A1240A-1CQ256B ACTEL [Actel Corporation], A1240A-1CQ256B Datasheet - Page 49
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 32 10 0D X T i m i ng C ha r a ct er i s t i c s
(Wor st - Cas e M il it ar y Cond it ion s, V
Parameter
Synchronous SRAM Operations
t
t
t
t
t
t
t
t
t
t
t
t
Asynchronous SRAM Operations
t
t
t
t
t
t
t
t
t
RC
WC
RCKHL
RCO
ADSU
ADH
RENSU
RENH
WENSU
WENH
BENS
BENH
RPD
RDADV
ADSU
ADH
RENSUA
RENHA
WENSU
WENH
DOH
Description
Read Cycle Time
Write Cycle Time
Clock High/Low Time
Data Valid After Clock High/Low
Address/Data Setup Time
Address/Data Hold Time
Read Enable Setup
Read Enable Hold
Write Enable Setup
Write Enable Hold
Block Enable Setup
Block Enable Hold
Asynchronous Access Time
Read Address Valid
Address/Data Setup Time
Address/Data Hold Time
Read Enable Setup to Address Valid
Read Enable Hold
Write Enable Setup
Write Enable Hold
Data Out Hold Time
C C
= 4.5 V, T
(continued)
J
= 1 25° C)
Min.
11.5
8.8
8.8
4.4
2.1
0.0
0.8
3.5
0.0
3.6
0.0
2.1
0.0
0.8
3.5
0.0
4.4
4.4
’–1’ Speed
Max.
10.6
4.4
1.6
Min.
11.8
11.8
15.3
5.9
2.8
0.0
1.1
5.9
4.7
0.0
4.8
0.0
2.8
0.0
1.1
5.9
4.7
0.0
‘Std’ Speed
Max.
14.1
5.9
2.1
H iR e l F PG A s
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
49
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