參數(shù)資料
型號(hào): IC42S32202L-8TG
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(yè)數(shù): 24/62頁(yè)
文件大小: 774K
代理商: IC42S32202L-8TG
IC42S3220
2/
L
24
Integrated Circuit Solution Inc.
DR0
42
-0C 0
8
/
1
7/2004
Timing Waveforms
Figure 1.AC Parameters for Write Timing (Burst Length=4,CAS#Latency=2)
-5 ,
, -7 ,
x
x
BS0,1
t
CH
t
CL
t
CK2
t
IS
t
IS
t
IH
Begin Auto Precharge
Bank A
Begin Auto Precharge
Bank B
t
IS
t
IH
t
IS
RBx
CAx
RBx
CBx
RAy
CAy
RAz
RBy
t
RCD
t
DAL
t
RC
t
IS
t
IH
t
WR
t
RP
t
RRD
Ax0 Ax1 Ax2
Ax3
Bx0
Bx1
Bx2
Bx3
Ay0
Ay1
Ay2
Ay3
Activate
Command
Bank A
Write with
Auto Precharge
Command
Bank A
Activate
Command
Bank B
Write with
Auto Precharge
Command
Bank B
Activate
Command
Bank A
Write
Command
Bank A
Precharge
Command
Bank A
Activate
Command
Bank A
Activate
Command
Bank B
CLK
CKE
CS#
RAS#
CAS#
WE#
ADDR.
DQM
DQ
Hi-Z
T0
T2
T1
T3
T4
T5
T6
T7
T9
T8
T12
T11
T10
T14
T13
T15 T16 T17 T18 T19
T21
T20
T22
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