參數(shù)資料
型號(hào)： W9425G6EH-4
廠商： WINBOND ELECTRONICS CORP
元件分類(lèi)： DRAM
英文描述： 16M X 16 DDR DRAM, 0.7 ns, PDSO66
封裝： 0.400 INCH, ROHS COMPLIANT, TSOP2-66
文件頁(yè)數(shù)： 11/54頁(yè)
文件大?。?/td> 0K
代理商： W9425G6EH-4
W9425G6EH
Publication Release Date:Dec. 03, 2008
- 19 -
Revision A08
8.2 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
BA, CA, A10
READ/READA
ILLEGAL
3
L
H
L
BA, CA, A10
WRIT/WRITA
ILLEGAL
3
L
H
BA, RA
ACT
Row activating
L
H
L
BA, 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
BA, CA, A10
READ/READA
Begin read: Determine AP
4
L
H
L
BA, CA, A10
WRIT/WRITA
Begin write: Determine AP
4
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, 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
BA, CA, A10
READ/READA
Term burst, new read: Determine AP
6
L
H
L
BA, CA, A10
WRIT/WRITA
ILLEGAL
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, 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
BA, CA, A10
READ/READA
Term burst, start read: Determine AP
6, 7
L
H
L
BA, CA, A10
WRIT/WRITA
Term burst, start read: Determine AP
6
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A10
PRE/PREA
Term burst, precharging
8
L
H
X
AREF/SELF
ILLEGAL
Write
L
Op-Code
MRS/EMRS
ILLEGAL
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W9425G6EH-5 功能描述:IC DDR-400 SDRAM 256MB 66TSSOPII RoHS:是 類(lèi)別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 格式 - 存儲(chǔ)器:EEPROMs - 串行 存儲(chǔ)器類(lèi)型:EEPROM 存儲(chǔ)容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 線(xiàn)串口 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-MFP 包裝:帶卷 (TR)
W9425G6EH-5I 制造商:Winbond Electronics Corp 功能描述:
W9425G6JB-5 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 16Mx16 2.5V 60-Pin TFBGA 制造商:Winbond Electronics 功能描述:IC MEMORY 制造商:Winbond Electronics Corp 功能描述:IC MEMORY 制造商:Winbond 功能描述:16MX16,256Mb DDRI DRAM ,200MHZ, BGA
W9425G6JB-5 TR 制造商:Winbond Electronics Corp 功能描述:256M DDR SDRAM X16, 200MHZ
W9425G6JB-5I 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 16Mx16 2.5V 制造商:Winbond Electronics 功能描述:IC MEMORY 制造商:Winbond Electronics Corp 功能描述:IC MEMORY
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