參數(shù)資料
型號: WED9LC6416V1510BI
廠商: MICROSEMI CORP-PMG MICROELECTRONICS
元件分類: 存儲器
英文描述: SPECIALTY MEMORY CIRCUIT, PBGA153
封裝: MO-163, BGA-153
文件頁數(shù): 14/27頁
文件大?。?/td> 334K
代理商: WED9LC6416V1510BI
21
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
White Electronic Designs
WED9LC6416V
FIG. 12 SDRAM READ &WRITE CYCLE WITH AUTO PRECHARGE
@BURST LENGTH = 4
NOTES:
1. tCDL should be controlled to meet minimum tRAS before internal precharge start. (In the case of Burst Length =1 &2 and BRSW mode)
0
1
2
3
4
5
6
7
SDCLK
CL=2
Qa1
Qa0
Qa2
Qa3
Db2
Db0
Db1
Db3
Note 1
QAa0
QAa3
QAa1 QAa2
DBb2
DBb0 DBb1
DBb3
tCDL
CL=3
DQ
Row Active
(A-Bank)
Row Active
(B-Bank)
Read with
Auto Precharge
(A-Bank)
Auto Precharge
Start Point
(A-Bank)
Write with
Auto Precharge
(B-Bank)
Auto Precharge
Start Point
(B-Bank)
DON T CARE
SDCE
SDRAS
SDCAS
ADDR
RAa
Rb
Ca
Cb
BA0,1
[A11,A12]
SDWE
SDA10
Ra
Rb
BWE
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