參數(shù)資料
型號(hào): K4S641632C
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Advanced LinCMOS(TM) Low-Noise Precision Operational Amplifier 8-SOIC
中文描述: 100萬× 16 × 4銀行同步DRAM
文件頁數(shù): 40/42頁
文件大?。?/td> 1169K
代理商: K4S641632C
CMOS SDRAM
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
ELECTRONICS
K4S641632C
Self Refresh Entry & Exit Cycle
Self Refresh Entry
: Don't care
*Note :
TO ENTER SELF REFRESH MODE
1. CS, RAS & CAS with CKE should be low at the same clcok 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 t
RAS
is required before exit from self refresh.
TO EXIT SELF REFRESH MODE
4. System colck restart and be stable before returning CKE high.
5. CS starts from high.
6. Minimum t
RC
is required after CKE going high to complete self refresh exit.
7. 4K cycle of burst auto refresh is required before self refresh entry and after self refresh exit if the system uses burst refresh.
*Note 1
*Note 7
Hi-Z
Hi-Z
Self Refresh Exit
Auto Refresh
tSS
*Note 2
*Note 3
*Note 4
tRCmin
*Note 6
*Note 5
BA
0
~BA
1
DQ
ADDR
CAS
RAS
CS
CKE
CLOCK
WE
DQM
A
10
/AP
相關(guān)PDF資料
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K4S641632D Advanced LinCMOS(TM) Low-Noise Precision Operational Amplifier 8-SOIC
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