參數(shù)資料
型號: DSP56364P
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
元件分類: 數(shù)字信號處理
英文描述: 24-Bit Audio Digital Signal Processor
中文描述: 24位音頻數(shù)字信號處理器
文件頁數(shù): 44/148頁
文件大?。?/td> 1204K
代理商: DSP56364P
External Memory Expansion Port (Port A)
DSP56364 Technical Data, Rev. 4
3-28
Freescale Semiconductor
165
RAS assertion to CAS deassertion
t
CSH
2.75
×
T
C
4.0
133.5
87.7
ns
166
CAS assertion pulse width
t
CAS
1.25
×
T
C
4.0
58.5
37.7
ns
167
RAS assertion to CAS assertion
t
RCD
1.5
×
T
C
±
2
73.0
77.0
48.0
52.0
ns
168
RAS assertion to column address valid
t
RAD
1.25
×
T
C
±
2
60.5
64.5
39.7
43.7
ns
169
CAS deassertion to RAS assertion
t
CRP
2.25
×
T
C
4.0
108.5
71.0
ns
170
CAS deassertion pulse width
t
CP
1.75
×
T
C
4.0
83.5
54.3
ns
171
Row address valid to RAS assertion
t
ASR
1.75
×
T
C
4.0
83.5
54.3
ns
172
RAS assertion to row address not valid
t
RAH
1.25
×
T
C
4.0
58.5
37.7
ns
173
Column address valid to CAS
assertion
t
ASC
0.25
×
T
C
4.0
8.5
4.3
ns
174
CAS assertion to column address not
valid
t
CAH
1.75
×
T
C
4.0
83.5
54.3
ns
175
RAS assertion to column address not
valid
t
AR
3.25
×
T
C
4.0
158.5
104.3
ns
176
Column address valid to RAS
deassertion
t
RAL
2
×
T
C
4.0
96.0
62.7
ns
177
WR deassertion to CAS assertion
t
RCS
1.5
×
T
C
3.8
71.2
46.2
ns
178
CAS deassertion to WR assertion
t
RCH
0.75
×
T
C
3.7
33.8
21.3
ns
179
RAS deassertion to WR assertion
t
RRH
0.25
×
T
C
3.7
8.8
4.6
ns
180
CAS assertion to WR deassertion
t
WCH
1.5
×
T
C
4.2
70.8
45.8
ns
181
RAS assertion to WR deassertion
t
WCR
3
×
T
C
4.2
145.8
95.8
ns
182
WR assertion pulse width
t
WP
4.5
×
T
C
4.5
220.5
145.5
ns
183
WR assertion to RAS deassertion
t
RWL
4.75
×
T
C
4.3
233.2
154.0
ns
184
WR assertion to CAS deassertion
t
CWL
4.25
×
T
C
4.3
208.2
137.4
ns
185
Data valid to CAS assertion (write)
t
DS
2.25
×
T
C
4.0
108.5
71.0
ns
186
CAS assertion to data not valid (write)
t
DH
1.75
×
T
C
4.0
83.5
54.3
ns
187
RAS assertion to data not valid (write)
t
DHR
3.25
×
T
C
4.0
158.5
104.3
ns
Table 3-13 DRAM Out-of-Page and Refresh Timings, Four Wait States
1, 2
(continued)
No.
Characteristics
3
Symbol
Expression
20 MHz
4
30 MHz
4
Unit
Min
Max
Min
Max
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DSP56366UM 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:24-Bit Audio Digital Signal Processor
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