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HY5DU12822A 数据表(PDF) 14 Page - Hynix Semiconductor |
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HY5DU12822A 数据表(HTML) 14 Page - Hynix Semiconductor |
14 / 33 page Rev. 0.0/Feb. 2003 14 HY5DU12422A(L)T HY5DU12822A(L)T HY5DU121622A(L)T OPERATION COMMAND TRUTH TABLE-IV Note : 1. H - Logic High Level, L - Logic Low Level, X - Don’t Care, V - Valid Data Input, BA - Bank Address, AP - AutoPrecharge Address, CA - Column Address, RA - Row Address, NOP - NO Operation. 2. All entries assume that CKE was active(high level) during the preceding clock cycle. 3. If both banks are idle and CKE is inactive(low level), then in power down mode. 4. Illegal to bank in specified state. Function may be legal in the bank indicated by Bank Address(BA) depending on the state of that bank. 5. If both banks are idle and CKE is inactive(low level), then self refresh mode. 6. Illegal if tRCD is not met. 7. Illegal if tRAS is not met. 8. Must satisfy bus contention, bus turn around, and/or write recovery requirements. 9. Illegal if tRRD is not met. 10. Illegal for single bank, but legal for other banks in multi-bank devices. 11. Illegal for all banks. Current State /CS /RAS /CAS /WE Address Command Action WRITE L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL11 LL H H BA, RA ACT ILLEGAL11 LL H L BA, AP PRE/PALL ILLEGAL11 LL L H X AREF/SREF ILLEGAL11 LL L L OPCODE MRS ILLEGAL11 MODE REGISTER ACCESSING H X X X X DSEL NOP - Enter IDLE after tMRD L H H H X NOP NOP - Enter IDLE after tMRD LH H L X BST ILLEGAL11 L H L H BA, CA, AP READ/READAP ILLEGAL11 L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL11 LL H H BA, RA ACT ILLEGAL11 LL H L BA, AP PRE/PALL ILLEGAL11 LL L H X AREF/SREF ILLEGAL11 LL L L OPCODE MRS ILLEGAL11 |
类似零件编号 - HY5DU12822A |
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类似说明 - HY5DU12822A |
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