EDE5104AGSE, EDE5108AGSE
T0
T1
T2
T3
T4
T5
T6
T7
T8
/CK
CK
Posted
READ
NOP
Command
<tDQSCK
=
DQS, /DQS
AL = 2
CL = 3
RL = 5
out0 out1 out2 out3
DQ
Burst Read Operation (RL = 5, BL = 4 (AL = 2, CL = 3))
T0
T1
T3
T4
T5
T6
T7
T8
T9
/CK
CK
Posted
READ
Posted
WRIT
NOP
NOP
NOP
Command
tRTW (Read to Write = 4 clocks)
DQS, /DQS
RL = 5
WL = RL - 1 = 4
out0 out1 out2 out3
in0
in1
in2
in3
DQ
Burst Read Followed by Burst Write (RL = 5, WL = RL-1 = 4, BL = 4)
The minimum time from the burst read command to the burst write command is defined by a read-to-write-turn-
around-time, which is 4 clocks.
T0
T1
T2
T3
T4
T5
T6
T7
T8
/CK
CK
Posted
READ
Posted
READ
NOP
NOP
Command
A
B
DQS, /DQS
AL = 2
CL = 3
RL = 5
out out out out out out out
A0 A1 A2 A3 B0 B1 B2
DQ
Seamless Burst Read Operation (RL = 5, AL = 2, and CL = 3)
Preliminary Data Sheet E0715E20 (Ver. 2.0)
41
ELPIDA [ ELPIDA MEMORY ]
