A43L8316
Function Truth Table (Table 1, Continued)
Current
CS RAS
BA
Address
Action
Note
CAS
WE
State
H
L
L
L
L
L
L
H
L
L
L
L
L
L
H
L
L
L
L
L
L
H
L
L
L
L
X
H
H
H
H
L
X
H
H
L
X
H
L
X
X
X
X
X
NOP(Continue Burst to End® Precharge)
NOP(Continue Burst to End® Precharge)
ILLEGAL
Write with
Auto
X
H
L
BA
BA
BA
X
CA,A8/AP ILLEGAL
CA,A8/AP ILLEGAL
2
2
Precharge
L
H
L
X
X
X
H
L
RA, PA
ILLEGAL
L
X
X
X
X
ILLEGAL
2
X
H
H
H
L
X
H
H
L
X
NOP® Idle after tRP
NOP® Idle after tRP
ILLEGAL
X
X
Precharge
X
H
L
BA
BA
BA
X
CA,A8/AP ILLEGAL
2
2
2
4
H
H
L
RA
PA
X
ILLEGAL
L
NOP® Idle after tRP
ILLEGAL
L
X
X
H
L
X
H
H
H
L
X
H
H
L
X
X
NOP® Row Active after tRCD
NOP® Row Active after tRCD
ILLEGAL
X
X
X
X
Row
Activating
X
H
L
BA
BA
BA
X
CA,A8/AP ILLEGAL
2
2
2
2
H
H
L
RA
PA
X
ILLEGAL
L
ILLEGAL
L
X
X
X
X
X
X
ILLEGAL
X
H
H
L
X
H
L
X
X
NOP® Idle after tRC
NOP® Idle after tRC
ILLEGAL
X
X
Refreshing
X
X
H
L
X
X
ILLEGAL
L
X
X
ILLEGAL
Abbreviations
RA = Row Address
NOP = No Operation Command
BA = Bank Address
AP = Auto Precharge
PA = Precharge All
CA = Column Address
Note: 1. All entries assume that CKE was active (High) during the preceding clock cycle and the current clock cycle.
2. Illegal to bank in specified state : Function may be legal in the bank indicated by BA, depending on the state of
that bank.
3. Must satisfy bus contention, bus turn around, and/or write recovery requirements.
4. NOP to bank precharging or in idle state. May precharge bank indicated by BA (and PA).
5. Illegal if any banks is not idle.
Preliminary (April, 2000, Version 1.0)
41
AMIC Technology, Inc.
AMICC [ AMIC TECHNOLOGY ]
