參數(shù)資料
型號: HYE18P32161ACL85
廠商: INFINEON TECHNOLOGIES AG
元件分類: 圓形連接器
英文描述: Circular Connector; MIL SPEC:MIL-DTL-38999 Series II; Body Material:Metal; Series:JT; No. of Contacts:11; Connector Shell Size:18; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight RoHS Compliant: No
中文描述: 32M的異步/頁的CellularRAM
文件頁數(shù): 19/33頁
文件大?。?/td> 641K
代理商: HYE18P32161ACL85
Data Sheet
19
V2.0, 2003-12-16
HYE18P32161AC(-/L)70/85
32M Asynch/Page CellularRAM
Functional Description
2.3.5
In asynchronous operation mode, the user has the option to enable page mode to toggle A0 - A3 in random way
at higher cycle rate (20 ns vs. 70 ns) to lower access times of subsequent reads within 16-word boundary. Write
operation is not supported in the manner of page mode access. In synchronous mode, this option has no effect.
The max. page length is 16 words, so which A0 - A3 is regarded as page-mode address. If the access needs to
cross the boundary of 16-word (any difference in A20 - A4), then it should start over new random access cycle,
which is the same as asynchronous read operation.
Please note that as soon as page mode is enabled the CS1 low time restriction applies. This means that the CS1
signal must not kept low longer than
t
CSL
= 10
μ
s. Please refer to
Figure 11
.
Page Mode Enable/Disable
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