MB81N643289 Datasheet, PDF (13/64 Pages) Fujitsu Component Limited. – 8 x 256K x 32 BIT DOUBLE DATA RATE FCRAMTM

MB81N643289-50/-60 Preliminary (AE1E)
s FUNCTION TRUTH TABLE (Continued)
COMMAND TRUTH TABLE FOR PD
Current
State
PD
(n-1) (n)
CS RAS CAS WE Address
Function
Notes
Self-
refresh
H
X
X
X
X
X
L
H
H
X
X
X
X
Invalid
X
Exit Self-refresh (Idle after lLOCK)
L
H
L
H
H
H
X
Exit Self-refresh (Idle after lLOCK)
L
H
L
H
H
L
X
Illegal
L
H
L
H
L
X
X
Illegal
L
H
L
L
X
X
X
Illegal
L
L
X
X
X
X
X
NOP (Maintain Self-refresh)
Self-
refresh
Recovery
L
X
X
X
X
X
H
H
H
X
X
X
X
Invalid
X
Idle after lLOCK
H
H
L
H
H
H
X
Idle after lLOCK
H
H
L
H
H
L
X
Illegal
H
H
L
H
L
X
X
Illegal
HH
L
L
X
X
X
Illegal
H
L
X
X
X
X
X
Illegal
Power
Down
H
X
X
X
X
X
L
H
H
X
X
X
X
Invalid
X
Exit Power Down (Idle after tPDE)
L
H
L
H
H
H
X
Exit Power Down (Idle after tPDE)
L
H
L
H
H
L
X
Illegal
L
H
L
H
L
X
X
Illegal
L
H
L
L
X
X
X
Illegal
L
L
X
X
X
X
X
NOP (Maintain Power Down Mode)
13