EDD5104ADTA-E Datasheet, PDF (35/49 Pages) Elpida Memory – 512M bits DDR SDRAM

EDD5104ADTA-E, EDD5108ADTA-E, EDD5116ADTA-E
A Read command to the consecutive Precharge command interval (same bank): To output all data
To complete a burst read operation and get a burst length of data, the consecutive precharge command must be
issued tRPD (= BL/ 2 cycles) after the read command is issued.
t0
t1
t2
t3
CK
/CK
t4
t5
t6
t7
t8
Command
NOP
READ
NOP
PRE/
PALL
NOP
DQ
out0 out1 out2 out3
DQS
tRPD = BL/2
READ to PRECHARGE Command Interval (same bank): To output all data (CL = 2, BL = 4)
t0
t1
t2
t3
CK
/CK
t4
t5
t6
t7
t8
Command
NOP
READ
NOP
PRE/
PALL
NOP
DQ
out0 out1 out2 out3
DQS
tRPD = BL/2
READ to PRECHARGE Command Interval (same bank): To output all data (CL = 2.5, BL = 4)
Preliminary Data Sheet E0501E10 (Ver. 1.0)
35