A43L2632 View Datasheet(PDF) - AMIC Technology
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A43L2632 Datasheet PDF : 43 Pages
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A43L2632
Function Truth Table (Table 1, Continued)
Current
State
CS RAS CAS WE BS
H
X
XX X
L
Write with L
Auto
L
Precharge L
H HH X
H HL X
H L H BS
H L L BS
L
L
H X BS
L
L
LX X
H
X
XX X
L
H HH X
L
Precharge L
H HL X
H L X BS
L
L
H H BS
L
L
H L BS
L
L
LX X
H
X
XX X
L
H HH X
Row
L
Activating L
H HL X
H L X BS
L
L
H H BS
L
L
H L BS
L
L
LX X
H
X
XX X
L
Refreshing L
H HX X
H LX X
L
L
HX X
L
L
LX X
H
X
XX X
Mode
L
Register L
Accessing
L
H HH H
H HL X
H LX X
L
L
XX X
Abbreviations
RA = Row Address
NOP = No Operation Command
Address
Action
X
X
X
CA,A10/AP
CA,A10/AP
RA, PA
X
X
X
X
CA,A10/AP
RA
A10/AP
X
X
X
X
CA,A10/AP
RA
A10/AP
X
X
X
X
X
X
X
X
X
X
X
NOP(Continue Burst to End→Precharge)
NOP(Continue Burst to End→Precharge)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP→Idle after tRP
NOP→Idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
NOP→Idle after tRP
ILLEGAL
NOP→Row Active after tRCD
NOP→Row Active after tRCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP→Idle after tRC
NOP→Idle after tRC
ILLEGAL
ILLEGAL
ILLEGAL
NOP→Idle after 2 clocks
NOP→Idle after 2 clocks
ILLEGAL
ILLEGAL
ILLEGAL
BS = Bank Address
CA = Column Address
AP = Auto Precharge
PA = Precharge All
Note
2
2
2
2
2
2
4
2
2
2
2
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 BS (and PA).
5. Illegal if any banks is not idle.
PRELIMINARY (January, 2005, Version 0.0)
39
AMIC Technology, Corp.
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