[Read Interrupted by Precharge]
Burst read operation can be interrupted by precharge of the same
bank. READ to PRE interval is minimum 1 CLK. A PRE command
disables the data output, depending on the CAS Latency. The figure
below shows examples, when the data-out is terminated.
CL=3
CL=2
CLK
Command
DQ
Command
DQ
Command
DQ
Command
DQ
Command
DQ
Command
DQ
REA
PRE
Q0
Q1
Q2
Q3
REA
PRE
Q0
Q1
Q2
REA PRE
Q0
REA
PRE
Q0
Q1
Q2
Q3
REA
PRE
Q0
Q1
Q2
REA PRE
Q0
Figure 11. READ Interrupted by Precharge (BL=4)
14
G-LINK Technology
DEC. 2003 (Rev. 2.4)