參數(shù)資料
型號(hào): LH543611
廠商: Sharp Corporation
英文描述: 512 x 36 x 2 / 1024 x 36 x 2 Synchronous Bidirectional FIFO
中文描述: 512 × 36 x一千○二十四分之二× 36 × 2同步雙向先進(jìn)先出
文件頁(yè)數(shù): 34/57頁(yè)
文件大?。?/td> 475K
代理商: LH543611
TIMING DIAGRAMS (cont’d)
FF
1
(FF
2
)
EH
t
ES
t
FF
t
FF
t
CK (CK )
EN (EN )
CK (CK )
R/W (R/W )
R/W (R/W )
EN (EN )
RWH
t
RWS
t
RWH
t
RWS
t
543611-28
NOTES:
1.
A
2A
,
A
,
and A
all are held HIGH for FIFO access at Port A.
A
is held HIGH for FIFO access at Port B.
2. Parameters without parentheses apply to FIFO #1 operation.
Parameters with parentheses apply to FIFO #2 operation.
3. Assertion of the Full Flags is controlled by rising clock
edges; whereas, deassertion of the Full Flags is controlled
by falling clock edges.
t
RQS
t
RQH
REQ
A
(REQ
B
)
EH
t
ES
t
REQ
B
(REQ
A
)
t
RQS
t
RQH
Figure 22. Full Flag Timing, When Asynchronous
LH543611/21
512 x 36 x 2/1024 x 36 x 2 BiFIFOs
34
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