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参数资料
| 型号： | WED9LAPC2C16V8BC |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | 存储器 |
| 英文描述： | SPECIALTY MEMORY CIRCUIT, PBGA192 |
| 封装： | 21 X 21 MM, BGA-192 |
| 文件页数： | 23/24页 |
| 文件大小： | 933K |
| 代理商： | WED9LAPC2C16V8BC |
8
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WED9LAPC2C16V8BC
July, 2000
Rev. 0
White Electronic Designs Corp. reserves the right to change products or specications without notice.
Current State
Command
Action
Notes
VCRAS# VCCAS# VCWE# VCBS
VCADDR
Description
Idle
L
OP Code
Mode Register Set
Set the Mode Register
1
L
H
X
Auto or Self Refresh
Start Auto
1
L
H
L
X
Precharge
No Operation
L
H
BA
Row Address
Bank Activate
Activate the specied bank and row
H
L
BA
Column
Write w/o Precharge
ILLEGAL
2
H
L
H
BA
Column
Read w/o Precharge
ILLEGAL
1
H
L
X
Burst Termination
No Operation
1
H
X
No Operation
Row Active
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
3
L
H
BA
Row Address
Bank Activate
ILLEGAL
1
H
L
BA
Column
Write
Start Write; Determine if Auto Precharge
4,5
H
L
H
BA
Column
Read
Start Read; Determine if Auto Precharge
4,5
H
L
X
Burst Termination
No Operation
H
X
No Operation
Read
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
Terminate Burst; Start the Precharge
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
H
L
BA
Column
Write
Terminate Burst; Start the Write cycle
5,6
H
L
H
BA
Column
Read
Terminate Burst; Start a new Read cycle
5,6
H
L
X
Burst Termination
Terminate the Burst
H
X
No Operation
Continue the Burst
Write
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
Terminate Burst; Start the Precharge
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
H
L
BA
Column
Write
Terminate Burst; Start a new Write cycle
5,6
H
L
H
BA
Column
Read
Terminate Burst; Start the Read cycle
5,6
H
L
X
Burst Termination
Terminate the Burst
H
X
No Operation
Continue the Burst
Read with
Auto Precharge
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
ILLEGAL
2
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
H
L
BA
Column
Write
ILLEGAL
H
L
H
BA
Column
Read
ILLEGAL
H
L
X
Burst Termination
ILLEGAL
H
X
No Operation
Continue the Burst
SDRAM CURRENT STATE TRUTH TABLE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| WED9LAPC2C16V8BI | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC3C16V8BC | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC3C16V8BI | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LC6416V | 制造商:未知厂家 制造商全称:未知厂家 功能描述:128Kx32 SSRAM/4Mx32 SDRAM |
| WED9LC6416V1310BC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:128Kx32 SSRAM/4Mx32 SDRAM |
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