LH543621P-20 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LH543621P-20' PDF : 57 Pages View PDF
512 x 36 x 2/1024 x 36 x 2 BiFIFOs
TIMING DIAGRAMS (cont’d)
CKB
tRWS
R/WB
tES
ENB
tRQS
REQB
tWSS tWSH
WS1
tWSS tWSH
WS0
tPF
PFB
(SYNCHRONOUS
LATCHING)
tDS tDH
D0B - D35B
(WHEN DATA
WORDS ARE
INCOMING)
tPF
PFB
(ASYNCHRONOUS,
WHEN DATA WORDS
ARE INCOMING)
tA
D0B - D35B
(WHEN DATA
WORDS ARE
OUTGOING)
tPF
PFB
(ASYNCHRONOUS,
WHEN DATA WORDS
ARE OUTGOING)
NOTE: During retransmit, WS1 and WS0 must be stable throughout entire clock cycle.
Figure 41. Changing Port B
Word-Width Selection During Operation
LH543611/21
543611-50
53
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