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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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AM1705DPTP3 bảng dữ liệu(PDF) 64 Page - Texas Instruments |
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AM1705DPTP3 bảng dữ liệu(HTML) 64 Page - Texas Instruments |
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64 / 165 page  AM1705 SPRS657E – FEBRUARY 2010 – REVISED JUNE 2014 www.ti.com Table 6-19. EMIFA Asynchronous Memory Switching Characteristics(1) (2) (3) (continued) No. PARAMETER MIN NOM MAX UNIT td(EMWAITH- Delay time from EMA_WAIT deasserted to 11 3E-3 4E 4E+3 ns EMOEH) EMA_OE high WRITES (WS+WST+WH)* (WS+WST+WH)* EMIF write cycle time (EW = 0) (WS+WST+WH)*E ns E-3 E+3 15 tc(EMWCYCLE) (WS+WST+WH+E (WS+WST+WH+EW (WS+WST+WH+ EMIF write cycle time (EW = 1) ns WC)*E - 3 C)*E EWC)*E + 3 Output setup time, EMA_CE[5:2] low to (WS)*E - 3 (WS)*E (WS)*E + 3 ns EMA_WE low (SS = 0) 16 tsu(EMCEL-EMWEL) Output setup time, EMA_CE[5:2] low to -3 0 +3 ns EMA_WE low (SS = 1) Output hold time, EMA_WE high to (WH)*E-3 (WH)*E (WH)*E+3 ns EMA_CE[5:2] high (SS = 0) 17 th(EMWEH-EMCEH) Output hold time, EMA_WE high to -3 0 +3 ns EMA_CE[5:2] high (SS = 1) tsu(EMDQMV- Output setup time, EMA_BA[1:0] valid to 18 (WS)*E-3 (WS)*E (WS)*E+3 ns EMWEL) EMA_WE low th(EMWEH- Output hold time, EMA_WE high to 19 (WH)*E-3 (WH)*E (WH)*E+3 ns EMDQMIV) EMA_BA[1:0] invalid tsu(EMBAV- Output setup time, EMA_BA[1:0] valid to 20 (WS)*E-3 (WS)*E (WS)*E+3 ns EMWEL) EMA_WE low Output hold time, EMA_WE high to 21 th(EMWEH-EMBAIV) (WH)*E-3 (WH)*E (WH)*E+3 ns EMA_BA[1:0] invalid Output setup time, EMA_A[13:0] valid to 22 tsu(EMAV-EMWEL) (WS)*E-3 (WS)*E (WS)*E+3 ns EMA_WE low Output hold time, EMA_WE high to 23 th(EMWEH-EMAIV) (WH)*E-3 (WH)*E (WH)*E+3 ns EMA_A[13:0] invalid EMA_WE active low width (EW = 0) (WST)*E-3 (WST)*E (WST)*E+3 ns 24 tw(EMWEL) (WST+EWC)*E+ EMA_WE active low width (EW = 1) (WST+EWC)*E-3 (WST+EWC)*E ns 3 td(EMWAITH- Delay time from EMA_WAIT deasserted to 25 3E-3 4E 4E+3 ns EMWEH) EMA_WE high Output setup time, EMA_D[15:0] valid to 26 tsu(EMDV-EMWEL) (WS)*E-3 (WS)*E (WS)*E+3 ns EMA_WE low Output hold time, EMA_WE high to 27 th(EMWEH-EMDIV) (WH)*E-3 (WH)*E (WH)*E+3 ns EMA_D[15:0] invalid 64 Peripheral Information and Electrical Specifications Copyright © 2010–2014, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: AM1705 |
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