EM639165
FUNCTION TRUTH TABLE (continued)
Current State
/CS /RAS /CAS /WE Address
Command Action
MODE
REGISTER
SETTING
H
L
L
L
L
L
X
H
H
H
L
X
H
H
L
X
H
L
X
DESEL
NOP
NOP (Idle after tRSC)
X
NOP (Idle after tRSC)
ILLEGAL
BA
TBST
READ /
WRITE
X
H
L
BA, CA, A10
BA, RA
BA, A10
X
ILLEGAL
H
H
ACT
ILLEGAL
PRE /
PREA
L
ILLEGAL
L
L
L
L
L
L
H
L
REFA
MRS
ILLEGAL
ILLEGAL
Op-Code,
Mode-Add
Preliminary
Rev 1.0 Feb. 2001
11