参数资料
型号: DSPB56364AF100
厂商: Freescale Semiconductor
文件页数: 92/148页
文件大小: 0K
描述: IC DSP 24BIT AUD 100MHZ 100-LQFP
标准包装: 90
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 100MHz
非易失内存: ROM(24 kB)
芯片上RAM: 11.25kB
电压 - 输入/输出: 3.30V
电压 - 核心: 3.30V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
External Memory Expansion Port (Port A)
DSP56364 Technical Data, Rev. 4.1
3-32
Freescale Semiconductor
164
CAS assertion to RAS deassertion
tRSH
5.25
× T
C 4.0
48.5
ns
165
RAS assertion to CAS deassertion
tCSH
6.25
× T
C 4.0
58.5
ns
166
CAS assertion pulse width
tCAS
3.75
× T
C 4.0
33.5
ns
167
RAS assertion to CAS assertion
tRCD
2.5
× T
C ± 4.0
21.0
29.0
ns
168
RAS assertion to column address valid
tRAD
1.75
× T
C ± 4.0
13.5
21.5
ns
169
CAS deassertion to RAS assertion
tCRP
5.75
× T
C 4.0
53.5
ns
170
CAS deassertion pulse width
tCP
4.25
× T
C 4.0
38.5
ns
171
Row address valid to RAS assertion
tASR
4.25
× T
C 4.0
38.5
ns
172
RAS assertion to row address not valid
tRAH
1.75
× T
C 4.0
13.5
ns
173
Column address valid to CAS assertion
tASC
0.75
× T
C 4.0
3.5
ns
174
CAS assertion to column address not valid
tCAH
5.25
× T
C 4.0
48.5
ns
175
RAS assertion to column address not valid
tAR
7.75
× T
C 4.0
73.5
ns
176
Column address valid to RAS deassertion
tRAL
6
× T
C 4.0
56.0
ns
177
WR deassertion to CAS assertion
tRCS
3.0
× T
C 4.0
26.0
ns
178
CAS deassertion to WR5 assertion
tRCH
1.75
× T
C 4.0
13.5
ns
179
RAS deassertion to WR5 assertion
tRRH
0.25
× T
C 2.0
0.5
ns
180
CAS assertion to WR deassertion
tWCH
5
× T
C 4.2
45.8
ns
181
RAS assertion to WR deassertion
tWCR
7.5
× T
C 4.2
70.8
ns
182
WR assertion pulse width
tWP
11.5
× T
C 4.5
110.5
ns
183
WR assertion to RAS deassertion
tRWL
11.75
× T
C 4.3
113.2
ns
184
WR assertion to CAS deassertion
tCWL
10.25
× T
C 4.3
103.2
ns
185
Data valid to CAS assertion (write)
tDS
5.75
× T
C 4.0
53.5
ns
186
CAS assertion to data not valid (write)
tDH
5.25
× T
C 4.0
48.5
ns
187
RAS assertion to data not valid (write)
tDHR
7.75
× T
C 4.0
73.5
ns
188
WR assertion to CAS assertion
tWCS
6.5
× T
C 4.3
60.7
ns
189
CAS assertion to RAS assertion (refresh)
tCSR
1.5
× T
C 4.0
11.0
ns
190
RAS deassertion to CAS assertion (refresh)
tRPC
2.75
× T
C 4.0
23.5
ns
Table 3-15 DRAM Out-of-Page and Refresh Timings, Eleven Wait States1, 2 (continued)
No.
Characteristics3
Symbol
Expression4
Min
Max
Unit
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