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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320LC2401AVFS датащи(PDF) 101 Page - Texas Instruments |
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TMS320LC2401AVFS датащи(HTML) 101 Page - Texas Instruments |
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101 / 134 page  TMS320LF2407A,TMS320LF2406A, TMS320LF2403A, TMS320LF2402A TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A DSP CONTROLLERS SPRS145K − JULY 2000 − REVISED AUGUST 2005 101 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 external memory interface write timing switching characteristics over recommended operating conditions for an external memory interface write at 40 MHz [H = 0.5tc(CO)] (see Figure 46) PARAMETER MIN MAX UNIT td(COH-CNTL) Delay time, CLKOUT high to control valid 4 ns td(COH-CNTH) Delay time, CLKOUT high to control inactive 5 ns td(COH-A)W Delay time, CLKOUT high to address valid 10 ns td(COH-RWL) Delay time, CLKOUT high to R/W low 6 ns td(COH-RWH) Delay time, CLKOUT high to R/W high 6 ns td(COL-WL) Delay time, CLKOUT low to WE strobe active low 6 ns td(COL-WH) Delay time, CLKOUT low to WE strobe inactive high 6 ns ten(D)COL Enable time, data bus driven from CLKOUT low −3 ns td(COL-SL) Delay time, CLKOUT low to STRB active low 6 ns td(COL-SH) Delay time, CLKOUT low to STRB inactive high 6 ns td(WRN) Delay time, W/R going low to R/W rising 5 ns th(A)COLW Hold time, address valid after CLKOUT low −5 ns tsu(A)W Setup time, address valid before WE strobe active low H−9 ns tsu(D)W Setup time, write data before WE strobe inactive high 2H−17 ns th(D)W Hold time, write data after WE strobe inactive high 2 ns tdis(W-D) Disable time, data bus high impedance from WE high 5 ns |
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