EDD51323DBH-LS
A Write Command to the Consecutive Precharge Command Interval (same bank)
Operation by each case of destination bank of the consecutive Precharge command.
Bank address
Operation
The PRE and PALL command can interrupt a write operation.
1.
2.
Same
To complete a burst write operation, tWPD is required between the write and the precharge
command. Please refer to the following timing chart.
The PRE command does not interrupt a write command.
No interval timing is required between the write and the precharge command.
Different
WRITE to PRECHARGE Command Interval (same bank)
The minimum interval tWPD is necessary between the write command and the precharge command.
t0
t1
t2
t3
t4
tn
tn + 1
tn + 2
CK
/CK
Command
PRE/PALL
WRIT
NOP
tWPD
NOP
tWR
DM
DQS
DQ
in0
in1
in2
in3
Last data input
WRITE to PRECHARGE Command Interval (same bank) (BL = 4)
Preliminary Data Sheet E1432E20 (Ver. 2.0)
42
ELPIDA [ ELPIDA MEMORY ]
