SDRAM (Rev.1.3)
Mar98
MITSUBISHI LSIs
M5M4V64S20ATP-8A,-8L,-8, -10L, -10
64M (4-BANK x 4194304-WORD x 4-BIT) Synchronous DRAM
[ Read Interrupted by Burst Terminate ]
Similar to a precharge, the burst terminate command, TBST, can interrupt the burst read operation
and disable the data output. The READ to TBST interval is a minimum of one CLK. TBST is mainly
used to interrupt FP bursts. The figures below show examples, of how the output data is terminated
with TBST.
Read Interrupted by Burst Terminate(BL=4)
CLK
Command
DQ
READ
TBST
Q0 Q1 Q2 Q3
CL=3
Command
DQ
READ
TBST
Q0 Q1 Q2
Command
READ TBST
DQ
Q0
CL=2
Command
DQ
READ
TBST
Q0 Q1 Q2 Q3
Command
DQ
READ
TBST
Q0 Q1 Q2
Command
DQ
READ TBST
Q0
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