參數(shù)資料
型號(hào): IC42S32202-6TI
英文描述: 512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
中文描述: 為512k × 32位× 4個(gè)銀行(64兆位)內(nèi)存
文件頁數(shù): 27/62頁
文件大?。?/td> 774K
代理商: IC42S32202-6TI
IC42S3220
2/
L
Integrated Circuit Solution Inc.
DR0
42
-0C 0
8
/
1
7/2004
27
Figure 4.Power on Sequene and Auto Refresh (CBR)
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
CKE
CS
RAS
CAS
WE
A10
ADD
DQM
DQ
High level
is required
Minimum of 2 Refresh Cycles are required
t
MRS
t
RP
High Level is Necessary
t
RC
Address Key
Inputs
must
for 200us
Precharge
All Banks
1st Auto
Refresh
2nd Auto
Refresh
Command
Mode
Set Command
Command
Register
Hi-Z
BS0, 1
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