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V54C316162V Rev.2.9 September 2001
MOSEL VITELIC
V54C316162V
3. Read Interrupted by a Read
(Burst Length = 4, CAS latency = 2, 3)
4.1 Read to Write Interval
(Burst Length = 4, CAS latency = 3)
COMMAND
READ A
READ B
NOP
NOP
NOP
NOP
NOP
NOP
t
CK2,
I/O
’
s
CAS latency = 2
t
CK3,
I/O
’
s
CAS latency = 3
NOP
CLK
T0
T2
T1
T3
T4
T5
T6
T7
T8
DOUT B
0
DOUT B
1
DOUT B
2
DOUT B
3
DOUT A
0
DOUT B
0
DOUT B
1
DOUT B
2
DOUT B
3
DOUT A
0
COMMAND
NOP
READ A
NOP
NOP
NOP
NOP
WRITE B
NOP
NOP
DQM
DOUT A0
DIN B0
DIN B1
DIN B2
Must be Hi-Z before
the Write Command
I/O
’
s
Minimum delay between the Read and Write Commands = 4+1 = 5 cycles
CLK
T0
T2
T1
T3
T4
T5
T6
T7
T8
t
DQZ
t
DQW
:
“
H
”
or
“
L
”