EM639165
FUNCTION TRUTH TABLE (continued)
Current State
PRE -
CHARGING
/CS
H
L
L
L
L
L
L
L
ROW
ACTIVATING
H
L
L
L
L
L
L
L
/RAS /CAS /WE
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
L
H
H
L
L
X
H
H
L
H
H
L
L
X
H
L
X
H
L
H
L
X
H
L
X
H
L
H
L
Address
X
X
BA
BA, CA, A10
BA, RA
BA, A10
X
Op-Code,
Mode-Add
X
X
BA
BA, CA, A10
BA, RA
BA, A10
X
Op-Code,
Mode-Add
Command
DESEL
NOP
TBST
READ /
WRITE
ACT
PRE /
PREA
REFA
MRS
DESEL
NOP
TBST
READ /
WRITE
ACT
PRE /
PREA
REFA
MRS
Action
NOP (Idle after tRP)
NOP (Idle after tRP)
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
NOP*4 (Idle after tRP)
ILLEGAL
ILLEGAL
NOP (Row Active after tRCD)
NOP (Row Active after tRCD)
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
ILLEGAL*2
ILLEGAL
ILLEGAL
Preliminary
9
Rev 1.0
Feb. 2001
ETRON [ ETRON TECHNOLOGY, INC. ]
