 V, T
J
Min.
10.9
10.9
23.2
= 1 25° C)
8.8
0.0
8.8
0.0
‘–1’ Speed
Max.
10.8
10.6
10.6
4.7
4.7
4.7
4.7
1.5
2.3
3.4
5.0
4.9
4.9
1.5
2.3
3.4
5.0
44
Min.
10.4
10.4
12.9
12.9
27.3
0.0
0.0
‘Std’ Speed
Max.
12.7
12.5
12.5
5.5
5.5
5.5
5.5
1.7
2.7
4.0
5.9
5.8
5.8
1.7
2.7
4.0
5.9
37
H iR e l F PG A s
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
25
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