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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: 22/40頁
文件大小: 462K
代理商: W946432AD
W946432AD
22
Figure10:READ TO WRITE – REQUIRED CAS LATENCIES
BST
NOP
READ
NOP
NOP
COMMAND
CK
CK
DQS
DQ
Bank,
Col n
READ TO WRITE - REQUIRED CAS LATENCIES
ADDRESS
CL=3
n
WRITE
Bank,
Col b
NOP
t
DQSS
DON'T CARE
DM
DO n (or b) = Data Out from column n (or column b)
Burst Length = 4
Data In elements are applied following DI b in the programmed order
Shown with nominal tAC, tDQSCK, and tDQSQ
Figure11:READ TO PRECHARGE – REQUIRED CAS LATENCIES
NOP
READ
NOP
NOP
ACT
COMMAND
CK
CK
DQS
DQ
DON'T CARE
Bank,
Col n
READ TO PRECHARGE - REQUIRED CAS LATENCIES
ADDRESS
CL=3
DO
n
Bank
(a or all)
PRE
Bank,
Row
t
RP
DO n (or b) = Data Out from column n Cases shown are either uninterrupted bursts of 4, or interrupted bursts of 8
Shown with nominal tAC, tDQSCK, and tDQSQ
相關PDF資料
PDF描述
W963A6BBN 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
W963A6BBN70 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
W963A6BBN70E 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
W963A6BBN70I 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
W963A6BBN80 512K WORD X 16 BIT LOW POWER PSEUDO SRAM
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