MB81P643287 Datasheet, PDF (13/65 Pages) Fujitsu Component Limited. – 8 x 256K x 32 BIT, FCRAMTM CORE BASED DOUBLE DATA RATE SDRAM

MB81P643287-50/-60
OPERATION COMMAND TABLE (Continued)
Current
State
CS RAS CAS WE Address
Command
Function
Notes
HXXX
X
DESL
NOP (Idle after lMRD)
L HHH
X
NOP
NOP (Idle after lMRD)
Mode
Register
Setting
L HH L
LHLX
X
BST
Illegal
X
READ/READA/
WRIT/WRITA
Illegal
Abbreviations:
L LXX
RA = Row Address
CA = Column Address
ACTV/PRE/
X
PALL/REF/
SELF/MRS
BA = Bank Address
AP = Auto Precharge
Illegal
Notes: *14. All entries assume the CKE was High during the proceeding clock cycle and the current clock cycle.
*15. Entry may affect other banks.
*16. Illegal to bank in specified state; entry may be legal in the bank specified by BA, depending on the state
of that bank.
*17. Illegal if any bank is not idle.
*18. Must mask preceding data that don‘t satisfy lDPL.
*19. Legal if other bank specified in BA is idle state and lRRD is satisfied for that bank.
*20. Must mask preceding data that don‘t satisfy lWRD.
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