a3p250l Actel Corporation, a3p250l Datasheet - Page 110

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

ProASIC3L DC and Switching Characteristics
2 -9 8
Timing Waveforms
BLK_B
Figure 2-42 • RAM Read for Pass-Through Output
Figure 2-43 • RAM Read for Pipelined Output
WEN_B
BLK_B
WEN_B
ADD
DO
ADD
DO
CLK
CLK
t
t
t
t
ENS
t
BKS
D
t
BKS
ENS
AS
AS
n
A
A
0
0
t
t
AH
AH
t
t
CKH
CKH
D
n
t
t
CYC
CYC
A d v a n c e v 0. 4
t
t
CKL
CKL
D
0
A
A
1
1
t
DOH1
t
t
CKQ1
CKQ2
D
D
1
0
A
A
2
2
t
t
t
ENH
ENH
DOH2
t
t
BKH
BKH
D
D
2
1