MB81N643289 Datasheet, PDF (12/64 Pages) Fujitsu Component Limited. – 8 x 256K x 32 BIT DOUBLE DATA RATE FCRAMTM

MB81N643289-50/-60 Preliminary (AE1E)
s FUNCTION TRUTH TABLE (Continued)
OPERATION COMMAND TABLE (Continued)
Current
State
CS RAS CAS WE Address
Mode
HXXX
X
Register
Setting
L HHH
X
L HH L
—
Command
DESL
NOP
—
Function
NOP (Idle after lRSC)
NOP (Idle after lRSC)
Illegal
Notes
LHLX
X
RD/RDA/
WR/WRA
Illegal
L LXX
ACTV/PC/PCA/
X
REF/SELF/ Illegal
MRS/EMRS
Abbreviations: RA = Row Address BA = Bank Address
CA = Column Address AC = Auto Close
Notes:*13. All entries assume the PD was High during the proceeding clock cycle and the current clock cycle.
*14. Entry may affect other banks.
*15. Illegal to bank in specified state; entry may be legal in the bank specified by BA, depending on the state
of that bank.
*16. Illegal if any bank is not idle.
*17. Entry may legal specified by BA if applicable AC specification are satisfied.
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