GM72V66841CT/CLT Просмотр технического описания (PDF) - LG

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GM72V66841CT/CLT

2,097,152 WORD x 8 BIT x 4 BANK SYNCHRONOUS DYNAMIC RAM

LG 

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GM72V66841CT/CLT

Function Truth Table (Continued)

Current

state

Precharge

CS RAS CAS WE Address

Command

Operation

L L L HX

REF, SELF

ILLEGAL

L L L L MODE

MRS

ILLEGAL

Idle

H X X XX

DESL

NOP

L H H HX

NOP

NOP

L H H LX

BST

NOP

L H L H BA, CA, A10 READ/READ A ILLEGAL

L H L L BA, CA, A10 WRIT/WRIT A ILLEGAL

L L H H BA, RA

ACTV

Bank and row active

L L H L BA, A10 PRE, PALL NOP

L L L HX

REF, SELF

Refresh

L L L L MODE

MRS

Mode register set

Row active H X X X X

DESL

NOP

L H H HX

NOP

NOP

L H H LX

BST

NOP

L H L H BA, CA, A10 READ/READ A Begin read

L H L L BA, CA, A10 WRIT/WRIT A Begin write

L L H H BA, RA

ACTV

Other bank active

*3

ILLEGAL on same bank

L L H L BA, A10 PRE, PALL Precharge

L L L HX

REF, SELF

ILLEGAL

L L L L MODE

MRS

ILLEGAL

9

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