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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: 25/40頁
文件大小: 462K
代理商: W946432AD
W946432AD
PRELIMINARY DATE: 9/8/00
25
.
Figure14:WRITE TO WRITE DQSS, NON – CONSECUTIVE
WRITE
NOP
WRITE
NOP
NOP
Bank,
Col b
Bank,
Col n
DI
b
DI
n
DQ
DM
DQS
ADDRESS
COMMAND
CK
CK
DON'T CARE
WRITE TO WRITE DQSS, NON - CONSECUTIVE
T1
T2
T3
T4
T0
T5
T6
T7
T8
T9
t
DQSS
DI b, etc. = Data In for column b, etc.
A non-interrupted burst of 4 is shown
Each Write command may be to any bank, and may be to the same or different devices
Depending on external components
Figure15:RANDOM WRITE CYCLES – DQSS
RANDOM WRITE CYCLES - DQSS
T2
T3
T4
T0
T1
T5
T6
T7
T8
T9
WRITE
WRITE
WRITE
WRITE
WRITE
Bank,
Col b
Bank,
Col x
Bank,
Col n
Bank,
Col a
Bank,
Col g
t
DQSS
DI
b
DI
a
DON'T CARE
DI
b'
DI
x
DI
x'
DI
n
DI
n'
DI
a'
DQ
DM
DQS
ADDRESS
COMMAND
CK
CK
DI b, etc. = Data In for column b, etc.
b', etc. = the next Data In following DI b, etc. according to the programmed burst order
Programmed Burst Length = 2, 4 or 8 in cases shown
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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