LG Semicon
GM72V66841CT/CLT
Write Command to Read Command Interval:
However, in the case of a burst write, data will
continue to be written until one cycle before the
read command is executed.
1. Same bank, same Row address: When the read
command is executed at the same ROW address of
the same bank as the preceding write command, the
write command can be performed after an interval
of no less than 1 cycle.
WRITE to READ Command Interval (1)
CLK
WRIT
in A0
READ
Command
DQM,
DQMU/DQML
Din
out B0
out B1
out B2
out B3
Dout
CAS Latency
Column=A
Write
Burst Write Mode
Column=B
Read
Column=B
Dout
CAS Latency=2
Burst Length = 4
Bank0
WRITE to READ Command Interval (2)
CLK
WRIT
in A0
READ
Command
DQM,
DQMU/DQML
in A1
Din
out B0
out B1
out B2
out B3
Dout
CAS Latency
Column=A
Write
Burst Write Mode
CAS Latency=2
Burst Length = 4
Bank0
Column=B
Read
Column=B
Dout
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