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| 型號： | HYE18P32161AC-70 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 32M Asynchronous/Page CellularRAM |
| 中文描述： | 32M的異步/頁的CellularRAM |
| 文件頁數(shù)： | 30/33頁 |
| 文件大?。?/td> | 641K |
| 代理商： | HYE18P32161AC-70 |
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HYE18P32161AC(-/L)70/85
32M Asynch/Page CellularRAM
Appendix A: Low-Frequency Mode
Data Sheet
30
V2.0, 2003-12-16
5
Appendix A: Low-Frequency Mode
5.1
Asynchronous Access
Depending on the random access frequency two cases are distinguished:
High Frequency Mode (
≥
100 kHz):
There are no
t
RC
max. time nor CS1/OE max. low time restrictions during subsequent random read or write
accesses.
Low Frequency Mode (< 100 kHz):
There are no
t
RC
max. time nor CS1/OE max. low time restrictions if all control signals (CS1, OE, WE, UB/LB)
follow the modified timing as shown below, see attached timing diagram and timing table. There is no extra mode
register setting necessary.
Figure 19
Low Frequency Mode
Parameter
Symbol
70
85
Unit
Notes
Min.
70
70
Max.
–
–
Min.
85
85
Max.
–
–
Address stable time for read access
Address stable overlap with write
pulse
Write pulse width
Data to write time overlap
t
ARV
t
AWV
ns
ns
–
–
t
WPV
t
DWV
70
70
–
–
85
85
–
–
ns
ns
–
–
A20-A0
ADDRESS
CS1
t
AA
WE
Data Valid
Data Valid
t
ARV
t
AWV
t
WPV
t
DWV
DQ<15:0>
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| HYE18P32161AC-85 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Asynchronous/Page CellularRAM |
| HYE18P32161ACL70 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Asynchronous/Page CellularRAM |
| HYE18P32161ACL85 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Asynchronous/Page CellularRAM |
| HYE25L128160AC-7.5 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:BJAWBMSpecialty DRAMs Mobile-RAM |
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