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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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TMS320F28375DPZP bảng dữ liệu(PDF) 174 Page - Texas Instruments |
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TMS320F28375DPZP bảng dữ liệu(HTML) 174 Page - Texas Instruments |
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174 / 226 page  8.12.7.1 uPP Electrical Data and Timing Section 8.12.7.1.1 shows the uPP timing requirements. Section 8.12.7.1.2 shows the uPP switching characteristics. Figure 8-79 through Figure 8-82 show the uPP timing diagrams. 8.12.7.1.1 uPP Timing Requirements NO. MIN MAX UNIT 1 tc(CLK) Cycle time, CLK SDR mode 20 ns DDR mode 40 2 tw(CLKH) Pulse width, CLK high SDR mode 8 ns DDR mode 18 3 tw(CLKL) Pulse width, CLK low SDR mode 8 ns DDR mode 18 4 tsu(STV-CLKH) Setup time, START valid before CLK high 4 ns 5 th(CLKH-STV) Hold time, START valid after CLK high 0.8 ns 6 tsu(ENV-CLKH) Setup time, ENABLE valid before CLK high 4 ns 7 th(CLKH-ENV) Hold time, ENABLE valid after CLK high 0.8 ns 8 tsu(DV-CLKH) Setup time, DATA valid before CLK high 4 ns 9 th(CLKH-DV) Hold time, DATA valid after CLK high 0.8 ns 10 tsu(DV-CLKL) Setup time, DATA valid before CLK low 4 ns 11 th(CLKL-DV) Hold time, DATA valid after CLK low 0.8 ns 19 tsu(WTV-CLKH) Setup time, WAIT valid before CLK high SDR mode 20 ns 20 th(CLKH-WTV) Hold time, WAIT valid after CLK high SDR mode 0 ns 21 tsu(WTV-CLKL) Setup time, WAIT valid before CLK low DDR mode 20 ns 22 th(CLKL-WTV) Hold time, WAIT valid after CLK low DDR mode 0 ns 8.12.7.1.2 uPP Switching Characteristics over recommended operating conditions (unless otherwise noted) NO. PARAMETER MIN MAX UNIT 12 tc(CLK) Cycle time, CLK SDR mode 20 ns DDR mode 40 13 tw(CLKH) Pulse width, CLK high SDR mode 8 ns DDR mode 18 14 tw(CLKL) Pulse width, CLK low SDR mode 8 ns DDR mode 18 15 td(CLKH-STV) Delay time, START valid after CLK high 3 12 ns 16 td(CLKH-ENV) Delay time, ENABLE valid after CLK high 3 12 ns 17 td(CLKH-DV) Delay time, DATA valid after CLK high 3 12 ns 18 td(CLKL-DV) Delay time, DATA valid after CLK low 3 12 ns TMS320F28379D, TMS320F28379D-Q1, TMS320F28378D, TMS320F28377D TMS320F28377D-Q1, TMS320F28376D, TMS320F28375D, TMS320F28374D SPRS880O – DECEMBER 2013 – REVISED FEBRUARY 2021 www.ti.com 174 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: TMS320F28379D TMS320F28379D-Q1 TMS320F28378D TMS320F28377D TMS320F28377D-Q1 TMS320F28376D TMS320F28375D TMS320F28374D |
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