EDD5108AFTA_06 ELPIDA [Elpida Memory], EDD5108AFTA_06 Datasheet - Page 19

• Manufacturer Part Number: EDD5108AFTA_06
• Description: 512M bits DDR SDRAM
• Manufacturer: ELPIDA [Elpida Memory]

Current state
Read*
Read with auto-pre-
charge*
Write*
Write recovering*
Data Sheet E0699E50 (Ver. 5.0)
8
6
7
9
/CS
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
/RAS /CAS /WE
×
H
H
H
H
L
L
L
×
H
H
H
H
L
L
L
×
H
H
H
H
L
L
L
×
H
H
H
H
L
L
L
×
H
H
L
L
H
H
L
×
H
H
L
L
H
H
L
×
H
H
L
L
H
H
L
×
H
H
L
L
H
H
L
×
H
L
H
L
H
L
×
×
H
L
H
L
H
L
×
×
H
L
H
L
H
L
×
×
H
L
H
L
H
L
×
Address
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
19
Command
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE, PALL
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE, PALL
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE, PALL
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
EDD5108AFTA, EDD5116AFTA
Operation
NOP
NOP
BST
Interrupting burst read
operation to
start new read
ILLEGAL*
ILLEGAL*
Interrupting burst
read operation to
start pre-charge
ILLEGAL
NOP
NOP
ILLEGAL
ILLEGAL*
ILLEGAL*
ILLEGAL*
ILLEGAL*
ILLEGAL
NOP
NOP
ILLEGAL
Interrupting burst write
operation to
start read operation.
Interrupting burst write
operation to
start new write
operation.
ILLEGAL*
Interrupting write
operation to start pre-
charge.
ILLEGAL
NOP
NOP
ILLEGAL
Starting read operation. Read/ReadA
Starting new write
operation.
ILLEGAL*
ILLEGAL*
ILLEGAL
13
11
14
14
11, 14
11, 14
11
11
11
Next state
Active
Active
Active
Active
—
—
Precharging
—
Precharging
Precharging
—
—
—
—
—
—
Write
recovering
Write
recovering
—
Read/ReadA
Write/WriteA
—
Idle
—
Active
Active
—
Write/WriteA
—
—
—