EDD5104ABTA, EDD5108ABTA
Function Truth Table (2)
Current state
Activating*4
/CS
H
L
/RAS /CAS /WE Address
Command
DESL
Operation
NOP
Next state
Active
Active
—
×
×
×
×
H
H
H
H
L
H
H
L
H
L
×
NOP
NOP
L
×
BST
ILLEGAL*11
ILLEGAL*11
ILLEGAL*11
ILLEGAL*11
ILLEGAL*11
ILLEGAL
NOP
L
H
L
BA, CA, A10
READ/READA
WRIT/WRITA
ACT
—
L
L
BA, CA, A10
—
L
H
H
L
H
L
BA, RA
—
L
L
BA, A10
PRE, PALL
—
L
L
×
×
—
Active*5
H
L
×
×
×
×
DESL
Active
Active
Active
H
H
H
H
H
L
H
L
×
NOP
NOP
L
×
BST
ILLEGAL
L
H
BA, CA, A10
READ/READA
Starting read operation Read/READA
Write
Starting write operation recovering/
precharging
L
H
L
L
BA, CA, A10
WRIT/WRITA
L
L
L
H
L
L
L
H
H
L
H
L
BA, RA
ACT
ILLEGAL*11
Pre-charge
ILLEGAL
NOP
—
L
BA, A10
PRE, PALL
Idle
L
×
×
H
L
×
×
×
×
—
Read*6
×
H
H
×
DESL
NOP
BST
Active
Active
Active
H
H
NOP
BST
Interrupting burst read
operation to
L
H
L
H
BA, CA, A10
READ/READA
Active
start new read
L
L
H
L
L
L
BA, CA, A10
BA, RA
WRIT/WRITA
ACT
ILLEGAL*13
ILLEGAL*11
—
—
H
H
Interrupting burst
read operation to
start pre-charge
L
L
L
L
H
L
L
BA, A10
PRE, PALL
Precharging
—
×
×
ILLEGAL
Preliminary Data Sheet E0237E30 (Ver. 3.0)
16
ELPIDA [ ELPIDA MEMORY ]
