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A43L8316V-8

128K X 16 Bit X 2 Banks Synchronous DRAM

AMIC Technology 

A43L8316

Function Truth Table (Table 1, Continued)

Current

State

CS RAS CAS WE BA

HX XXX

L H HHX

Write with L

H

H

L

X

Auto

L H L H BA

Precharge L

H

L

L BA

L L H X BA

L

L

L

X

X

HX XXX

L H HHX

LHHLX

Precharge L

H

L

X BA

L L H H BA

L L H L BA

L

L

L

X

X

HX XXX

L H HHX

Row

LHHLX

Activating L H L X BA

L L H H BA

L L H L BA

L

L

L

X

X

HX XXX

LHHXX

Refreshing L

H

L

X

X

L L HXX

L

L

L

X

X

Address

Action

X

X

X

CA,A8/AP

CA,A8/AP

RA, PA

X

X

X

X

CA,A8/AP

RA

PA

X

X

X

X

CA,A8/AP

RA

PA

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

Note

2

2

2

2

2

2

4

2

2

2

2

Abbreviations

RA = Row Address

NOP = No Operation Command

BA = Bank Address

CA = Column Address

AP = Auto Precharge

PA = Precharge All

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.

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