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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SST49LF040 Fiches technique(PDF) 25 Page - Silicon Storage Technology, Inc |
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SST49LF040 Fiches technique(HTML) 25 Page - Silicon Storage Technology, Inc |
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25 / 48 page  Advance Information 4 Mbit LPC Flash SST49LF040 25 ©2001 Silicon Storage Technology, Inc. S71213-00-000 11/01 562 FIGURE 13: DATA# POLLING TIMING DIAGRAM (LPC MODE) 562 ILL F12.1 0000b 011Xb A[11:8] A[7:4] A[3:0] Dn[7:4] A[15:12] D[3:0] Tri-State TAR Load Address in 8 Clocks Write the last command (Program or Erase) to the device in LPC mode. Address1 1 Clock 1 Clock 1st Start Memory Write Cycle TAR Sync Data Start next Command 1 Clock 1 Clock 2 Clocks Load Data in 2 Clocks 1111b 0000b 0000b LAD[3:0] Read the DQ7 to see if internal write complete or not. LCLK RST# = VIH LFRAME# LAD[3:0] 0000b 010Xb A[11:8] A[7:4] A[3:0] D7,xxx A[15:12] XXXXb Tri-State TAR Load Address in 8 Clocks When internal write complete, the DQ7 will equal to D7. Address1 1 Clock 1 Clock Start Memory Read Cycle TAR Sync Data Next start 1 Clock Data out 2 Clocks 1 Clock 2 Clocks 1111b 0000b 0000b RST# = VIH LFRAME# LCLK 0000b 010Xb A[11:8] A[7:4] A[3:0] D7#,xxx A[15:12] XXXXb Tri-State TAR Load Address in 8 Clocks Address1 1 Clock 1 Clock Start Memory Read Cycle TAR Sync Data Next start 1 Clock Data out 2 Clocks 1 Clock 2 Clocks 1111b 0000b 0000b CE# = VIL CE# = VIL A[23:20] A[19:16] A[23:20] A[19:16] A[23:20] A[19:16] Note: YYYY must be within memory address range specified in Figures 4 and 5. RST# LFRAME# LAD[3:0] LCLK CE# A[31:28] A[27:24] A[31:28] A[27:24] A[31:28] A[27:24] |
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