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參數資料
型號: W946432AD
廠商: WINBOND ELECTRONICS CORP
英文描述: 512K X 4 BANKS X 32 BITS DDR SDRAM
中文描述: 為512k × 4銀行× 32位DDR內存
文件頁數: 31/40頁
文件大小: 462K
代理商: W946432AD
W946432AD
31
Figure24:AUTO REFRESH MODE
AUTO REFRESH MODE
NOP
NOP
NOP
NOP
NOP
NOP
ACT
AR
AR
PRE
RA
RA
BA
ALL BANKS
ONE BANK
*Bank(s)
RA
t
CK
t
CH
t
CL
t
IS
t
IH
t
IS
t
IH
t
IS
t
IH
t
RP
t
RC
t
RC
DON'T CARE
CK
CK
CKE
COMMAND
A0-A7
A9,A10
A8
BA0,BA1
DQS
DQ
DM
* = "Don't Care", if A8 is HIGH at this point; A8 must be HIGH if more than one bank is active (i.e. must precharge all active banks)
PRE = PRECHARGE, ACT = ACTIVE, RA ROW Address, BA = BANK Address, AR = AUTOREFRESH
NOP commands are shown for ease of illustration; other valid commands may be possible at these time
DM, DQ and DQS signals are all "Do'nt Care"/High-z for operations shown
相關PDF資料
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W963A6BBN 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
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W963A6BBN70I 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
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參數描述
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