參數(shù)資料
型號: DSPB56362AG120
廠商: Freescale Semiconductor
文件頁數(shù): 111/152頁
文件大?。?/td> 0K
描述: IC DSP 24BIT AUD 120MHZ 144-LQFP
標(biāo)準(zhǔn)包裝: 60
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機(jī)接口,I²C,SAI,SPI
時鐘速率: 120MHz
非易失內(nèi)存: ROM(126 kB)
芯片上RAM: 42kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 3.30V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
External Memory Expansion Port (Port A)
DSP56362 Technical Data, Rev. 4
Freescale Semiconductor
3-35
186
CAS assertion to data not valid (write)
tDH
6.25
× T
C 4.0
58.5
48.1
ns
187
RAS assertion to data not valid (write)
tDHR
9.75
× T
C 4.0
93.5
77.2
ns
188
WR assertion to CAS assertion
tWCS
9.5
× T
C 4.3
90.7
74.9
ns
189
CAS assertion to RAS assertion (refresh)
tCSR
1.5
× T
C 4.0
11.0
8.5
ns
190
RAS deassertion to CAS assertion (refresh)
tRPC
4.75
× T
C 4.0
43.5
35.6
ns
191
RD assertion to RAS deassertion
tROH
15.5
× T
C 4.0
151.0
125.2
ns
192
RD assertion to data valid
tGA
14
× T
C 5.7
134.3
111.0
ns
193
RD deassertion to data not valid3
tGZ
0.0
0.0
ns
194
WR assertion to data active
0.75
× T
C 0.3
7.2
5.9
ns
195
WR deassertion to data high impedance
0.25
× T
C
—2.5
—2.1
ns
1 The number of wait states for out-of-page access is specified in the DCR.
2 The refresh period is specified in the DCR.
3 RD deassertion will always occur after CAS deassertion; therefore, the restricted timing is t
OFF and not tGZ.
4 Either t
RCH or tRRH must be satisfied for read cycles.
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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