MH8S72BAFD-7 查看數據表（PDF） - MITSUBISHI ELECTRIC

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MH8S72BAFD-7

603,979,776-BIT ( 8,388,608-WORD BY 72-BIT ) Synchronous DYNAMIC RAM

MITSUBISHI ELECTRIC  

MH8S72BAFD -7, -8 MITSUBISHI LSIs

P rSepl iemci.n a r y 603,979,776-BIT ( 8,388,608-WORD BY 72-BIT ) Synchronous DYNAMIC RAM

FUNCTION TRUTH TABLE(continued)

Current State

WRITE

READ with

AUTO

PRECHARGE

WRITE with

AUTO

PRECHARGE

/S /RAS /CAS /WE Address

Command

Action

H

X

X

XX

DESEL NOP(Continue Burst to END)

L

H H HX

NOP

NOP(Continue Burst to END)

L

H H L BA

TBST

Terminate Burst

Terminate Burst,Latch CA,

L

HL

H BA,CA,A10 READ/READA Begin Read,Determine Auto-

Precharge*3

Terminate Burst,Latch CA,

WRITE/

L

HL

L BA,CA,A10

Begin Write,Determine Auto-

WRITEA

Precharge*3

L

L

H H BA,RA

ACT

Bank Active/ILLEGAL*2

L

L

H L BA,A10

PRE/PREA Terminate Burst,Precharge

L

L

L

HX

Op-Code,

L

L

L

L

Mode-Add

REFA

MRS

ILLEGAL

ILLEGAL

H

X

X

XX

DESEL NOP(Continue Burst to END)

L

H H HX

NOP

NOP(Continue Burst to END)

L

H H L BA

TBST

ILLEGAL

L

HL

H BA,CA,A10 READ/READA ILLEGAL

WRITE/

L

HL

L BA,CA,A10

ILLEGAL

WRITEA

L

L

H H BA,RA

ACT

Bank Active/ILLEGAL*2

L

L

H L BA,A10

PRE/PREA ILLEGAL*2

L

L

L

HX

REFA

ILLEGAL

Op-Code,

L

L

L

L

Mode-Add

MRS

ILLEGAL

H

X

X

XX

DESEL NOP(Continue Burst to END)

L

H H HX

NOP

NOP(Continue Burst to END)

L

H H L BA

TBST

ILLEGAL

L

HL

H BA,CA,A10 READ/READA ILLEGAL

WRITE/

L

HL

L BA,CA,A10

ILLEGAL

WRITEA

L

L

H H BA,RA

ACT

Bank Active/ILLEGAL*2

L

L

H L BA,A10

PRE/PREA ILLEGAL*2

L

L

L

HX

REFA

ILLEGAL

Op-Code,

L

L

L

L

Mode-Add

MRS

ILLEGAL

MIT-DS-0273-0.2

MITSUBISHI

ELECTRIC

1/ Dec./1998 10

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