MOSEL VITELIC
V54C3128(16/80/40)4V(T/S)
3. Read Interrupted by a Read
(Burst Length = 4, CAS latency = 2, 3)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK
COMMAND READ A
READ B
NOP
NOP
NOP
NOP
NOP
NOP
NOP
CAS latency = 2
tCK2, I/O’s
CAS latency = 3
tCK3, I/O’s
DOUT A0
DOUT B0
DOUT B1
DOUT B2
DOUT B3
DOUT A0
DOUT B0
DOUT B1
DOUT B2
DOUT B3
4.1 Read to Write Interval
(Burst Length = 4, CAS latency = 3)
T0
T1
T2
T3
T4
T5
T6
T7
CLK
DQM
COMMAND NOP
Minimum delay between the Read and Write Commands = 4+1 = 5 cycles
tDQZ
tDQW
READ A
NOP
NOP
NOP
NOP
WRITE B
NOP
T8
NOP
I/O’s
: “H” or “L”
DOUT A0
Must be Hi-Z before
the Write Command
DIN B0
DIN B1
DIN B2
V54C3128(16/80/40)4V(T/S) Rev. 1.5 March 2003
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