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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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DRA821U2...ALM Folha de dados(PDF) 182 Page - Texas Instruments |
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DRA821U2...ALM Folha de dados(HTML) 182 Page - Texas Instruments |
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182 / 252 page  Table 7-40. HyperBus Timing Conditions (continued) PARAMETER DESCRIPTION MIN MAX UNIT tSR Input slew rate 2 5 V/ns Output Conditions CLOAD Output load capacitance 1.5 10 pF 7.9.5.10.1 Timing Requirements for HyperBus Initialization NO. PARAMETER DESCRIPTION MIN MAX UNIT D1 tw(RESETn) RESETn Pulse Width 200 ns D2 tw(csL) Chip Select Pulse Width 1000 ns D3 td(RESETnH-csL) Delay time, RESETn inactive to CSn active 200.34 ns D4 td(csL-RWDSL) Delay time, CSn active to RWDS falling 115 ns 7.9.5.10.2 HyperBus 166 MHz Switching Characteristics NO. PARAMETER DESCRIPTION MIN MAX UNIT D5 tskn(rwdsX-dV) Input skew, RWDS transitioning to D0:D7 valid -0.46 0.46 ns D6 tc(clk/clkn) CLK period, CLK/CLKn 6 ns D7 tw(clk/clkn) Pulse width, CLK/CLKn 2.7 ns D8 tw(csIV) Pulse width, CS0 invalid between operations 6 ns D9 td(clkH-csL) Delay time, CS0 active to CLK rising/ CLKn falling -3.34 ns D10 td(clkL[LE]-csH) Delay time, last falling CLK/ rising CLKn edge to CS0 inactive 0.41 ns D11 td(clkX-rwdsV) Delay time, CLK transition to RWDS valid 1.01 2.08 ns D12 td(clkX-d[0:7]V) Delay time, CLK transitioning to D0:D7 valid 0.84 2.17 ns 7.9.5.10.3 HyperBus 100 MHz Switching Characteristics NO. PARAMETER DESCRIPTION MIN MAX UNIT LFD5 tskn(rwdsX-dV) Input skew, RWDS transitioning to D0:D7 valid -0.81 0.81 ns LFD6 tc(clk) CLK period, CLK 10 ns LFD7 tw(clk) Pulse width, CLK 4.75 ns LFD8 tw(csIV) Pulse width, CS0 invalid between operations 10 ns LFD9 td(clkH-csL) Delay time, CS0 active to CLK rising -3.51 ns LFD10 td(clkL[LE]-csH) Delay time, last falling CLK edge to CS0 inactive 0.51 ns LFD11 td(clkX-rwdsV) Delay time, CLK transition to RWDS valid 1.51 3.49 ns LFD12 td(clkX-d[0:7]V) Delay time, CLK transitioning to D0:D7 valid 1.34 3.66 ns DRA821U-Q1 SPRSP57D – APRIL 2020 – REVISED DECEMBER 2022 www.ti.com 182 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: DRA821U-Q1 |
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