a3p250l Actel Corporation, a3p250l Datasheet - Page 120

• Manufacturer Part Number: a3p250l
• Description: Proasic3l Low-power Flash Fpgas With Flash*freeze Technology
• Manufacturer: Actel Corporation

ProASIC3L DC and Switching Characteristics
2 -1 0 8
Timing Characteristics
Table 2-152 • FIFO
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
F
Note:
ENS
ENH
BKS
BKH
DS
DH
CKQ1
CKQ2
RCKEF
WCKFF
CKAF
RSTFG
RSTAF
RSTBQ
REMRSTB
RECRSTB
MPWRSTB
CYC
MAX
For specific junction temperature and voltage supply levels, refer to
for derating values.
Worst Commercial-Case Conditions: T
REN_B, WEN_B Setup Time
REN_B, WEN_B Hold Time
BLK_B Setup Time
BLK_B Hold Time
Input Data (DI) Setup Time
Input Data (DI) Hold Time
Clock HIGH to New Data Valid on DO (flow-through)
Clock HIGH to New Data Valid on DO (pipelined)
RCLK HIGH to Empty Flag Valid
WCLK HIGH to Full Flag Valid
Clock HIGH to Almost Empty/Full Flag Valid
RESET_B LOW to Empty/Full Flag Valid
RESET_B LOW to Almost Empty/Full Flag Valid
RESET_B LOW to Data Out LOW on DO (flow-through)
RESET_B LOW to Data Out LOW on DO (pipelined)
RESET_B Removal
RESET_B Recovery
RESET_B Minimum Pulse Width
Clock Cycle Time
Maximum Frequency for FIFO
A d v a n c e v 0. 4
Description
J
= 70°C, V
CC
= 1.14 V
Table 2-6 on page 2-7
1.84
0.02
0.40
0.00
0.24
0.00
3.14
1.19
2.29
2.18
8.25
2.26
8.17
1.23
1.23
0.38
2.00
0.63
5.75
174
–1
0.00
Std.
2.16
0.03
0.47
0.00
0.29
3.69
1.40
2.69
2.56
9.70
2.65
9.60
1.45
1.45
0.45
2.35
0.72
6.61
151
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns