參數(shù)資料
型號: LH543601P-30
廠商: Sharp Corporation
英文描述: 256 x 36 x 2 Bidirectional FIFO
中文描述: 256 × 36 × 2雙向先進先出
文件頁數(shù): 32/43頁
文件大?。?/td> 360K
代理商: LH543601P-30
TIMING DIAGRAMS (cont’d)
B
CK
B
R/W
B
EN
EF
2
A
CK
R/W
A
A
EN
t
EH
t
ES
t
EH
t
ES
t
DS
t
DH
t
DS
t
DH
t
EH
ES
t
EH
t
ES
t
EF
t
FRL
t
EF
t
NOTES:
1. A
2A
, A
1A
, A
0A
, and A
0B
are all held HIGH for FIFO access.
2. OE
B
is held HIGH.
3. OE
A
is held LOW.
4. t
FRL
(First Read Latency) - The first read following an empty condition
may begin no earlier than t
FRL
after the first write to an empty FIFO,
to ensure that valid read data is retrieved.
t
A
t
A
t
OH
t
OH
D
0B
- D
35B
D
0A
- D
35A
RWH
t
RWS
t
RWH
t
RWS
t
RWH
t
RWS
t
RWH
t
RWS
t
PREVIOUS DATA
N1
N2
N1
N2
543601-17
t
RQS
t
RQH
REQ
B
t
RQS
t
RQH
REQ
A
t
RQS
t
RQH
t
RQH
t
RQS
Figure 23. FIFO #2 Write and Read Operation in
Near-Empty Region
LH543601
256
×
36
×
2 Bidirectional FIFO
32
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