agle600 Actel Corporation, agle600 Datasheet - Page 118

• Manufacturer Part Number: agle600
• Description: Iglooe Low-power Flash Fpgas With Flash*freeze Technology
• Manufacturer: Actel Corporation

IGLOOe DC and Switching Characteristics
Figure 2-53 • FIFO FULL Flag and AFULL Flag Assertion
Figure 2-54 • FIFO EMPTY Flag and AEMPTY Flag Deassertion
Figure 2-55 • FIFO FULL Flag and AFULL Flag Deassertion
2 -1 0 6
(Address Counter)
(Address Counter)
(Address Counter)
AEMPTY
WA/RA
WCLK
FULL
AFULL
WA/RA
EMPTY
RCLK
WCLK
RCLK
WA/RA
AFULL
WCLK
FULL
MATCH (FULL)
MATCH
(EMPTY)
NO MATCH
1st Rising
After 1st
Write
Edge
1st Rising
After 1st
Edge
Read
NO MATCH
NO MATCH
2nd Rising
t
NO MATCH
After 1st
CYC
Write
Edge
1st Rising
After 2nd
NO MATCH
Edge
Read
A d v a n c e v 0. 3
NO MATCH
t
RCKEF
t
WCKF
t
CKAF
NO MATCH
NO MATCH
Dist = AFF_TH
NO MATCH
NO MATCH
t
WCKFF
t
CKAF
MATCH (FULL)
t
CKAF
Dist = AEF_TH + 1
Dist = AFF_TH – 1