參數資料
型號: W981204AH-8H
英文描述: x4 SDRAM
中文描述: x4內存
文件頁數: 33/42頁
文件大?。?/td> 1082K
代理商: W981204AH-8H
W981204AH
8M x 4 Banks x 4 bits SDRAM
Revision 1.0 Publication Release Date: June, 2000
- 33 -
Autoprecharge Timing ( Read Cycle )
Read
AP
0
11
10
9
8
7
6
5
4
3
2
1
Q0
Q0
Read
AP
Act
Q1
Read
AP
Act
Q1
Q2
AP
Q6
Act
Read
Act
Q0
Q3
(1) CAS Latency=2
Read
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 tRAS(min).
represents the Read with Auto precharge command.
represents the start of internal precharging.
represents the Bank Activate command.
Note )
t
RP
t
RP
t
RP
( a ) burst length = 1
Command
( b ) burst length = 2
Command
( c ) burst length = 4
Command
( d ) burst length = 8
Command
DQ
DQ
DQ
DQ
Q0
Q1
Q2
Q3
Q4
Q5
Q7
t
RP
( a ) burst length = 1
Command
( b ) burst length = 2
Command
( c ) burst length = 4
Command
( d ) burst length = 8
Command
DQ
DQ
DQ
DQ
Q0
Read
AP
Act
Q0
Read
AP
Act
Q1
Q0
Read
AP
Act
Q1
Q2
Q3
Read
AP
Act
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
(2) CAS Latency=3
t
RP
t
RP
t
RP
t
RP
相關PDF資料
PDF描述
W982504AH-7 x4 SDRAM
W982504AH-75 x4 SDRAM
W982504AH-8H x4 SDRAM
W982508AH-7 x8 SDRAM
W982508AH-75 x8 SDRAM
相關代理商/技術參數
參數描述
W981208AH 制造商:WINBOND 制造商全稱:Winbond 功能描述:4M x 8 bit x 4 Banks SDRAM
W981208AH-75 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
W981208AH-8H 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM
W981208BH 制造商:WINBOND 制造商全稱:Winbond 功能描述:4M x 4 BANKS x 8 BIT SDRAM
W981208BH-7 制造商:WINBOND 制造商全稱:Winbond 功能描述:x8 SDRAM