参数资料
型号: DSPB56362AG120
厂商: Freescale Semiconductor
文件页数: 110/152页
文件大小: 0K
描述: IC DSP 24BIT AUD 120MHZ 144-LQFP
标准包装: 60
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 120MHz
非易失内存: ROM(126 kB)
芯片上RAM: 42kB
电压 - 输入/输出: 3.30V
电压 - 核心: 3.30V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
External Memory Expansion Port (Port A)
DSP56362 Technical Data, Rev. 4
3-34
Freescale Semiconductor
161
CAS deassertion to data not valid (read hold
time)
tOFF
0.0
0.0
ns
162
RAS deassertion to RAS assertion
tRP
6.25
× T
C 4.0
58.5
48.1
ns
163
RAS assertion pulse width
tRAS
9.75
× T
C 4.0
93.5
77.2
ns
164
CAS assertion to RAS deassertion
tRSH
6.25
× T
C 4.0
58.5
48.1
ns
165
RAS assertion to CAS deassertion
tCSH
8.25
× T
C 4.0
78.5
64.7
ns
166
CAS assertion pulse width
tCAS
4.75
× T
C 4.0
43.5
35.6
ns
167
RAS assertion to CAS assertion
tRCD
3.5
× T
C ± 2
33.0
37.0
27.2
31.2
ns
168
RAS assertion to column address valid
tRAD
2.75
× T
C ± 2
25.5
29.5
20.9
24.9
ns
169
CAS deassertion to RAS assertion
tCRP
7.75
× T
C 4.0
73.5
60.6
ns
170
CAS deassertion pulse width
tCP
6.25
× T
C 4.0
58.5
48.1
ns
171
Row address valid to RAS assertion
tASR
6.25
× T
C 4.0
58.5
48.1
ns
172
RAS assertion to row address not valid
tRAH
2.75
× T
C 4.0
23.5
18.9
ns
173
Column address valid to CAS assertion
tASC
0.75
× T
C 4.0
3.5
2.2
ns
174
CAS assertion to column address not valid
tCAH
6.25
× T
C 4.0
58.5
48.1
ns
175
RAS assertion to column address not valid
tAR
9.75
× T
C 4.0
93.5
77.2
ns
176
Column address valid to RAS deassertion
tRAL
7
× T
C 4.0
66.0
54.3
ns
177
WR deassertion to CAS assertion
tRCS
5
× T
C 3.8
46.2
37.9
ns
178
CAS deassertion to WR4 assertion
tRCH
1.75
× T
C 3.7
13.8
10.9
ns
179
RAS deassertion to WR4 assertion
tRRH
0.25
× T
C 2.0
0.5
0.1
ns
180
CAS assertion to WR deassertion
tWCH
6
× T
C 4.2
55.8
45.8
ns
181
RAS assertion to WR deassertion
tWCR
9.5
× T
C 4.2
90.8
75.0
ns
182
WR assertion pulse width
tWP
15.5
× T
C 4.5
150.5
124.7
ns
183
WR assertion to RAS deassertion
tRWL
15.75
× T
C 4.3
153.2
126.9
ns
184
WR assertion to CAS deassertion
tCWL
14.25
× T
C 4.3
138.2
114.4
ns
185
Data valid to CAS assertion (write)
tDS
8.75
× T
C 4.0
83.5
68.9
ns
Table 3-16 DRAM Out-of-Page and Refresh Timings, Fifteen Wait States 100 and 120MHz1, 2 (continued)
No.
Characteristics3
Symbol
Expression
100 MHz
120 MHz
Unit
Min
Max
Min
Max
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