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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LC823450 датащи(PDF) 71 Page - ON Semiconductor |
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LC823450 датащи(HTML) 71 Page - ON Semiconductor |
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71 / 112 page  LC823450 www.onsemi.com 71 • [applied pin] ♦ Clock: SCK1 ♦ Output: SDI1, SDO1, SWP1, SHOLD1, QSCS output ♦ Input: SDI1, SDO1, SWP1, SHOLD1 input Table 34. I/O voltage (VddQSPI) 2.7 V to 3.6 V 1.7 V to 1.95 V Unit External Load 10 pF to 30 pF 10 pF to 30 pF I/O Drivability 8 mA 6 mA 10 mA Item Symbol Min Max Min Max Min Max SFIFSEL2 = 0 (Note 53) Clock Frequency fclk − 41 − 40 − 40 MHz Input Set−up Time tISU 3.4 − 4.3 − 4.5 − ns Input Hold−up Time tIH 7.5 − 7.1 − 6.9 − ns Output Delay Time tODLY 0.3 5.1 1.2 5.2 0.6 5.4 ns SFIFSEL2 = 1 (Note 53) Clock frequency fclk − 42 − 40 − 40 MHz Input set−up time tISU 4.5 − 5.4 − 5.3 − ns Input hold−up time tIH 3.3 − 2.9 − 3.7 − ns Output Delay time tODLY 0.3 5.1 1.2 5.2 0.6 5.4 ns 53. SFIFSEL2 is the value of S−Flash I/F select register (SFIFSEL) bit2 SFIFSEL2 described in the SystemController ProgrammersModel_SystemController. XMC External Memory Bus Timing • [condition] VDD1 = 0.93 to 1.27 V, VDD2 = 2.7 V to 3.6 V External load 15 pF to 40 pF External Memory Bus Read Figure 17. AC Characteristics − External Memory Bus Read Timing PHI (BASIC clock) NRD NCS0, NCS1, NHBNWRH, NLBEXA0 EXD[15:0] EXA[20:1] TEXACC1 TEXACC2 TEXRDS TEXRDH TEXACC3 TEXCYC TEXRSW |
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