參數(shù)資料
型號: LH543601P-35
廠商: Sharp Corporation
英文描述: 256 x 36 x 2 Bidirectional FIFO
中文描述: 256 × 36 × 2雙向先進(jìn)先出
文件頁數(shù): 34/43頁
文件大小: 360K
代理商: LH543601P-35
TIMING DIAGRAMS (cont’d)
B
CK
B
R/W
FF
2
A
CK
R/W
A
A
EN
NOTES:
1. A
2A
,
A
1A
,
and A
0A
all are held HIGH for FIFO access at Port A.
A
0B
is held HIGH for FIFO access at Port B.
2. OE
B
is held HIGH.
3. OE
A
is held LOW.
4. t
FWL
(First Write Latency) - The first write following a full condition
may begin no earlier than t
FWL
after the first read from a full FIFO,
to ensure that valid write data is written.
D
0B
- D
35B
D
0A
- D
35A
PREVIOUS DATA
t
DS
t
DH
t
DS
t
DH
t
FWL
t
FF
ES
t
EH
t
t
EH
ES
t
t
OH
A
t
t
OH
A
t
FF
t
RWH
t
RWS
t
RWH
t
RWS
t
RWH
t
RWS
t
RWH
t
RWS
t
543601-15
B
EN
t
EH
t
ES
t
EH
t
ES
t
RQS
t
RQH
REQ
B
t
RQS
t
RQH
t
RQS
t
RQH
REQ
A
t
RQS
t
RQH
Figure 25. FIFO #2 Read and Write Operation in
Near-Full Region
LH543601
256
×
36
×
2 Bidirectional FIFO
34
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