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AM4376 Datasheet(PDF) 247 Page - Texas Instruments |
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AM4376 Datasheet(HTML) 247 Page - Texas Instruments |
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247 / 261 page ![]() 10 MMC[x]_CLK (Output) MMC[x]_CMD (Output) MMC[x]_DAT[7:0] (Outputs) 11 RMII[x]_REFCLK (Input) 5 7 6 8 9 AM4376, AM4377, AM4378, AM4379 www.ti.com SPRS851B – JUNE 2014 – REVISED APRIL 2015 Table 5-128. Switching Characteristics for MMC[x]_CLK (see Figure 5-141) STANDARD MODE HIGH-SPEED MODE NO. PARAMETER UNIT MIN TYP MAX MIN TYP MAX fop(CLK) Operating frequency, MMC_CLK 24 48 MHz tcop(CLK) Operating period: MMC_CLK 41.7 20.8 ns 5 fid(CLK) Identification mode frequency, MMC_CLK 400 400 kHz tcid(CLK) Identification mode period: MMC_CLK 2500 2500 ns 6 tw(CLKL) Pulse duration, MMC_CLK low (0.5*P) - tf(CLK) (1) (0.5*P) - tf(CLK) (1) ns 7 tw(CLKH) Pulse duration, MMC_CLK high (0.5*P) - tr(CLK) (1) (0.5*P) - tr(CLK) (1) ns 8 tr(CLK) Rise time, All Signals (10% to 90%) 2.2 2.2 ns 9 tf(CLK) Fall time, All Signals (10% to 90%) 2.2 2.2 ns (1) P = MMC_CLK period. Figure 5-141. MMC[x]_CLK Timing Table 5-129. Switching Characteristics for MMC[x]_CMD and MMC[x]_DAT[7:0]—HSPE=0 (see Figure 5-142) OPP50/OPP100 NO. PARAMETER 1.8 V 3.3 V UNIT MIN TYP MAX MIN TYP MAX Delay time, MMC_CLK falling clock 10 td(CLKL-CMD) -4 14 -4 17.5 ns edge to MMC_CMD transition Delay time, MMC_CLK falling clock 11 td(CLKL-DAT) -4 14 -4 17.5 ns edge to MMC_DATx transition Figure 5-142. MMC[x]_CMD and MMC[x]_DAT[7:0] Output Timing—HSPE=0 Copyright © 2014–2015, Texas Instruments Incorporated Specifications 247 Submit Documentation Feedback Product Folder Links: AM4376 AM4377 AM4378 AM4379 |
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