EDD1232ACBH ELPIDA [Elpida Memory], EDD1232ACBH Datasheet - Page 35

• Manufacturer Part Number: EDD1232ACBH
• Description: 128M bits DDR SDRAM
• Manufacturer: ELPIDA [Elpida Memory]

Command
Data Sheet E1202E20 (Ver.2.0)
Command
Note: tWTR is referenced from the first positive CK edge after the last desired data in pair tWTR.
DQS
/CK
DM
DQ
CK
DQS
/CK
DM
DQ
CK
WRIT
t0
WRIT
t0
in0
t1
2 cycle
NOP
in0
t1
in1
Data masked
4 cycle
Data masked
in1
NOP
in2
t2
[WRITE to READ delay = 2 clock cycle]
[WRITE to READ delay = 4 clock cycle]
READ
in2
t2
in3
tWTR*
in3
t3
t3
CL=3
READ
35
t4
t4
t5
CL=3
t5
out0 out1 out2 out3
NOP
t6
t6
NOP
t7
out0 out1 out2 out3
EDD1232ACBH
t7
t8
High-Z
High-Z
BL = 4
CL = 3
t8
t9
BL = 4
CL = 3