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參數(shù)資料

MOSEL VITELIC

V58C2128(804/404/164)SAT

V58C2128(804/404/164)SAT Rev. 1.1 February 2001

NOTE: (continued)

Read with Auto Precharge Enabled: See following text

Write with Auto Precharge Enabled: See following text

3a. The Read with Auto Precharge Enabled or Write with Auto Precharge Enabled states can each be broken

into two parts: the access period and the precharge period. For Read with Auto Precharge, the precharge

period is defined as if the same burst was executed with Auto Precharge disabled and then followed with the

earliest possible PRECHARGE command that still accesses all of the data in the burst. For Write with Auto

Precharge, the precharge period begins when tWR ends, with tWR measured as if Auto Precharge was

disabled. The access period starts with registration of the command and ends where the precharge period

(or tRP) begins.

During the precharge period of the Read with Auto Precharge Enabled or Write with Auto Precharge Enabled

states, ACTIVE, PRECHARGE, READ and WRITE commands to the other bank may be applied; during the

access period, only ACTIVE and PRECHARGE commands to the other bank may be applied. In either case, all

other related limitations apply (e.g. contention between READ data and WRITE data must be avoided).

4. AUTO REFRESH and MODE REGISTER SET commands may only be issued when all banks are idle.

5. A BURST TERMINATE command cannot be issued to another bank; it applies to the bank represented by the

current state only.

6. All states and sequences not shown are illegal or reserved.

7. READs or WRITEs listed in the Command/Action column include READs or WRITEs with AUTO PRECHARGE

enabled and READs or WRITEs with AUTO PRECHARGE disabled.

8. Requires appropriate DM masking.

9. A WRITE command may be applied after the completion of data output.

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
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