- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄363908 > W981216BH (WINBOND ELECTRONICS CORP) 2M x 4 BANKS x 16 BIT SDRAM PDF資料下載
參數(shù)資料
| 型號(hào)： | W981216BH |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 2M x 4 BANKS x 16 BIT SDRAM |
| 中文描述： | 200萬(wàn)× 4銀行× 16位SDRAM |
| 文件頁(yè)數(shù)： | 9/44頁(yè) |
| 文件大小： | 2173K |
| 代理商： | W981216BH |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)當(dāng)前第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)
W981216AH
2M x 16 bit x 4 Banks SDRAM
Revision 1.0 Publication Release Date: March, 1999
- 9 -
Operation Mode
Fully synchronous operations are performed to latch the commands at the positive edges of CLK. Table 1 shows the truth
table for the operation commands.
Table 1 Truth Table ( note (1) , (2) )
command
Bank Active
Device state
CKEn-1
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
H
H
H
L
L
L
H
H
CKEn
x
x
x
x
x
x
x
x
x
x
x
H
L
H
H
L
L
L
H
H
H
x
x
DQM
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
L
H
BS0,1
v
v
x
v
v
v
v
v
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
A10
v
L
H
L
H
L
H
v
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
A11,
A9-0
v
x
x
v
v
v
v
v
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
CS
L
L
L
L
L
L
L
L
L
L
H
L
L
H
L
x
H
L
x
H
L
x
x
RA
L
L
L
H
H
H
H
L
H
H
x
L
L
x
H
x
x
H
x
x
H
x
x
CAS
H
H
H
L
L
L
L
L
H
H
x
L
L
x
H
x
x
H
x
x
H
x
x
WE
H
L
L
L
L
H
H
L
H
L
x
H
H
x
x
x
x
x
x
x
x
x
x
Idle
Bank Precharge
Any
Precharge All
Any
Write
Active (3)
Write with Autoprecharge
Active (3)
Read
Active (3)
Read with Autoprecharge
Active (3)
Mode Register Set
Idle
No - Operation
Any
Burst Stop
Active (4)
Device Deselect
Any
Auto - Refresh
Idle
Self - Refresh Entry
Idle
Self Refresh Exit
idle
(S.R.)
Clock suspend Mode Entry
Active
Power Down Mode Entry
Idle
Active (5)
Clock Suspend Mode Exit
Active
Power Down Mode Exit
Any
(power down)
Data write/Output Enable
Active
Data Write/Output Disable
Active
Notes: (1) v= valid x = Don't care L= Low Level H= High Level
(2) CKEn signal is input level when commands are provided.
(3) These are state of bank designated by BS0, BS1 signals.
(4) Device state is full page burst operation.
(5) Power Down Mode can not be entered in the burst cycle.
When this command asserts in the burst cycle, device state is clock suspend mode.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W981216AH-75 | x16 SDRAM |
| W981216AH-8H | x16 SDRAM |
| W981616BH | 512K ⅴ 2 BANKS ⅴ 16 BITS SDRAM |
| W981616AH | 512K x 2 BANKS x 16 BIT SDRAM |
| W981616AH-6 | x16 SDRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W981216BH-75 | 制造商:Winbond Electronics Corp 功能描述:SDRAM, 8M x 16, 54 Pin, Plastic, TSOP |
| W9812G2GB | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4 BANKS 】 32BITS SDRAM |
| W9812G2GB-6 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4 BANKS 】 32BITS SDRAM |
| W9812G2GB-6I | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4 BANKS 】 32BITS SDRAM |
| W9812G2GB-75 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M 】 4 BANKS 】 32BITS SDRAM |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。