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SMC032AF 数据表(PDF) 27 Page - Numonyx B.V |
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SMC032AF 数据表(HTML) 27 Page - Numonyx B.V |
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27 / 82 page ![]() SMCxxxAF Command interface 27/82 Figure 7. I/O Write timing diagram 1. DIN signifies data provided by the system to the CompactFlash memory card or CF+ card. AI10085b Address Inputs D0 to D15 (DIN) VALID –REG –CE2/–CE1 –IOWR tsuCE(IOWR) tsuA(IOWR) DIN VALID –IOIS16 tsuREG(IOWR) thA(IOWR) thREG(IOWR) thCE(IOWR) tsu(IOWR) tdrIOIS16(ADR) tdfIOIS16(ADR) th(IOWR) tw(IOWR) Table 21. I/O Write timing(1) Cycle time mode 250 ns Symbol IEEE symbol Parameter Min Max Unit tsu(IOWR) tQVIWH Data Setup before IOWR 60 ns th(IOWR) tIWHQX Data Hold following IOWR 30 ns tw(IOWR) tIWLIWH IOWR Width time 165 ns tsuA(IOWR) tAVIWL Address Setup before IOWR 70 ns thA(IOWR) tIWHAX Address Hold following IOWR 20 ns tsuCE(IOWR) tELIWL CE Setup before IOWR 5 ns thCE(IOWR) tIWHEH CE Hold following IOWR 20 ns tsuREG(IOWR) tRGLIWL REG Setup before IOWR 5 ns thREG(IOWR) tIWHRGH REG Hold following IOWR 0 ns tdfIOIS16(A) tAVISL IOIS16 Delay Falling from Address 35 ns tdrIOIS16(A) tAVISH IOIS16 Delay Rising from Address 35 ns 1. ST CF does not assert the WAIT signal. |
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