PD4564441 ， 4564841 ， 4564163

13.电气规格................................................................................................................ 34

13.1

13.2

13.3

13.4

13.5

13.6

13.7

13.8

13.9

AC参数读时序........................................................................................................ 39

AC参数的写时序........................................................................................................ 41

频率和延迟之间的关系............................................. .................................... 42

模式寄存器设置............................................................................................................................... 43

上电顺序和CBR （自动）刷新......................................... .......................................... 44

/ CS功能........................................................................................................................................ 45

时钟悬挂在突发读（使用CKE功能） ........................................ ................. 46

时钟暂停突发写在（使用CKE功能） ........................................ ................. 48

掉电模式和时钟面膜............................................ .................................................. .... 50

13.10 CBR （自动）刷新............................................................................................................................. 51

13.11自刷新（出入境） .............................................................................................................. 52

13.12随机读取的列（页与同一家银行） ........................................ ....................................... 53

13.13列随机写入（页带同一家银行） ........................................ ....................................... 55

13.14排随机读取（乒乓银行） ........................................ .................................................. .. 57

13.15排随机写入（乒乓银行） ........................................ .................................................. .. 59

13.16读取和写入.................................................................................................................................... 61

13.17交错列读周期......................................................................................................... 63

13.18交错列写周期......................................................................................................... 65

13.19自动预充电后读突发....................................................................................................... 67

写猝发13.20后自动预充电....................................................................................................... 69

13.21全页读周期.......................................................................................................................... 71

13.22全页写周期.......................................................................................................................... 73

13.23字节写操作........................................................................................................................... 75

13.24突发读取和单写（选件） ......................................... .................................................. .... 76

13.25全页随机读取的列....................................................................................................... 77

13.26全页随机写专栏....................................................................................................... 78

13.27 PRE （预充电）终止突发的.......................................... .................................................. .. 79

14.包装图............................................................................................................................ 81

15.推荐焊接条件............................................. ............................................. 82

16.修订历史记录............................................................................................................................. 83

数据表E0149N10

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