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HY5DU12422BTP Datasheet(PDF) 11 Page - Hynix Semiconductor |
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HY5DU12422BTP Datasheet(HTML) 11 Page - Hynix Semiconductor |
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11 / 37 page  Rev. 0.1 / May 2004 11 HY5DU12422B(L)TP HY5DU12822B(L)TP HY5DU121622B(L)TP OPERATION COMMAND TRUTH TABLE-I Current State /CS /RAS /CAS /WE Address Command Action IDLE HXX X X DSEL NOP or power down3 LH H H X NOP NOP or power down3 LH H L X BST ILLEGAL4 L H L H BA, CA, AP READ/READAP ILLEGAL4 L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL4 L L H H BA, RA ACT Row Activation LL H L BA, AP PRE/PALL NOP LL L H X AREF/SREF Auto Refresh or Self Refresh5 L L L L OPCODE MRS Mode Register Set ROW ACTIVE HXX X X DSEL NOP LH H H X NOP NOP LH H L X BST ILLEGAL4 L H L H BA, CA, AP READ/READAP Begin read : optional AP6 L H L L BA, CA, AP WRITE/WRITEAP Begin write : optional AP6 LL H H BA, RA ACT ILLEGAL4 LL H L BA, AP PRE/PALL Precharge7 LL L H X AREF/SREF ILLEGAL11 LL L L OPCODE MRS ILLEGAL11 READ H X X X X DSEL Continue burst to end L H H H X NOP Continue burst to end L H H L X BST Terminate burst L H L H BA, CA, AP READ/READAP Term burst, new read:optional AP8 L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL LL H H BA, RA ACT ILLEGAL4 L L H L BA, AP PRE/PALL Term burst, precharge LL L H X AREF/SREF ILLEGAL11 LL L L OPCODE MRS ILLEGAL11 WRITE H X X X X DSEL Continue burst to end L H H H X NOP Continue burst to end LH H L X BST ILLEGAL4 L H L H BA, CA, AP READ/READAP Term burst, new read:optional AP8 L H L L BA, CA, AP WRITE/WRITEAP Term burst, new write:optional AP |
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