參數(shù)資料
型號: 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
文件頁數(shù): 32/57頁
文件大?。?/td> 475K
代理商: LH543611
AE
2
(AE
1
)
EH
t
ES
t
AE
t
AE
t
CK (CK )
EN (EN )
CK (CK )
EH
ES
R/W (R/W )
R/W (R/W )
RWH
t
RWS
t
RWH
t
RWS
t
t
t
543611-27
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 #2 operation.
Parameters with parentheses apply to FIFO #1 operation.
3. Assertion of the Almost-Empty Flags is controlled by rising clock
edges; whereas, deassertion of the Almost-Empty Flags is controlled
by falling clock edges.
RQH
t
RQS
t
REQ (REQ )
B
EN (EN )
REQ (REQ )
RQH
t
RQS
t
Figure 20. Almost-Empty Flag Timing, When Asynchronous
TIMING DIAGRAMS (cont’d)
LH543611/21
512 x 36 x 2/1024 x 36 x 2 BiFIFOs
32
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