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參數(shù)資料
型號(hào): W986408CH-75
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: x8 SDRAM
中文描述: 8M X 8 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝: 0.400 INCH, 0.80 MM PITCH, TSOP2-54
文件頁數(shù): 36/44頁
文件大小: 2208K
代理商: W986408CH-75
W986408CH
2M x 8 bit x 4 Banks SDRAM
Revision 1.0 Publication Release Date: March, 1999
- 36 -
Autoprecharge timing ( Write Cycle )
Write
Act
AP
0
11
10
9
8
7
6
5
4
3
2
1
D0
D0
D0
D0
AP
Act
D1
AP
Act
D1
D1
D2
D2
D3
D3
D4
D5
D6
D7
AP
Act
Write
Write
Write
(3) CAS Latency=4
Write
Act
AP
When the Auto precharge command is asserted, the period from Bank Activate
command to the start of internal precgarging must be at least t
RAS
(min).
represents the Read with Auto precharge command.
represents the start of internal precharging.
represents the Bank Activate command.
Note )
t
RP
t
WR
t
RP
t
WR
t
RP
t
WR
t
RP
t
WR
DQ
DQ
DQ
DQ
( a ) burst length = 1
( b ) burst length = 2
( c ) burst length = 4
( d ) burst length = 8
Command
Command
Command
Command
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W986408CH-8H 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
W986416CH 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M x 16 BIT x 4 BANKS SDRAM
W986416CH-6 制造商:WINBOND 制造商全稱:Winbond 功能描述:x16 SDRAM
W986416CH-7 制造商:Winbond Electronics Corp 功能描述:SDRAM, 4M x 16, 54 Pin, Plastic, TSOP
W986416CH-75 制造商:WINBOND 制造商全稱:Winbond 功能描述:x16 SDRAM