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STM32F446VC 데이터시트(PDF) 171 Page - STMicroelectronics

부품명 STM32F446VC
상세설명  ARM® Cortex®-M4 32b MCUFPU, 225DMIPS, up to 512kB Flash/1284KB RAM, USB OTG HS/FS, 17 TIMs, 3 ADCs, 20 comm. interfaces
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F446VC 데이터시트(HTML) 171 Page - STMicroelectronics

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STM32F446xC/E
Electrical characteristics
175
Figure 63. SDRAM write access waveforms
Table 102. SDRAM write timings(1)(2)
1. CL = 10 pF on data and address line. CL=15 pF on FMC_SDCLK.
2. Guaranteed based on test during characterization.
Symbol
Parameter
Min
Max
Unit
F(SDCLK)
Frequency of operation
-
90
MHz
tw(SDCLK)
FMC_SDCLK period
2THCLK - 0.5
2THCLK + 0.5
ns
td(SDCLKL _Data)
Data output valid time
-
2
th(SDCLKL _Data)
Data output hold time
0.5
-
td(SDCLK _Add)
Address valid time
-
3
td(SDCLKL _SDNWE)) SDNWE valid time
-
1.5
th(SDCLKL_SDNWE)) SDNWE hold time
0
-
td(SDCLKL_SDNE))
Chip select valid time
-
1.5
th(SDCLKL_SDNE)
Chip select hold time
0
-
td(SDCLKL_SDNRAS) SDNRAS valie time
-
1
th(SDCLKL_SDNRAS) SDNRAS hold time
0
-
td(SDCLKL_SDNCAS) SDNCAS valid time
-
1
th(SDCLKL_SDNCAS) SDNCAS hold time
0
-



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