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參數(shù)資料
| 型號(hào)： | W942504CH-7 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 64M X 4 DDR DRAM, 0.75 ns, PDSO66 |
| 封裝： | 0.400 X 0.875 INCH, 0.65 MM PITCH, TSOP2-66 |
| 文件頁數(shù)： | 6/45頁 |
| 文件大小： | 1261K |
| 代理商： | W942504CH-7 |
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W942504CH
- 14 -
Function Truth Table
(Note 1)
CURRENT
STATE
CS RAS
CAS WE
ADDRESS
COMMAND
ACTION
NOTES
H
X
DSL
Nop
L
H
X
NOP/BST
Nop
L
H
L
H
BS, CA, A10
READ/READA
ILLEGAL
3
L
H
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
3
L
H
BS, RA
ACT
Row activating
L
H
L
BS, A10
PRE/PREA
Nop
L
H
X
AREF/SELF
Refresh or Self refresh
2
Idle
L
Op-Code
MRS/EMRS
Mode register accessing
2
H
X
DSL
Nop
L
H
X
NOP/BST
Nop
L
H
L
H
BS, CA, A10
READ/READAA
Begin read: Determine AP
4
L
H
L
BS, CA, A10
WRIT/WRITA
Begin write: Determine AP
4
L
H
BS, RA
ACT
ILLEGAL
3
L
H
L
BS, A10
PRE/PREA
Precharge
5
L
H
X
AREF/SELF
ILLEGAL
Row Active
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
DSL
Continue burst to end
L
H
X
NOP
Continue burst to end
L
H
L
X
BST
Burst stop
L
H
L
H
BS, CA, A10
READ/READA
Term burst, new read: Determine AP
6
L
H
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
L
H
BS, RA
ACT
ILLEGAL
3
L
H
L
BS, A10
PRE/PREA
Term burst, precharging
L
H
X
AREF/SELF
ILLEGAL
Read
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
DSL
Continue burst to end
L
H
X
NOP
Continue burst to end
L
H
L
X
BST
ILLEGAL
L
H
L
H
BS, CA, A10
READ/READA
Term burst, start read: Determine AP
6, 7
L
H
L
BS, CA, A10
WRIT/WRITA
Term burst, start read: Determine AP
6
L
H
BS, RA
ACT
ILLEGAL
3
L
H
L
BS, A10
PRE/PREA
Term burst. precharging
8
L
H
X
AREF/SELF
ILLEGAL
Write
L
Op-Code
MRS/EMRS
ILLEGAL
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W9864G6IH-6 | 4M X 16 DDR DRAM, 5 ns, PDSO54 |
| WA-1RX33-A4 | SNAP ACTING/LIMIT SWITCH |
| WA-A325CBM | Peripheral Interface |
| WA-A325CPC | Peripheral Interface |
| WA-A325CPI | Peripheral Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W942508BH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DRAM |
| W942508CH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M x 4 BANKS x 8 BIT DDR SDRAM |
| W942508CH-5 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M x 4 BANKS x 8 BIT DDR SDRAM |
| W942508CH-6 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M x 4 BANKS x 8 BIT DDR SDRAM |
| W942508CH-7 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M x 4 BANKS x 8 BIT DDR SDRAM |
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