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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS570LS1114 датащи(PDF) 86 Page - Texas Instruments |
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TMS570LS1114 датащи(HTML) 86 Page - Texas Instruments |
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86 / 169 page  TMS570LS1114 SPNS188B – OCTOBER 2012 – REVISED FEBRUARY 2015 www.ti.com Table 6-28. EMIF Asynchronous Memory Switching Characteristics(1)(2)(3) (continued) NO PARAMETER Value UNIT MIN NOM MAX 16 tsu(EMCEL-EMWEL) Output setup time, (WS)*E -3 (WS)*E (WS)*E + 3 ns EMIF_nCS[4:2] low to EMIF_nWE low (SS = 0) Output setup time, -3 0 +3 ns EMIF_nCS[4:2] low to EMIF_nWE low (SS = 1) 17 th(EMWEH-EMCEH) Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns high to EMIF_nCS[4:2] high (SS = 0) Output hold time, EMIF_nWE -3 0 +3 ns high to EMIF_CS[4:2] high (SS = 1) 18 tsu(EMDQMV-EMWEL) Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns EMIF_BA[1:0] valid to EMIF_nWE low 19 th(EMWEH-EMDQMIV) Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns high to EMIF_BA[1:0] invalid 20 tsu(EMBAV-EMWEL) Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns EMIF_BA[1:0] valid to EMIF_nWE low 21 th(EMWEH-EMBAIV) Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns high to EMIF_BA[1:0] invalid 22 tsu(EMAV-EMWEL) Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns EMIF_ADDR[12:0] valid to EMIF_nWE low 23 th(EMWEH-EMAIV) Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns high to EMIF_ADDR[12:0] invalid 24 tw(EMWEL) EMIF_nWE active low width (WST)*E-3 (WST)*E (WST)*E+3 ns (EW = 0) EMIF_nWE active low width (WST+(EWC*1 (WST+(EWC*1 (WST+(EWC*1 ns (EW = 1) 6)) *E-3 6))*E 6)) *E+3 25 td(EMWAITH-EMWEH) Delay time from EMIF_nWAIT 3E+11 4E 4E+24 ns deasserted to EMIF_nWE high 26 tsu(EMDV-EMWEL) Output setup time, (WS)*E-3 (WS)*E (WS)*E+3 ns EMIF_DATA[15:0] valid to EMIF_nWE low 27 th(EMWEH-EMDIV) Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns high to EMIF_DATA[15:0] invalid 31 tsu(EMDQMV-EMWEL) Output setup time, (WH)*E-3 (WH)*E (WH)*E+3 ns EMIF_nDQM[1:0] valid to EMIF_nWE low 32 th(EMWEH-EMDQMIV) Output hold time, EMIF_nWE (WH)*E-3 (WH)*E (WH)*E+3 ns high to EMIF_nDQM[1:0] invalid 86 System Information and Electrical Specifications Copyright © 2012–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TMS570LS1114 |
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