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A43L8316 датащи(PDF) 39 Page - AMIC Technology

номер детали A43L8316
подробное описание детали  128K X 16 Bit X 2 Banks Synchronous DRAM
PDF  45 Pages
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производитель  AMICC [AMIC Technology]
домашняя страница  http://www.amictechnology.com
Logo AMICC - AMIC Technology

A43L8316 датащи(HTML) 39 Page - AMIC Technology

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A43L8316
Preliminary (April, 2000, Version 1.0)
38
AMIC Technology, Inc.
Self Refresh Entry & Exit Cycle
* Note : TO ENTER SELF REFRESH MODE
1.
CS, RAS &
CAS with CKE should be low at the same clock cycle.
2. After 1 clock cycle, all the inputs including the system clock can be don’t care except for CKE.
3. The device remains in self refresh mode as long as CKE stays “Low”.
(cf.) Once the device enters self refresh mode, minimum tRAS is required before exit from self refresh.
TO EXIT SELF REFRESH MODE
4. System clock restart and be stable before returning CKE high.
5.
CS starts from high.
6. Minimum tRC is required after CKE going high to complete self refresh exit.
7. 1K cycle of burst auto refresh is required before self refresh entry and after self refresh exit.
If the system uses burst refresh.
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CLOCK
CKE
CS
RAS
CAS
ADDR
BA
: Don't care
A8/AP
WE
Self Refresh Exit
Auto Refresh
DQM
DQ
Self Refresh Entry
tSS
* Note 4
* Note 1
* Note 3
* Note 2
tSS
* Note 6
tRC min.
* Note 5
* Note 7
* Note 7
Hi-Z
Hi-Z



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