MB81F641642D Fujitsu Microelectronics, MB81F641642D Datasheet - Page 9

• Manufacturer Part Number: MB81F641642D
• Description: 4 x 1M x 16-Bit SDRAM
• Manufacturer: Fujitsu Microelectronics

Read with
Auto-
precharge
Write with
Auto-
precharge
Current
State
CS
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RAS CAS WE
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
MB81F641642D-75/-102/-102L
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
BA, CA, AP
BA, CA, AP
BA, CA, AP
BA, CA, AP
BA, RA
BA, AP
BA, RA
BA, AP
MODE
MODE
Addr
X
X
X
X
X
X
X
X
READ/READA Illegal
READ/READA Illegal
WRIT/WRITA
WRIT/WRITA
Command
PRE/PALL
REF/SELF
PRE/PALL
REF/SELF
DESL
ACTV
DESL
ACTV
NOP
MRS
NOP
MRS
BST
BST
NOP (Continue Burst to End
Precharge
NOP (Continue Burst to End
Precharge
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
NOP (Continue Burst to End
Precharge
NOP (Continue Burst to End
Precharge
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
Function
Idle)
Idle)
Idle)
Idle)
Preliminary (AE4.1E)
(Continued)
Notes
*2
*2
*2
*2
*2
*2
*2
*2
9